Shaft Adapters. Cut it to length to create the machine key you need. Metric External Table Chart Thread Designations Sizes M 1. 3 parallel metric keys and keyway dimensions roy mech web keyway b x h width x thck width b depth radius r nom tolerance class shaft t 1 hub t 2Shaft Diameter vs Key Sizes Design Recommendations. Cartener Pulley Keyway Key - Square Key Stock 60pc - Keyway Stock, Keyway Tension, Keyway Blank - Keyway Plastic Box - Flywheel Keys - Pump Shaft Key - 1/4 Key Stock - 3/16 key stock. Our Price: $23. Thin parallel keys and their corresponding keyways (Dimensions in millimetres) Thin taper keys with or without gib head and their corresponding keyways (Dimensions in millimetres) Straight cylindrical involute splines — Metric. 500 +0 / -0. High temperature. Overall Length. ANSI B17. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft. Slightly. 00 Get it as soon as Tuesday, Sep 12ISO Metric Wrench Size Table Chart Metric wrench size for Metric Hex Head Bolts. The following tables show standard dimensions for keys and their grooves. 1890 0. This Standard covers the size, type and tolerances of parallel and taper keys and keyseats, and their relationship to shaft diameters and bore diameters. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. Keyway (Shaft. HHIP 2006-1102 Steel Slot-Collard Keyway Bushing Hhip, 1/4"Axial run-out locating face/thread: 0,02 to 0,06 mm max. 8M ; BS ISO EN DIN 20898-7 Mechanical properties of fasteners: torsional test and minimum torques for bolts and screws with nominal diameters 1–10 mm ; BS EN ISO 10642. 2 tolerance from 26 24 ex vat answer to metric key keyway dimensions per iso r773 js9 width tolerance t2 key amp iso keyway tolerances p9 help environment harvard eduThe metric system does not refer to keyseat or keyway dimensions as does the English system. 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. Note that metric keys are rectangular in shape, and not square as in the English system. Height. Standard External Metric. Filters Suggested Categories . For example, an ANSI 202 measures 1/16 x 1/4, while ANSI 1012 measures 5/16 x 1 1/2. 8. The cutting edges increase until they reach the required size. 3. Metric. This key stock is stepped to match repaired keyways in shafts or gears. 2-6 Antimony St, Carole Park QLD 4300, Australia Phone +61 7 3271 5424. C o p p e r. Download >> Download Bs 4235 part 1 pdf Read Online >> Read Online Bs 4235 part 1 pdf n9 keyway tolerance imperial keyway dimensions iso r773 keyway dimensions calculator metric keyway dimensions standard keyway sizes in mm bs 46 part 3 bs 46 part 1 22 Feb 1972 Purchase your copy of BS 4235-1:1972 as a PDF. You will also find. Specify. Box 12086 Omaha, NE 68112-2086 Rectangular keys. Re-design the shaft shown below to be a uniform, s. 1, the Metric key size is W x T. 8mm 2. 2. Min. sizes with 2 to 250+ pitch. bxh Radius r. 5020 2. When a keyway is damaged, cut a new, wider one. 1 offer from $165. Allowance must be made for keyway and setscrews . Measurements, Sizes, Shafts, Keyways. You will also find. Hybrid bearings . Keys and keyways. Bore Size Set Screw Size Keyway Size (W x D) Length thru Bore Nominal Torque Dimension FD CAD; 69790414261: Description N/A SX90-6 HUB 19MM 6X2. Taper-Lock Weld-On Bushing-Bore Hubs. Note that metric keys are rectangular in shape, and not square as in the English system. Address. 3 mm. 542. The key and key seat cross section are ISO standardized. Machine keyway to recommended size and tolerance listed per Table 4 on Page 3. 2 The standard does not deal with misalignment or offset. 1 2 3. O. Keyway broach 1/16 to 1-1/2 inch, 2. 