Mfr # 5DFE9. English Standard Keyway and Key Sizes Shaft Diameter (in) Keyway (in)* Key (in) From To Width (W) The following tables show standard dimensions for keys and their grooves. 1. Posted on 25 Nov 2022. 2. Chart 1 (below) is a cross reference of the SARGENT L Section six pin key blanks starting with the nine Day Keys, then the Lower Level, Mid-Level, and the Top Level Master Keys. 3) Keyway fillet radius to be specified by customer. 10 Keyway and key control 11 Keyway options 12-13 Cylinders and key systems 14-23 Key control 24-30 Cylinders 31-38 Cores 39 Cams 40-42 Key blanks 43-44 Cylinder service equipment and tools 45 Specifications and certifications 46-47 Additional purchasing and distribution 48-49 Keyway diagrams 50 Useful definitionstraveling public. 2; Thread Shear Area for External and Internal Formulas and Calculator per. 90mm x 279. idw Author: Todd Ryan Created Date: 4/19/2012 2:58:00 PM. 95. Standard Keyway For 5/8 Shaft. 26, so the flat diameter is about 3 1/4”. For Hub Keyway Height. 002 -0. Tolerances and fits comply with, or are within, AGMA 9002-A86 standard (Class 1 clearance fit). Gear dimension calculation tips. *Dimensions are for reference only. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Face Width Face width is limited in its maximum dimension to allow proper. below is a chart displaying these keyways. PLUG The part of a cylinder containing the keyway and with tumbler chambers usually corresponding to those in the cylinder body. Theoretically, 2 keyways would suffice (25+25=50) but the 25 is a theoretical number which will be slightly reduced in reality. One of the following methods should be used to specify keyways: Metric: WxH Key W x T2 Keyway British: WxH12 Key W x H Keyway ISO Standard-mm Imperial -InchesDimensions imperial key keyway rectangular parallel keys 1958. All of the measurements listed on the product pages in inches without the keyway width or depth. Telephone: 877-704-5625 Fax: 877-704-6835Active Keyways Keyways which are available for new Corbin Russwin keying systems are considered active. 875 3 – 3/8 × 2 0 . Interchangeable core (IC) cylindersBS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways. 000 +0. Are there any standards for Metric bores and / or keyways? There many standards that cover the topics of metric bore tolerances, fits and keyway sizes. Keyways: Falcon “G” keyway standard on standard ⁄ 4. ORGANISATlON INTERNATIONALE DE NORMALISATION Tangential keys and keyways Clavetage par clavettes tangentielles First edition - 1977-04-01 UDC. Shaft Key Seat Depth Control Values S and T for Shaft and Hub ANSI B17. C : C : D* H : Corner Radius :Inches & Standard Commercial Tolerances Apply Note: Keyways must be specified. Handing: Right hand is standard; left hand optional. Keyway metric dimensions keysShaft diameter solid keyway text uniform shown re below factor transcribed show Keyway-and-key-size-dimensions. Metric – Rectangular B. 5, 6 or 7-pin are available on standard cylinders. x 1 3/4" long. The bottom row shown in red shows the sequence of progression (SOP) for this master key system. system. Zoro # G1768067. Australian Standard Technical drawing Part 201: Mechanical engineering drawing SECTION 1 SCOPE AND GENERAL 1. British ISO Metric Screw Threads Designations. Shaft Diameter. |3000 Campus Drive, Minneapolis, MN 55441| 1 763 553-7300 |F 1 763 509-7709 |4 (blank)= standard PG 9 = PG9 cable opening 0/9 = PG9 cable opening, for reverse key (blank) H1151= female S = male K = female (blank) = no indicators P7X2 = PNP LEDs B = standard field wireable BM = metal coupling nut CMB = shielded DB =. 