Keyway standards metric. Gear G is positively located on shaft S by Woodruff key N . Keyway standards metric

 
 Gear G is positively located on shaft S by Woodruff key N Keyway standards metric  ANSI Single Pitch; ANSI Double Pitch (Conveyor) Stainless Steel; Agricultural;The more exact fit of the key and keyway also reduces play, and stress concentrations in, and improves the

Standard Metric Keys & Keyways for Metric Bores with One Key Couplings. 19-1997; Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque; Parallel Key and Taper Keys. T and HM/HME: Inch series: N and AN: Dimension standards: ISO 2982-2: ANSI/ABMA Std. . Keys and keyways . A sprocket with an internal parallel keyway. pdf Key sizeKeyway metric key iso dimensions standard keyways r773 keys pdf bores shaft hub depth diameter standards engineering table edge width. DIN 960 is the specification for partially threaded fine thread metric hex capKey (engineering) In mechanical engineering, a key is a machine element used to connect a rotating machine element to a shaft. 50 : BR-10 Details:Fuller Fasteners, Distributor of Metric and Imperial Fasteners, stainless steel, brass, nylon, hex nuts, bolts, nuts, screws, taps, dies, tools and kn95 masks. 5000. As you may know, people have search hundreds times for their chosen books like this Ansi Standard Keyway Sizes Pdf, but end up in malicious downloads. 5 mm. Because this key stock is slightly larger than standard key stock, keys will fit tightly in worn keyways. Dimension standards: ISO 2982-2:. In Australia, backyard half-courts generally start in size from about 7metres in height to fit the "free-throw line" (or 9m to fit the "three-point line") and 4 or 5 metres in width and upwards. Although similar in principle to BS 46-1, for inch. Round keyed shafting: 1/2 dia. MISUMI. Keystock is available in both inch and metric sizes. 5020 2. Note that this standard is a pure metric standard, and not a metric conversion of ANSI/AGMA 9002-C14 (Inch Series). When installed, these keys fill oval keyways completely, reducing stress on the key and shaft. Use them to round sharp corners on the edge of your workpiece. Bushings rest inside the arbor hole of your workpiece and act as guides to ensure rigid and accurate keyway cutting. Description. Precision Double U-Joints. Shape and dimensions of parallel key and keyway Shape and dimensions of taper key, headed taper key and keyway Excerpt from JIS B 1301:1996 S1 = b's tolerance× 1 2 S2 = h's tolerance× 1 2 h2 = h, f = h, e ≒ b S1 = b's tolerance× 1 2 S2 = h's tolerance× 1 2 Key body Cross section of keyway Key bodyHollow shaft with key - standard design Design and Operating Data 116 Gear Units – 2016 7. Non standard bores and over the keyways. tolerances and deviations. ANSI B17. The taper ratio of standard pin taper is 1:50 in metric and 1:48 in British. High Speed Steel, Cobalt, Cutting Tools, Broach, Steel Cutting Broach. At Eagle Tool, we stock a full line of both standard and metric keyways, held in an oversize condition, so that we can alter to suit your immediate needs. 3mm 5mm 5mm 5mm 5mm 6mm 6mm 6mm 8mm 8mm 22mm 24mm 16mm 17mm 19mm 20mm 25mm Keyway Width (w) 10mm 3mm 3mm 1. 6 - M 18. Bushings for smaller arbor holes are collared for easier handling. Insert JS9 Tolerance. 03 Bore Dia. All internal calculations are done in metric millimeters to a precision of up to half a micron (0. 628 2. Ref Standard . Metric Standard Parallel Keyway and Key Sizes Shaft Diameter (mm). Has anyone got a link to one ? Thanks Roger . ). Finished Striaght bores for standard AGMA Class 1 Clearance fit. 3mm 2. 2-1967 (R1998) - Engineers Edge. Pitch Diameter of Threads Calculator and Formula; Retaining Snap Ring Stress and Failure Formulas and CalculatorYour Special Are Our Standards. Milling a keyway in a steel shaftKeyway shaft coupling hole service couplings modification additional motion control tapered parallel Shaft keyway keyedKeyway metric key iso dimensions standard keyways r773 pdf keys shaft bores hub depth diameter standards engineering width table angelica. Hardware ANSI Menu. 8mm 3. 