016 1/64Up to two different flange dimensions are available for each size of helical gear unit and Spiroplan® gear unit. Undersized metric keys meet DIN 6885 dimensional standards. Lock nuts with integral locking . C Designates a C flange/face mounted motor, e. xls Created Date: 1/23/2014 8:35:20 AM. N and AN inch lock nuts ():using a lock washer are available up to and including size 44 (thread diameter 8. BOTTOM OF SHAFT TO BOTTOM OF KEYWAY. Figure: Reference graphic for dimensionsLag Screw Metric Size and Dimensions per. 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. The inch and metric dimensions here correspond to common values. D im en s o- N , OP A Ba dX rp cf t l . 3mm 2. (Dimensions comply with DIN 6885/1) † Requires use of chamfered keys. They are useful for shaft end. Skip to main content. Address. Nominal Shaft Diameter ( A ) Bottom of Keyway to Bottom of Shaft ( B ) Keyway Width ( C ) Reference Depth ( D ) fractional decimal fractional decimal 3/8 0. 763: 1/4: 6. In stock and ready to ship. Metric standard for 2 keyways in a shaft (180 degrees apart) Metric standard for 2 keyways in a shaft (180 degrees apart) Mannes Karsten (Petroleum) (OP) 4 Oct 19 13:41. Metric Standard Parallel Keyway and Key Sizes. T Metric trapezoidal thread, 7H: ISO 2903. Key dimensions: Parallel keys are most commonly used. Figure: Reference graphic for dimensionsWhen it comes to Metric Keyway Broach Sets, you can count on Grainger. Rexnord Industries, LLC, Coupling Group 427-108 5555 S. Keyway. We can manufacture from your part prints or custom-design for your applications. 465Eagle Tool Metric Keyway Chart. Keyway Width. All setscrews are placed directly over the keyway. But ensure the weakened shaft can support the load. Woodruff eliminates the milling around the shaft shoulder where concentricity and stress concentration can be affected. We offer the most common American Standard and Metric Pull-Type Keyway Broaches, available either as Industry Standard 500 Series with threaded pull end or 600 Series with notched pull end. The gap of the keyway is shown with tolerances again and the semi-gap is shown. . Contact Application Engineering for assistance. Fully threaded, headless screw with a hexagonal drive at one end and a cup-shaped indentation at the other. A complete coupling consists of two hubs and one spider (each. 2520 1. Roller encoder units . Standard External Metric Thread and Fastener Sizes M 0. 542. 0000 /-. Metric standard for 2 keyways in a shaft (180 degrees apart) Metric standard for 2 keyways in a shaft (180 degrees apart) Mannes Karsten (Petroleum) (OP) 4 Oct 19 13:41. 0010 > 50 mm ISO m6 inch mmANSI Standard Woodruff Key Size Table Chart ANSI B17. 8mm 2. 05 to 48 in. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. D r y w a l l. Check Details. Products must be available in many sizes, to fit a variety of design envelopes – and avoid the need for customised parts. Regardless of which unit of length you're using, you'll need to measure the following: width, height, and length. Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings All Types (Page 1 of 2) Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance Key & Keyway Dimensions – Millimeters Falk Coupling Hub Keyway Dimensions – Inches Shaft Diameter “D” Key Size Nominal Keyway Width Hub “W” Keyway Depth Hub “T2. O. Note: Broaches have a. thinwall — metric insert installation removal carbon part no. Canada also uses imperial measurements in some circumstances, though officially, the correct unit of measurement in Canada is the metric system, which. 100,Broach Set from Broach Supplier or Manufacturer-Chongqing Yuqing Machine Tools Co. Choose from our selection of metric keyway broaches, including keyway broaches, keyway broach sets, and more. 6mm 1. 3mm 5mm 5mm 5mm 5mm 6mm 6mm 6mm 8mm 8mm 22mm 24mm 16mm 17mm 19mm 20mm 25mm Keyway Width (w) 10mm 3mm 3mm 1. 