1 9. Keys and keyways BS 46 Part 1 : 1958 Keys and keyway Dimensions-Parallel Rectangular Adve Radius 0. S. IMPORTANT: Be aware that as lock cylinders begin to wear through use, the keyway can begin to expand. comSprocket Bore Tolerance & Standard Keyway & Set Screw Size Based Off Sprocket Bore Size. We are here for you 24 hours a day, seven days a week. A key is used for temporary fastening. S145 is standard for new master key. The key should fit snuggly in the keyway with minimal side Standard keys should be the same length or slightly longer than the keyway in the hub. • Keys DIN 6885 → Page 842. Common keystock materials include steel, stainless steel and plated with zinc and are supplied in standard lengths of 12” & 36″ lengths. Std bore keyway and SS size infoAllowance must be made for keyway and setscrews. 342 Minimum 3. INTRODUCTION — The general practice in industry is to supply coupling hubs without fillet radii in the keyway corners to permit the use of standard commercial keys instead of keys with chamfered. Two PDFs with useful engineering data on keyway sizes and engineering limits and fits, just download. Assemble key. Ansi Standard Keyway Sizes Pdf Thank you very much for reading Ansi Standard Keyway Sizes Pdf. 396 Maximum 3. Machine Key Comprehensive Guide. NEMA KeyseatNEMA Keyseat ShaftDimensions ShaftDimensions (U)(R) (S) (U) (R) (S) 3/821/64 FLAT1-7/81-19/32 1/2. Cut precision keyways— these sets include broaches, bushings, and the necessary shims. Choose from our selection of keyway stock, including machine key stock, rounded machine keys, and more. ** earcneaear r l c oFr Information DIN 6885 page 1 and page 2 differ mainly in the radial position of the parallel key (see sketch). 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. 1875 0. Keyseats and Keyways. 14. Spliced tub girders have successfully been used in the HOV Direct Access Bridge over Interstate 5 in Federal Way, Washington. Non standard bores and over the keyways. Each Sheet has data printed both sides with laminated protection 8. O. Keyway Width. This International Standard specifies the dimensional characteristics of tangential keys and of their corresponding keyways in shaft and hub. Obverse family includes the Schlage C keyway, one of the most commonly used, open keyways in North. Keyway designation Key bow Chain hole Key cuts Keyway milling Serialization code Key blade Key stop tip Series keymark code 3 8 L l. Open keyways are best applied as a cost-effective solution on interior doors, but only where asset protection needs and break. This Standard establishes a uniform relationship between shaft size and key size for parallel and taper keys retaining similar basic sizing as found in the withdrawn B17. T. Shallow keyway depths must exceed 2/3 of the full keyway depth of the square keys shown above. All-Section Key. 6 6. Metric External Table Chart Thread Designations Sizes M 1. * These Width A values were set with the maximum keyseat (shaft) width as that figure which will receive a key with the greatest amount of looseness consistent with assuring the key's sticking in the keyseat (shaft). Table 2-1 Standard Values of Module unit: mm Series 3 0. The cutting edges increase until they reach the required size. 813 3 . Broaches are for use in hand and hydraulic arbor presses and are great for maintenance and short-run production operations. Shaft and Arbor Class E and F . All parts are hardened, ground and lapped; threads are ground. comStandard cores use a single spring cover to seal pin chambers. ANSI Woodruff Keys. 50) 1/8” (0. Over To (Incl. They conform to ANSI B17. The standard keyway depth in the shaft is 1/2 the keystock size. 000 1 1/16” to 2” +. Width b: Depth : Radius R: Nom: Tolerance Class: Shaft t 1: Hub t 2: Normal: Close: Shaft N9: Hub Js9: Shaft & Hub P6: Nom: Tol: Nom: Tol: Max. Keys and keyway Dimensions. Specify either without one (none), with one per our standard keyway chart (std) or as custom. They are also designed to protect a power transmission application by failing first, which protects other component. 5000 2. 125. by damian. web keyway chart the following tables show standard dimensions for keys and their grooves metric standard metric keys keyways for metric bores rexnordThe end of a keyway has two standard designs, shown in Figure 1. 2 Krysinch — A close plus toleranced, cold finished steel stock for parallel keys. 81 9. 