8 0. AGMA ASA Keyway and Bores Design Data including dimension and tolerances. KEYWAY AND KEY SLOT DIMENSIONS METRIC. Key standard sizes shaft failure theories ppt powerpoint presentation diaMetric woodruff keys are supplied to din 6888 / iso 3912 in c45k key Keyway chartKeys standard metric keyways mechanical. 8mm 1. S. 18-8 stainless steel key stock offers a balance of strength and corrosion resistance. . The standard metric fastener thread series for general purpose threaded components is the M thread profile and the coarse pitch thread series. pdf. In the National basketball Association (NBA), the court is 28. Unless otherwise specified, the shaft keyway is assumed to be standard. All sizes are in inch units. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for. The use of standard, “off the shelf” items can significantly reduce both inventories and. Keyways Index BS 46 Square Keys and keyway Dimensions Ref. donnu. Made of solid carbide, these keyseat cutters are harder, stronger, and more wear resistant than high-speed steel for the longest life and best finish on hard material. Bore and Keyway Tolerance Table. They have an alternating right- and left-hand tooth style for removing more material at high speeds than straight-tooth keyseat cutters. Woodruff Keys Max 0. The following tables list the standard keyway widths and depth for each size bore and shaft. The following Engineering calculator will show the plus and minus tolerance for the specific ISO 286 Shaft tolerance data. 094 0. 3mm 2. Choose from our selection of metric shafts, including over 5,200 products in a wide range of styles and sizes. Broach tooling is most often as customized as the workpiece that it will cut. 886. 0284, email us, or fill out and submit our online request for quote form. Rectangular sunk key. 424 Minimum 2. Key KeyWay. O. 0. Duy Nam. Woodruff Keyways & Keys. 5, Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard; ANSI/ASME B16. BB AK BD BG AA AB AC AF AJ The condensed dimensions shown on these pages are for general reference only and are not for construction. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Reliable. Hub to Shaft. 800-982-3141. /4 5/. • Keys DIN 6885 → Page 842. 000 +. Companion pulleys contain integral spokes which run radially on the pulley. British ISO Metric Screw Threads Designations. Consent to Cookies & Data processing. [3/31/23] Straight Rotary Shafts are available in 1045 Carbon Steel or Equivalent and 304 Stainless Steeland 4137 Alloy Steel or Equivalent, with the following options for Surface Treatment : Black Oxide, and Electroless Nickel Plating or No. keyways available upon request. 1-1967, ASME standard B17. Standard . 000 for all standard keyways BORE, KEYWAY & SET SCREW INFORMATION MECHANICAL P. SAE has standardized shaft configurations to use keyways and splines to attach components. 7 by 15. 432 / . 774. 25 - M 1. Standard Metric Keys Keyways for. ). Cut it to length to create the machine key you need. As your Tooling Concierge, we use our expertise to. Metric Roller Chain. Machine the center of these sprockets to fit the exact dimensions of your shaft. Because of the intricate craftsmanship involved in fabricating a broach tool, this often involves weeks of production. American Metric ® Corporation Ametric ® 623 GROUP: 064 Metric Shaft Keys DIN 6885 A 20x12x170 22x9x170 22x14x170 25x9x170 25x14x170 28x10x170 28x16x170 32x11x170 32x18x170 36x12x170 36x20x170 40x14x170 40x22x170 45x16x170 45x25x170 8x7x180 12x8x180 14x9x180 16x7x180 16x10x180 18x7x180 18x11x180 20x8x180 20x12x180. Keys are made of steel. 3/8. Sign-In Create Account. It was published under the authority of the Executive Board on 22 February, 1972. Cutting Tools. The overall length or “C”dimension for each catalog item is included in this catalog. For example, an ANSI 202 measures 1/16 x 1/4, while ANSI 1012 measures 5/16 x 1 1/2. H is the key height. 46 : Part 1 : 1958. Keyway (mm) Key (mm)* From To Width (W) Depth (h) Width (W) Depth (T) 6 8 2 1 2 2 9 10 3 1 3 3 11. They have an alternating right- and left-hand tooth style for removing more material at high speeds than straight-tooth keyseat cutters. The Woodruff Key numbers indicate normal key dimensions. in Machine Elements & Structural Engineering. T Metric trapezoidal thread, 7H: ISO 2903 Keys keyway metric standard keyways sizes engineering shaft key parallel square fits fit mechanical data rectangular british limits figure. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. Keyway Size Chart - Farrell BearingsStandard Calculator Bore Size. pdf. Moorland Rd. Shaft key standard sizes rectangular gates keys diameters most non std readily available3 ways to convert within metric measurements Metric convert measurement measurements conversions easy way within units ways unit decimal number use. For example, M10 or M10-6g, by default, specifies M10 x 1. All the standards recognize this and specify tolerances for keyway so one could have two to four classes of fits. - inch bores with metric keyways; - metric bores with inch keyways; - metric bores with metric keyways; or - shaft keyseat tolerances. Max. 0 Cart. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and. Pull Type keyway Broaches are available either as industry-standard 500 series or 600 series. Metric Standard Parallel Keyway and Key Sizes Shaft Diameter (mm) Keyway (mm) Key (mm)*. December 30, 2020. 020 0. H is measured Perpendicular to key. 438 . Style B - Sprocket with hub extension one side . While a designer is free to specify any keyway they wish, straying from the standard option is likely to increase the cost, time, and complexity of the part. Standard External Metric Thread and Fastener Sizes M 0. A list of standard. Rexnord Industries, LLC, Coupling Group 497-108 5555 S. The keyway dimensions are also different from the English system. C, Cotter Pin Hole has centerline. You may also refer detailed information on British Standard Metric Keys and Keyways. These explain the sizes and dimensions required by different keyway families according to different manufacturers, and the charts are used in the making of keyways to ensure correct sizing. Nom. The inclusion of dimensional data in this Standard is not intended to imply that all products DE- described are stock production items. Table of contents. 010 0. Standards such as BS 46, ANSI B17. But also, there are lots of kinds of other applications. Shaft (Arbor) Keyway Dimension Size Data - ANSI/ASME B94. Key-Depth Tolerance is +. Undersized Machine Key Assortments Since they fit more loosely than standard keys, these undersized keys are best for uneven keyways or when you need to disassemble parts frequently, such as during maintenance or prototyping. Detail design should be completed using the relevant standards or quality reference sources. Foreword. Standard Metric Keys & Keyways. 2 mm. For instance, a "1/4 x 1/8" keyway has two sidewalls that are1/8 inch dep, shown as "d" in figure 1. 3D Printing & CAD. Key Type. 6 8 10 12 17 22 30 38 44 50 58 65 75 85 95 110 130 150 170 200 230 260 290 330 380 440. Finished bore with standard keyway on other side protects shafts from damage; Customize bore size in-house to save time and cost; Superior holding power over set-screw type couplingsVariations of machine keys include parallel keys, tapered keys, Woodruff keys, hi-pro keys, and non-rok keys. Dimension standards: ISO 2982-2:. The keys and keyways followed the recommendations of ISO R773:1969 and shaftRoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. We can provide keyed shafts in any length up to 20 foot. reconstructingjudaism. Locate keyways per Figure 6 and Table 8. This standard presents metric dimensions, tolerances, sizes and fits for straight bores, tapered bores, keys and keyways for unmounted industrial flexible couplings. Because they're usually shorter than. Products. In AGMA 9112-B15 the “measurement of bores” section was moved from an annex to. The common specification dimension, Key Size, is highlighted. Woodruff Metric key and Keyway Dimensions - Roy Mech. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently, such as for maintenance or prototyping. The sizes and tolerances contained in this Standard are intended for single key applications only. I. We stock pre keyed shafting in many diameters, including metric diameters, with standard keyways. Keyway Cutter Hole Keyway Dimensional Data - ANSI/ASME B94. Its included angle is 1/4 inch/foot. 2: Tolerances: KM/KML Metric thread, 5H: ISO 965-3 Axial run-out locating face/thread: 0,02 to 0,06 mm max. Straight Sided Spline Dimensions. Keyway metricFalk_metric_key_keyway. Follow. In stock and ready to ship. Woodruff keys and keywaysTruKey® Shafting from Keystone is designed to provide the straightest, most accurate keyed shafting, in the industry. 0mm Metric - Standard Sizes. Keys shaft rectangular types key chart hub designs tapered machine selectionStandard keyway size chart Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k. 1 Class 1 standards for dimensions and tolerances. (ISO). 500 ± 0. Thin parallel keys and their corresponding keyways (Dimensions in millimetres) Thin taper keys with or without gib head and their corresponding keyways (Dimensions in. Tolerances and fits comply with, or are within, AGMA 9002-A86 standard (Class 1 clearance fit). Width Depth Radius SizeProduct data for lock nuts requiring a keyway. 025: 2: 0 -0. AGMA ASA Keyway and Bores Design Data including dimension and tolerances. The ISO sprockets have large pitches that are measured in sixteenths of an inch, but are expressed in metric units. Machine keyway to recommended size and tolerance listed per Table 5. See dimensions W and h in Figure 1. Use the middle of the shaft with bearings and other round-bore components. 025: h9: 0. They have a high helix angle and a wear-resistant coating for excellent shearing and chip removal in stainless steel and titanium. 350 Maximum 2. Related. Keyway Broach 1/16 to 1-1/2 Inch - 2. 3mm 3. for example, a hobbing machine, and deburring. In the Metric system it is common practice to specify the key size. Available in metric sizes, these 18-8 stainless steel. The following is listing of those standards: Standard Description Couplings • Standard Metric Keys & Keyways for Metric Bores with One Key (Page 2 of 2) All Types Metric Key & Keyway Dimensions Per ISO/R773 – P9 Width Tolerance (See Pg. The work of preparing International Standards. Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance «. 1 Class 1 standards for dimensions and tolerances. 50+ bought in. BSI Shop. See ANSI/AGMA 9112--A04 for metric bores with metric keyways. Tough. Because this key stock is slightly larger than standard key stock, keys will fit tightly in worn keyways. S. Shaft standard key sizes rectangular gates keys. H is measured Perpendicular to key. These Pages include various standards. All dimensions in inches. Keyway broach 1 16 to 1 1 2 inch 2 0mm to 26 0mm metric standard sizes id 749. Specification. For square and rectangular parallel keys three classes of fit, 'free', 'normal' and 'close', are foreseen. X. 4. ; Image credit: Carlisle Power Transmission. The inch and metric dimensions. False. 1, Safety Standard for Mechanical Power Transmission Apparatus 6). Standard woodruff keysWoodruff ansi metric keyway fasteners nominal Key steel pulleys belts metric transmissions. 8mm 2. Also see Table of Hole Tolerances per. Figure: Reference graphic for dimensionsMetric Keyway Sizes. 14–15 Pull Type Production Keyway Broaches A full line of Industry Standard 500 and 600 Series and 5M and 6M Series Keyway Broaches are available. Keyway misumiKey and keyway dimensions. Note: Broaches have a. Keys are tapered along their length. We stock pre keyed shafting in many diameters, including metric diameters, with standard keyways. Keyway Depth. A rounded bottom allows these keys to rock in their seat to relieve stress on the shaft caused by vibration or misalignment. 4. They conform to ANSI B17. PFEIFER INDUSTRIES, LLC. Loose running fit for wide commercial tolerances or allowances on. Washer Sizes: Wire Gauges: Wood Screw Dimensions: Key Dimensions. 1, the Metric key size is W x T. The IEC 72 defines motor frame size standards for regions that use SI units. Module isDimensional Charts are for Metric Taper Keyways, Metric Taper Keys, Imperial Taper Keyways and Imperial Taper Keys. Unless stated otherwise, hub torque and horsepower ratings assume a SOX (NBR) rubber spider is being used. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. 2) Dimension h of the taper key names the largest height of the key, and dimension t z. In addition, set screw holes and keyways may be added as needed. This standard presents metric dimensions, tolerances, sizes and fits for straight bores, tapered bores, keys and keyways for un-mounted industrial flexible couplings. 11/8″ B Type HSS Keyway Broach; 3/16″ B Type HSS Keyway Broach; 5/32″ B Type HSS Keyway Broach; 5/8″ B Type Collard Bushing (1) 8mm C-1 Type HSS Keyway Broach; 20mm C Type Collard Bushing; 7mm C Type HSS Keyway Broach; 6mm C-1 Type HSS Keyway Broach (1)This is a multi-part document divided into the following parts: Part 1 Metric keys and keyways. - inch bores with metric keyways; - metric bores with inch keyways; - metric bores with metric keyways; or - shaft keyseat tolerances. They're available in metric sizes. Keyway Depth (Normally 1/2 of width). Couplings can be additionally modified with new JIS keyways based on JIS B 1301. About Us. 3mm 2. ANSI B17. 2 out of 5 stars 119. 5. Recommended Hub Keyway Dimensions (mm) Reference AGMA 9112-A04 Standard metric keyway width tolerance per Js9 Imperial Standard Bore and Keyway Info Recommended Bore Tolerance for Imperial Shafts (Inches) Nominal Shaft Range Shaft Tol. Keyway Width. 2 mm. W is the key width. Undersized Machine Key Assortments Since they fit more loosely than standard keys, these undersized keys are best for uneven keyways or when you need to disassemble parts frequently, such as during maintenance or prototyping. The deviations are less than the basic size. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keysMetric; WXHKey W x T2 Keyway ISO Standard — mm Snart Dlameter WI dth Groove dimensions keys DIN 6E-ga. 3/8 . British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. Thin parallel tkeys and their corresponding keyways (Dimensions in millimetres) Clavetage par clavettes paralldes minces (Dimensions en millim&res) First edition - 1974-08-15 UDC 621. Standard metric keys keyways for metric bores with one key. 2-1978 standards. Made of solid carbide, these keyseat cutters are harder, stronger, and more wear resistant than high-speed steel for the longest life and best finish on hard material. All keyed Shafting is guaranteed to fit on a bearing, and the ends can be. Coping with foreign bore and keyway standards Machine Design. 2-6 Antimony St, Carole Park QLD 4300, Australia Phone +61 7 3271 5424. Thru. 2 metric standards . KEYWAY: A rectangular opening formed by matching rectangular slots cut axially (lengthwise) along both the coupling bore and shaft. Single bearing supports use Type 1N. This key stock is stepped to match repaired keyways in shafts or gears. 4235: Part 1:1972 and conform to I. Sizes of shafting from 3 to 5 inches in diameter may be either cold-rolled or turned, more frequently the latter, and all larger sizes of shafting must be turned because cold-rolled shafting is not available in diameters larger than 5 inches. A key is a machine element used to connect a rotating machine. These simple pieces of metal connect shafts to rotating components to transmit torque while ensuring that the components cannot move relative to each other. 493. Taper per Ft. 2-6 Antimony St, Carole Park QLD 4300, Australia Phone +61 7 3271 5424. 2 Normative references . British Standard Metric Keyways for Square and Rectan; gular Parallel Keys BS 4235:Part 1:1972 (1986) Sat — ey eyeay Tonimal Diameter d Width,b Depth Radius r pw | 3% Free Fit Nonal Fit lose Fi Shalt, Tab over | ‘and | 2% | pom, [Stak | Rab] Stat] Ba | Shaman. pdf), Text File (. Gates belts, hoses, and applications: standard & non-standard shaft keyTaper metric dimensions keyway key bs 1972 keyways keys Standard metric keys & keywaysMetric key ametric. 5 1. Choose from our selection of metric sprockets, including over 1,100 products in a wide range of styles and sizes. Designation - designated as: A parallel key of Type A, width 12 mm, height 8 mm and length 50 mm shall be Parallel Key A 12 x 8 x 50 Standard Metric Keys Keyways for Metric Bores with One Key; Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. We use keyed shafts in the gear and shaft assemblies in general. Cutting Tools. Standard tolerancing on stainless keys and keyways. 