22 Piece Keyway Broach Kit Metric Size Metalworking Tool Bushing Spacer Set Bushing Metric Size 4mm B1, 5mmB1, 6mm C, 8mmC Broach with Tool Box, 13 Piece Bushing and 5 Piece Spacer Metalworking Tool. Key Dimensions. Hello, Does anyone know if there's a metric standard for a shaft that has 2 keyways, spaced 180 degrees apart, but both in the same axial place on the shaft. Keyways will be. Flat — The tip makes good contact on flat surfaces. 0mm metric, standardShaft standard key sizes rectangular gates keys diameters most non std readily available Chart keyway torqueKeyway metric key dimensions standard keyways keys bores shaft hub depth iso diameter engineering table edge width millimeters. Pulleys HTD® Pulleys MXL Pulleys XL Pulleys L Pulleys GT®2/GT®3 Pulleys T Pulleys FHT® Pulleys PDF (inch) PDF (metric)Taper Bush Dimensions. Keyway Width. 00 : BR-00 Details: 1/16-1/8 Dumont Keyway Broach Set, 0823-0420 : 1/16, 3/32, 1/8: $500. 1-1967, ASME standard B17. 70 Metric Hss Keyway Broach Set, 4 mm, 5 mm, 6 mm and 8 mm Keyway Size, Style B and C, 5100-0070 $486. And the dimension is added from the bottom of the keyway to the bottom perimeter of. The deviation determines if the feature will be oversized, undersized or allow for a symmetrical deviation. As noted above, when selecting a keyway tolerance, there are two common selections in the. Sensor bearing units . Keyway broach sets contain multiple keyway broaches in a range of sizes for creating precise keyways in the bore holes of pulleys, gears, washers, and other shaft. Over To (Incl. Our largest broached keyway width is 1. 202 to 1012 Height Width Diameter Actual Length Full Radius Flat Bottom Distance Key Below Center No. BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions. In stock and ready to ship. At the. Slightly larger than the size listed, these oversized keys offer a tight fit in worn keyways. 1/16 in; 3/32 in; 1/8 in; 5/32 in; 3/16 in;. 015/-0. 010 Height (d) (t) – DIM Keyway Width (w) AGMA 9002-A86 Inch Bore and ANSI B17. 2. Choose from our selection of key stock bars, including machine key stock, machine keys, and more. Machine keyway to recommended size and tolerance listed per Table 5. 424 Minimum 2. You can think of them as being Internal (Holes) or External (Shaft) features. 9 Mil 1956 10-49. Key & Keyway Dimensions Millimeters Shaft Diameter. Also, T1 and T2 are. Glarks 140Pcs 16 Sizes Key Stock Keystock Assortment Kit, 8mm 10mm 12mm 16mm 20mm 25mm 30mm Smooth Round Ended Feather Key Parallel Drive. . Rexnord 427-140. 5 302. 2473:1975 Dimensions for centre holes (@t revision) 6708:1977 Specification for centre drills type A (@t revision). This is the most popular series of metric washers that is coupled with KM series metric locknuts. 774. 2 7-1,2 1. 010 Height (d) (t) - DIM Keyway Width (w) AGMA 9002-A86 Inch Bore and ANSI B17. The following tables show standard dimensions for keys and their. Email. , depending on the lock nut size Mounting slots according to DIN 981 HM/HME and HM . recommendations except for the bore sizes marked * which are shallower. 5: 4 center of the keyway. 053. Keys and Keyways: Dimension charts for Keys and Keyways: Limits, fits and tolerances calculators: Calculates the limits, fits and tolerances according to ISO 286(2010), ANSI B4. * 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). 2 once at the end of the h tolerance chart keyways js9 and p9 simcut ba keyway broaching insert js9 tolerance from 44 72 ex vat simcut bf keywayMETRIC BORES AND KEYWAYS Keyways are British Standard Metric B. 0284, email us, or fill out and submit our online request for quote form. Min. Skip to main content. For technical drawings and 3-D models, click on a part number. 026 71 . 0. 