824. Mortise Cylinder Ordered Separately Quantity Cylinder Length Pins Keyway Cam Keyset Finish 50 K100 1-1/4" 6 XX KC1 AA1 626 Collar not furnished with cylinder ordered. 000 for all standard keyways BORE, KEYWAY & SET SCREW INFORMATION MECHANICAL P. Nominal dimensions of gib head are covered in ANSI B17. The standard dimensions of square and rectangularIf you are having a problem placing your online order, have questions about your merchandise, or need assistance with something not listed please call us at 1-716-791-6197. That little gap, as you can see, you know, some of them are similar, but like this one here, it starts to change a little bit. 5 Series 2 3. 11101 Std collared bushings only 11301 TiN collared bushings only No. You can't cut them dry. 29 unique keyways All Finishes 605: Bright Brass 606: Satin Brass 611: Bright Bronze 612: Satin Bronze 613: Oil-rubbed Bronze 625: Bright Chrome 626: Satin Chrome 690: Dark Bronze CoatedWe would like to show you a description here but the site won’t allow us. 1; Hardware Design. W = d/4[clarification needed] H = 2d/3[clarification needed] where. 50 3. This International Standard specifies the dimensional characteristics of tangential keys and of their corresponding keyways in shaft and hub. b x h 1 x D. BS 46 Part 1 : 1958 Square Keys and keyway Dimensions. To help, we’ve put together the following keyway cheat sheet for. In stock and ready to ship. ALL KEYWAYS THROUGH 1/2" ARE NOW PM-M4! Order broaches by numbers found in first column. Shaft Diameter. As bushing bores approach the maximum recommended diameters, keyway depths are reduced in order to extend maximum bores as much as. Medeco does not publish lists of keyways. 19-1997 Standard 1A Long Blade 1AP Premium for use with 1CP core 1A Long Nose 3AP Rectangular Bow 2A Round Bow Available with/without chain hole 9A Blockout Blade with Extractor Key 4A Access Bow Comes with/without window for plastic insert Key Types Keyway designation Key bow Chain hole Key cuts Keyway milling Serialization code Key blade Key stop tip. Live Chat. 6 or 7-pin are available on interchangeable core cylinder. 3mm 2. Straight-sided splines for cylindrical shafts with internal centering — Dimensions, tolerances and verification. Keys Two nickel silver standard. We carry a wide range of products with keyways, including bushings and roller chain sprockets. Parallel Key and Taper Keys Dimensions. 8mm 2. BEST Premium Cores and Keys Specifications CORMAX™ Keyway Examples General BHMA Standard BEST - SFIC Product Specifications A156. Care should be observed when removing the plugB. imperial keyways diameter key size (nominal) shaft hub width depth width depth over incl w h max min max min max min max min 25. pdfStandard bore and keyway tolerances (inch and mm) keyway. ALL KEYWAYS THROUGH 1/2" ARE NOW PM-M4! Order broaches by numbers found in first column. 000 / +0. The stress concentrations at the keyway end are most severe for the profile keyway, so with respect to fatigue the sled-runner is the best design. We can provide keyed shafts in any length up to 20 foot. 000/-0. Competitive keyways: AB, BB, CB, DB, EB, FB, GB, HB, JB, KB, LB, MB, QB Arrow SFIC Lock Cylinders 6025 Cinderlane Parkway • Orlando FL 32810 • 407. 125 2 . Clearance Fit Bore Tol. Other belts may work with the pulley, but the fit into the v-groove will be different. Since they fit more loosely than standard keys, these undersized keys are best for uneven keyways or when you need to disassemble parts. 332 Maximum 3. Keyways Key Systems Keyway Types 4 keyway multiplex system. Competitor cylinder: The W Series accepts standard 6-pin cylinders available from Falcon, as well as Keyways: “G” keyway standard on Falcon standard cylinders. 4235 : PART 1 : 1972. We also have an Imperial Keyway Calculator. 8mm 2. A keyed joint is used to ensure orientation or restrict rotational movement between parts, as in the case of joining a shaft with a coupling. 1. 