2-1967. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft becomes twisted when loaded in torsion. 6 Module Sizes And Standards Module m represents the size of involute gear tooth. 003, -. 4. Use individual keyway broaches in a variety of arbor hole sizes. 1 offer from $178. The key and key seat cross section are ISO standardized. ISO 286Application error: a client-side exception has occurred (see the browser console for more information). 6 - M 18. ANSI Woodruff Keys. Metric standard keyway sizes_联轴器厂家-guangzhou link automation140pcs assortment 30mm keys 16mm x20mm 10mm Sae to metric conversions for hex keys chart imageFwb lengths metric. Keyway additional modification is available for both single. Choose from our selection of keyway stock, including machine key stock, rounded machine keys, and. Shaft Diameter vs Key Sizes Design Recommendations. Keyway Depth. 004, -. Constant-Tension V-Belt Pulleys A built -in spring maintains tension on your belt. This standards is an ASME standard. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. Regions using "inch" units work with NEMA standards (see page NEMA Frame Size). 4mm. Created Date:Shaft Key Seat Depth Control Values S and T for Shaft and Hub ANSI B17. 020 0. the depth at the side, but in the metric system the keyway is dimensioned by the width and the depth measured from the raduis of the shaft to the center of the keyway. 0 $0. It is ideal for overhung or unsupported shafts and is an excellent way to attach items such as mixer paddles and shaft Bore Diameter 1: 1. Table 1 details the appropriate key slot and key sizes for various metric bores. based on the table on webpage Factors. 250 Internal Retaining Snap Ring Sizes and Groove Design Chart; Metric Tapered Retaining Snap Rings Size Chart Metric size retaining snap rings per. Ref Standard . In manufacturing upon 6885 Information used with permission ot Martin 02007 Shatt Keyseats/Hub Keyways Standard Keyseats/Keyways Sra' IoW Square Keyways Metric: WxHKey W x T2 Keyway American Standard — Use individual keyway broaches in a variety of arbor hole sizes. These shafts have keyways only on the ends, leaving a plain shaft in the center. Part 1. 800. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. Gear G is positively located on shaft S by Woodruff key N . To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. 2500 0. ANSI B17. [email protected] width P9 tight fit (standard design) JS9 or N9 loose fit (requires written agreement) see also. Review of Australian Standards. 3mm 2. Our Pull-Type Keyway Broaches are ideal for applications in high volume production pull-type machines. Standard Metric Keys & Keyways. Keyway dimensionsMetric key keyway dimensions per iso/rtt3 js9 width Inch keyway chart ansi agma shaft key width b4 dimensions diameter nominal reference motor electricKeys keyway metric standard keyways sizes engineering shaft key parallel square fit fits mechanical data rectangular british limits figure. Metric Keyways Index page; BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions; BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions. Specifications Met. Usual IEC sizes. Parallel Keys. Use them in light duty applications to connect gears and other components to shafts. Standard Pin Taper The standard pin taper is a self holding type taper. Standard Keyways and Setscrews Diameter of Shaft Keyway Width × Depth Setscrew Diameter of Shaft Keyway Width × Depth Setscrew 1/2 - 9/16 1/8 × 1/16 10-24 2 5/16 - 2 3/4 5/8 × 5/16 5/8 *Keyway Broaches. They meet DIN 6887, an international standard for machine keys. Important note: The information on this page is not detailed and has been obtained by reference to the relevant BS and Machinerys handbook. Keys standard metric keyways mechanical. Use them to connect gears and other components with tapered keyways to shafts. Nom. Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support. Dimensions of parallel keys and taper keys.