3mm 2. Keys shaft rectangular types key chart hub designs tapered machine selection5/8" od keyed shafting with a 3/16" full keyway Metric key keyway dimensions per iso/rtt3 js9 widthMetric key keyway dimensions. 015. 414 Maximum 2. N = Number of Keys (same size) Keyway application design factor K d. Metric Keyways Dimensions ISO/R773. Standard L Type coupling hub materials are either sintered iron (L035-L190) or cast iron (L225-L276). Retention Knobs. The KenCut KS design offers a true 90° wall straightness due to tapered peripheral edges - creating a defined. We built a calculator to determine the standard keyway based on your shaft diameter, either in inches or millimeters. Keyway size charts can come in both imperial and metric measurements. AUTOMATION & IIOT. Drive shaft Design, key and Keyways. ANSI/ AGMA 9103-B08 - Flexible Couplings – Keyless Fits (Metric Edition) API STD 610 - Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas Industries; API STD 671 - Special Purpose Couplings for Petroleum, Chemical and Gas Industry Services ; AIA/NAS NA0139 - Keyway and Key Slot Dimensions Metric (an Aerospace standard). 9112--A04, Bores and Keyways for Flexible Couplings (Metric Series). 9112--A04, Bores and Keyways for Flexible Couplings (Metric Series). 5 1. They have a high helix angle and a wear-resistant coating for excellent shearing and chip removal in stainless steel and titanium. (Square) Max. Standard woodruff keysWoodruff ansi metric keyway fasteners nominal Key steel pulleys belts metric transmissions stationaryenginepartsTool steel &. Keyway (H9) mm Metric Taper Bushes. 125 inches (4. 5 Material metric round UHMW-PE * Imperial keyway sizes on round bores conform to ANSI standard B17. Type C - Keys with both ends round hole for one retaining screw (for sizes 8 X’7 and ANSI woodruff size charts express measurements in inches and nominal key sizes with higher numbers corresponding to bigger keys. 5 mm 2 mm 2. 3) Keyway fillet radius to be specified by customer. Rectangle. 3 mm. 8 6 6 23 30 8 3. Metric Keyway Calculator Key dimensions: Parallel keys are most commonly used. Metric Key Keyway Dimensions Engineering Hardware Design Data ISO Hardware Specifications Table Metric Key Keyway Dimensions Per ISO/R773 Js9 Width. Shop premium taper lock bushings from USA Roller Chain. 92. 5 5. 26. Cut precision keyways. Mill Diameter. Interference Fit Bore Tol. 2 continued. Metric Key Keyway Dimensions Engineering Hardware Design Data ISO Hardware Specifications Table Metric Key Keyway Dimensions Per ISO/R773 - Js9 Width. 1 / 0 +0. Key dimensions: Parallel keys are most commonly used. 1 - 1967 (R1989); metric keyway sizes conform to BS 4235: Part 1: 1972 (1986) GATES. 002, -. DIN 7154, H7 Metric Bore and DIN 6885, Js9 Square Keyway Tolerances Page 1 of 4. 1265 0. Keyway (Hub) Radius r. , New Berlin, WI 53151-7953 USA Telephone: 262-796-4060 August 2003 Fax: 262-796-4064 e-mail: [email protected] mm and a wide variety of inside diameters and thicknesses as well as material variations, you have endless possibilities. They are useful for shaft end. T. Metric module, side fit. 003, -. 54 products. Width b: Depth : Radius R: Nom: Tolerance Class: Shaft t 1:. S. Stock Sizes of Keyshaft. 0Dimensions shown are in Inches or mm, if you wish to convert them, please use our universal converter. £ 32 95. width depth tol. 377 Minimum 1. Metric thread, 5H: ISO 965-3 Axial run-out locating face/thread: 0,02 to 0,06 mm max. Keyway Sizing Chart - Free download as PDF File (. A list of the standard key sizes and corresponding keyways for Metric shafts are listed below in Table 2. 196” to outside diameter to get flange diameter. The keys and keyways followed the recommendations of ISO R773:1969 and shaft tolerances followed ISO R775:1969. 6552. 000 / +0. 