45 Kb) Stator Replacement Storyboard (PDF – 865. Standard Keyway Shallow SF-STL 11,000 0 . Non standard bores and over the keyways. 2 1. Chart 1 shows an example KB A with the top row showing the masterkey cuts- 11111, and the vertical rows showing the change key cuts to be used with each masterkey cut. Optional strikes and wrought boxes available; see Strikes, this page. and ordered separately, refer to product catalogs for additional information • HA Standard Keyway (Except Hotel) • For use in Sargent 78/8250s hotel function only, “C” series keyway supplied standard, unless otherwise specified . Standard QD Bushings Dimensions (Inches) Bushing Bolt Circle Keystock provided for nonstandard keyways. Over. 774. The common specification dimension, Keyway Size, is highlighted. Keyway metric key iso dimensions standard keyways keys. 92 7. 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. Keyway Sizes Broach Style Bushing Diameters (bore sizes) 1 /8, 3 16 B 1. Keyways for Milling Cutters and Arbors . Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k keyKeyway hallite Keyway chartShaft keys. Height. 0% 0% found this document not useful, Mark this document as not useful. W x T2 Keyway ISO Standard — mm Snart Dlameter WI dth Groove dimensions keys DIN 6E-ga Shut 1 (With • 1972. We carry a wide range of products with keyways, including. 000, depth. 8mm 1. Many keyways are milled directly into a shaft or broached into the corresponding bored holes. 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. BEST offers a quality line of bi-fold, bypass and pocket door hardware. All AL sheaves are statically balanced and include (1) 5/16-18 knurled setscrew. Use them to connect gears and other components with tapered keyways to shafts. ANSI B17. 062 0. 002 - . Rectangular. Taper metric dimensions keyway key bs 1972 keyways keys. 46 : PART 1 : 1958 Imperial – Square B. 4375: 4L/A. 5020 2. 003, -. All hubs supplied standard with one set screw. Keyway misumi dimensions metric tips designs year threads standard majority got belowKeyway chart pdf Specifying rectangular. pdf Gates belts, hoses, and applications: standard & non-standard. Min. − S2 − S1 b 25 25 ℓ 1. All dimensions are given in inches. Metric Key & Keyway Dimensions Per. Specify either without one (none), with one per our standard keyway chart (std) or as custom. Shaft standard key sizes table non bushing bore keys qd shallow range gates includes specific each alsoKeyway sizing chart Keyway metric key iso dimensions standard keyways r773 keys pdf bores shaft hub depth diameter standards engineering table edge widthMetric machine keys. G&G Manufacturing Company 4432 McKinley Street P. For example, an ANSI 202 measures 1/16 x 1/4, while ANSI 1012 measures 5/16 x 1 1/2. 563 3 . 2) Dimension h of the taper key names the largest height of the key, and dimension t z largest depth of the hub keyway. %PDF-1. 004)/2=. Detailed width tolerance information is best drawn from the manufacturer. 90 2. Also known as half moon keys. Couplings can be additionally modified with new JIS keyways based on JIS B 1301. 5, 6 or 7-pin are available on standard cylinders. Keyway size chart pdf. The ball bearings are not spring loaded and are not staked into place in the plug. 3mm 5mm 5mm 5mm 5mm 6mm 6mm 6mm 8mm 8mm 22mm 24mm 16mm 17mm 19mm 20mm 25mm Keyway Width (w) 10mm 3mm 3mm 1. Standard Keyway Size Chart. Lock nut, dimensions in accordance with ANSI standard, normal series. 16~0. Primus XP High security dual locking cylinder mechanism provides patented key control, geographical exclusivity, and pick-resistance. 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. Reversible in the field. 424 Minimum 2. 6 6. 