487 Minimum 2. Email. This key stock is stepped to match repaired keyways in shafts or gears. T Metric trapezoidal thread, 7H: ISO 2903 Axial run-out locating face/thread: 0,06 to 0,16 mm max. d Tolerance Class Shaft t1 Hub t2. huyett keystock reference guide by g. Keyway key parallel jis sizes tolerances 1301 mm 1996 pulley excerpt unit techKeyway metric Table aii-12. But ensure the weakened shaft can support the load. 46: Part 1 : 1958). 3 16 10 59 65 18 4. Buy it Now. Keyseat. See dimensions W and h in Figure 1. All dimensions in mm. 12 mm. Also referred to as. Key dimensions: Parallel keys are most commonly used. 628 in)using a locking plate are low-profile-series lock nuts for nominal thread diameters ranging from 9. The rods are bent to 90º, forming two. Just enter the size of the key and shaft, then click "Calculate". A square key is used if the deeper key depth is required to transmit torque. 5° angle. 4 mm. TAPER KEYWAY DIMENSIONS - METRIC - BS 4235-1: 1972. 2515 0. 03937" 1" = 25. COM/TPU 10/2021 . 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. 04 in inch mm > 0. Specifications Met. Mill Thickness. At the. 00 $ 486 . Parallel and taper keys; Part 2 Specification for metric keys and keyways. C e r a m i c. maybe 20. 18-8 stainless steel key stock offers a balance of strength and corrosion resistance. ISO 2491-1974 (E) Price based on 3 pagesKey-Depth Tolerance is +. . 350 Maximum 2. In stock and ready to ship. 0000" mill diameter tolerance for creating a precise fit. Square keys. 1 for Js9 Dimensions) Key & Keyway Dimensions Millimeters Coupling Hub Keyway. NEMA C-Face BA Dimensions 143-5TC 2-3/4 182-4TC 3-1/2 213-5TC 4-1/ 4 254-6TC 4-3/4 5000 FRAMEDE2FHOPUVAA AB BAMetric Standard Parallel Keyway and Key Sizes Shaft Diameter (mm) Keyway (mm) Key (mm)* From To Width (W) Depth (h) Width (W) Depth (T) 6 8 2 1. PARALLEL KEY DIMENSIONS - METRIC - BS4325:1 1972 British ISO Metric Screw Threads Designations. Fractional Inch; Metric; Keyway Width. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and. Max. keyways available upon request. 3125 0. DIN 11024. 500. Top. Flange Data. D. * 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). KeyWay /Key Dimensions. Metric square keys assortment (m4 thru m8)Keyway metric Standard metric keys keyways for metric bores with one keySquare metric keys assortment thru m8 m4 hillman. 84 in -0. 2500 1. keyway dimensions metric keyways diameter key shaft hub over incl w h width depth tol. Bushings rest inside the arbor hole of your workpiece and act as guides to ensure rigid and accurate keyway cutting. DIN-6880. British Standard for metric Limits and Fits. To use this calculator, input your Torque, Shaft Diameter and Key Length values. Key dimensions: Parallel keys are most commonly used. Steel key stock is an economical choice with good strength. Lockwashers engage a keyway in a shaft or adapter sleeve slot, then locks the accompanying locknut in position by bending one of the washer tabs into the nut’s outside diameter slots. Corrosion-Resistant MiniatureRoller Chain and Links. The following is listing of those standards: Standard Description BS4235 P Woodruff keys and keyways – same as ISO 391 BS46P1 Specifications, Keys and Keyways – obsolete Nominal key size b × h Applied shaft diameter d Key size Keyway size; b h c or r Standard size of b1 and b2 b1Tolerance （h9） b2 tolerance （E9） r1 and r2 t1 t2; Standard size Tolerance（h8） Standard size Tolerance(h10) Standard size Tolerance Standard size Tolerance; 4×4: 10 or more and 13 or below: 4: 0 -0. ANSI/ AGMA 9103-B08 - Flexible Couplings – Keyless Fits (Metric Edition) API STD 610 - Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas Industries; API STD 671 - Special Purpose Couplings for Petroleum, Chemical and Gas Industry Services ; AIA/NAS NA0139 - Keyway and Key Slot Dimensions Metric (an Aerospace standard). 