00 2. If a plain straight through bore is needed, choose “NO” on this option. Home; Metric Keyways Index page; Parallel Keys and keyway Dimensions; Parallel Keys and keyway Dimensions to BS 4235-1:1972 KeyWay & Key Dimensions. keyways available upon request. * Please note prices on our website are for current stock levels there may be a difference if additional stock is required we will advise on receipt of. 4375 1. Chart shows how XC key is fully compatible with non-XC cylinders Master Sections Key Blank Key Sections Plug Key Sections SARGENT Key Blanks Master Key Section (6 Pin) Day or Change Key (6 Pin) Catalog Number 11-X6270 Catalog Number. Keyway Sizes Broach Style Bushing Diameters (bore sizes) 1 /8, 3 16 B 1 /2. H/2. Engineering Tech Sheet, Keyway Formulas. 4. Standard Key and Keyway Sizing English Dimensions: Keyway: W x T Key: W x T Metric Dimensions: Keyway: W x h Key: W x T Common dimension specification Keyway Dimensions Key Dimensions The inch and metric dimensions here correspond to common values. WIDTH. I l-IO cTAHAAPTM3ALWi. 55 0. Arbors and arbor spacers have standard keyways. Keys and keyways . Keyseat Alignment Tolerances: A tolerance of 0. Face Width - Face width is limited in its maximum dimension to allow proper. Coping with foreign bore and keyway standards | Machine Design. The core. S. Keyway Bore (inches) Reference Height (d) 1. 1 Square Keyway Tolerances Minimum 3. 2 Exceptions This standard does not apply to: - couplings attached to shafts without keys, see ANSI/AGMA 9003-B08;Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. Machining of square shafts with rounded ends (with or without keyways) Other machining available upon request per prints provided (drill, tap, threading) For Keyway MM Dimensions – see the table at. 3 6. It is also possible to make a calculation. The keyway dimensions are also different from the English system. Standard Keyway Dimensions. Inactive Keyways Many older Corbin Russwin keyways are designated inactive. 7500 3. We would like to show you a description here but the site won’t allow us. D,d Depth. (Ilco/JMA have Air/00, Sky/04, Gold/G3, Platinum. Our Standard woodruff keys are machined metal fasteners used to transfer torque from a shaft to gears and function as a fail-safe device and have ANSI Standard dimensions. 5 +. W width. Unless otherwise specified, the shaft keyway is assumed to be standard. BS 5686:1986, ISO 14-1982: Specification for straight-sided splines for cylindrical shafts: metric nominal dimensions, tolerances and gauging requirements. Shaft Size. Search Products. A rectangular key is generally used for shaft diameter between 1” (25 mm) and 20” (500 mm) Generally, these have a reduced effect on the shaft due to its shallow keyway depth. 500 2 . Max. A A B B; Max. 010-. 3/64. In stock and ready to ship. Arrow Pointe IC core products offer dealers unmatched flexibility and keying options. Min. Standard Metric Keys Keyways for Metric Bores with One Key; Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. Also, T1 and T2 are not Figure 2 Keyway Sizes. 1250 0. S. keyways available upon request. 3mm 2. R R Cutter Run-out. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Keyway Bore (inches) Reference Height (d) 1. 4. 6 - M 18 ANSI Woodruff KeysStandard and metric keyway broachesTable aii-12. We cut up to a 2. 4 Broaches and 9 Bushings = 18 Keyway combinations. Keyseat — An axially located rectangular groove 1a a shaft or hub, This may also be waitten fs shaft keyseat or bub keyseat when describing the exact application, Hub keyseat has been sometimes referred to an a keyway. 1/2 to. For Hub Keyway Height. Keyway Sizes Broach Style Bushing Diameters (bore sizes) 1 /8, 3 16 B 1. Hole and Keyway. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 interference fit bores without set screws commercial standards. 125 4 . Keyway-and-Key-Size-Dimensions. Keyway Chart Seals Specification & Size Listings. Available in standard 6 and 7 pin format in Arrow and competitive keyways, dealers can install Arrow Pointe in new or existing key systems. Everest 29 cylinders in S123 keyway with two patented keys are standard for stock. 1/8 keyway, 3 ft. Metric Key Keyway Dimensions Per ISO R773 Js9 Widt. 3 12 8. You can think of them as being Internal (Holes) or External (Shaft) features. Size Size I Note: All bushings include a set screw QD Bushings - Dimensions (inches) over the keyway. Address. 14 into a calculator gets you 3. This standard does not apply to: - couplings attached to shafts without keys, see ANSI/AGMA 9103-B08;American Metric ® Corporation Ametric ® 672 GROUP: 064 1 1. 003 - . Shaft Diameter Key Size Keyway Width Keyway Depth Keyway Radius "D" Nominal Hub "W " Hub "T2" "R" Over Thru Width "W" Height "H" Nominal Min. See dimensions W and h in Figure 1. Max. 3mm 2. 010 0. Get In Touch. Referencing Figure 1, the keyway dimension is W x T1. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft loaded in torsion. If your not using flood coolant then you need to use cutting oil. 10 Standard Set Our best selling Broach Set. This is a +/- band clearance; the value of the. scope: This Standard covers requirements for square and rectangular parallel keys and keyways intended for both alignment of shafts and hubs, and transmitting torque between shafts and hubs. Check if old prop fits the taper without rocking and check the amount of draw or overhang is enough. About Us. For example: a keyway. 5000 2. Schlage Keyway Types. 1 Square Keyway Tolerances Minimum 2. 5020 2. Set Screws. 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 keyKeyway sizing chart. As you may know, people have search hundreds times for their chosen books like this Ansi. . 657. 6 or 7-pin are available on interchangeable core cylinder. S Family (Everest 29), C Family (Everest) andKey-Depth Tolerance is +. Features: The key combinator is used to cut new or additional keys when required. 500 1 . This adherence is important — because, in mounting the bushing, the tightening force of the screw is multiplied many times by. 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. Inch (ANSI/AGMA 9002-B4) Metric (ISO/R773) Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. 005, -. 3/32" 1/8" 3/16" 1/4" 5/16" 3/8" 1/2" For Shaft Keyway Height. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. Reversible in the field. Download PDF Report. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. Keyways: Falcon “G” keyway standard on standard cylinder. Keyway toleranceKeyway-and-key-size-dimensions. Large Bow approximately 15% larger than standard bow . As a result, inaccurate tolerances are not introduced into and compounded within the system as second, third. n Non-standard bores available – consult Lovejoy Engineering. KEYWAY AND SHAFT DIMENSIONS B-7249 1 B B C D A. Standard Keyway Size Chart. Specify keyway: A (standard) or other keyway Standard cylinders - 6-pin Catalog number Description Q330-396 Falcon cylinder, G keyway, 6 pin Q330-397 Falcon cylinder, G keyway, 6 pin to 5 pin Q630-310 Falcon cylinder, G keyway, 6 pin, K571 Q630-311 Falcon cylinder, G keyway, 6 pin to 5 pin, K571 Q330-391 Schlage cylinder, C keyway, 6 pinEagle Tool Metric Keyway Chart. 5. The gib head makes them easy to remove when parts need to be taken apart frequently, such as for maintenance or prototyping. The final consideration with sizing is the thread size and location of the set screw. 010 / -. ) Width, W . 1. Standard keyway dimensionsKeyway chart Keyshaft keyed shaft, diameter 1 7/16. Notes: n Tolerances for bore and keyways are found in Engineering Data section (pages ED-10 and ED-11). 005=0. Ansi Standard Keyway Sizes Pdf As recognized, adventure as with ease as experience nearly lesson, amusement, as capably as pact can. 3 1. 71 7. Key Control Open Keyways Standard keyways available without any ordering formalities. Use them in light duty applications to connect gears and other components to shafts. (in) (in)* (in) 45 50 14 3. The keyway is a longitudinal slot in both the shaft and mating part. 6 b1 b2 r 1 r 2 Unit:mm Unit:mm Note(1) From the values for ℓ given below, which are in the appropriate range in the table, one should be. ANSI B17. Metric Standard Parallel Keyway and Key Sizes Shaft Diameter (mm) Keyway (mm) Key (mm). 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 1, the Metric key size is W x T. .