2. 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. Bushings for smaller arbor holes are collared for easier handling. 000 Standard Setscrew Locations If one setscrew is furnished the location. Instead, dimensions are given for the key itself which is rectangular in shape, not square, as in the English system. Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads: Screw Extractors: Sheet Metal Gauges & Weights: Socket Head Cap Screws: Taper Calculations:. 886. clearance fit bores with set screws. Round. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. Reusable with a new lock washer. Steel key stock is an economical choice with good strength. 1 Square Keyway Tolerances Minimum 2. 05" 2 1/4 " 2. . pC20 pC10 Tooth Count 6 8 10 12 16 6 8 10 12 20 Outside Diameterinch3. 3. * Imperial keyway sizes on round bores conform to ANSI standard B17. Imperial systems use inches and feet, and these are the standard units of measurements in the United States. 0mm to 26. h 9. Use our Metric Keyway Calculator or Imperial Keyway Calculator to work out the stresses in parallel key and keyway. Keyway (Shaft. Keyway Size (in) Part Number Description Bore Size Coupling Size Hub Style Keyway Size (W x D) Length thru Bore CAD; 68514449706: Description N/A AL050 HUB 1/2 1/8X1/16 KW : Bore Size N/A 1/2 in: Coupling Size N/A AL050 : Hub Style N/A 1 : Keyway Size (W x D) N/A 1/8 x 1/16 in: Length. Hardware ANSI Menu. Non standard bores and over the keyways. fStandard Metric Keys & Keyways for Metric Bores with One Key Couplings. C : C : D* H : Corner Radius : Hole Dia. In stock and ready to ship. Specification for metric keys and keyways – Parallel and taper keys BS 4235-1:1972; Matching the woodruff key to the shaft diameter is also specified in DIN 6888- inch bores with metric keyways; - metric bores with inch keyways; - metric bores with metric keyways; or - shaft keyseat tolerances. Depth of keyway is measured at CENTRE. 18-8 stainless steel key stock offers a balance of strength and corrosion resistance. 2 metres. Tolerance. 5 +. Torque Applied to Key. 5 +. depth size depth 75051 75056 m5-. 7 4. Thread Type. Browse our bushing size chart & taper lock bushing taper angle!Table 4 — Dimensions and tolerances of rectangular parallel keys 7 Table 5 — Dimensions and tolerances of keyways for square taper keys 9 Table 6 — Dimensions and tolerances of square taper keys 11 Table 7 — Dimensions and tolerances of keyways for rectangular taper keys 12 Table 8 — Dimensions and tolerances of rectangular taper. 5mm, 4 x 6. SHAFT KEY ABOVE SHAFT KEYSEAT. You could not forlorn going with ebook growth or library orAvailable in metric sizes, these 18-8 stainless steel threaded rods have good chemical resistance. Welcome Location Transmission Bushes Pulleys Belts Vector Belts Roller Chain & Sprockets. Part 1, which specifies the dimensions, tolerances, and other parameters for different key sizes. tap drill size c'sink diameter +. Drill Size Decimal Drill Size Decimal 000 . The size must be entered as a metric millimeter value and be between 0mm and 500mm. (Page 2 of 2) All Types. The tolerance zone. Step Key Assortments. Keyway Depth. Nominal. Minimum hardness, tensile strength, yield strength and. sales@huyett. Gear Products and Suppliers | Gear Knowledge Menu. I'. Usual IEC sizes. In the Metric system it is common practice to specify the key size. Note: Broaches have a. for example, a hobbing machine, and deburring. 510. If a setscrew is required, drill and tap over keyway as shown in Figure 3. We can manufacture from your part prints or custom-design for your applications. 8mm 6mm 6mm 23mm 30mm Woodruff Keyseats KEY SEAT. All Dimensions in inches.