Woodruff key size chart. The sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keys. Woodruff key size chart

 
 The sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keysWoodruff key size chart  Gear Products and Suppliers | Gear Knowledge Menu

com: steel key stock, standard tolerance, metric, 2 mm thickness. 6 6. 76 2 0. All dimensions are in inches. Technifast provide a varied range of keys including round end, square end and one round/one square end parallel keys (also known as feather keys), woodruff keys and gib head keys which are available in metric and inch sizes. KEO Woodruff Keyseat Cutters- Shank Type- HSS Metric. size and number as shown below. 73/Item) +. DIN 6888 Woodruff Key ; The dimension of DIN 6888 woodruff key as below: b x h d2 mm l mm t1 mm t2 mm 1. 1674. Mm Shaft Diameter Groove dimensions for woodruff keys DIN 6888. Width. Sign In; Cart; Menu. Venkat Dora. The crescent profile of the key allows it to sit deeper in the shaft, reducing the likelihood of the. You can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. this arbor has a u shaped recess and the arbor end has no slot. The semi-circular recess or pocket is known as the woodruff keyway. Write the first review. The 200-series is full radius; all other Woodruff Keys have a flat bottom. covering 66 listings. SHAFT KEY ABOVE SHAFT KEYSEAT. WOODRUFF KEY SEAT (SHANK) CUTTERS HIGH SPEED STEEL. b x h 1 x D. 6. 53. Inserts TEHW Gage Insert Insert Torx Screw Torx Key 606 DWKC-606-TE06-050 685140 20. Kawasaki ATV 1985 Bayou 185 - KLF185-A1A CRANKSHAFT. Check DetailsYou can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. Material: Coating: American Standard #. Square keys. Material, heat treatment, hardness or finish is not within the scope of this standard. METRIC Sizes View Products. 5 times the shaft diameter to ensure a good. Brant Akkan. Keys standard metric keyways mechanicalMetric keyway shaft depth reference dimensions diameter iso r773 width Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k keyKeyway metric dimensions keys. Chevrolet Performance Crankshaft Keys 12561513. 13. The sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keys. 030mm to 0. Product Image Feedback. You can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. Shaft Collars, Couplings, Mounts & Keys / Woodruff Keys / #67988204; Print. Metric key keyway dimensionsKeys standard metric keyways. The sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keys. Woodruff keys ( source: IndiaMART) The advantage of the Woodruff key is that it can accommodate any taper in the hub keyway, and its captive and depth. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keyswoodruff key chart. Easy to Install. If this is the case, check the "OTHER IDENTIFYING DIFFERENCES" column to pinpoint the exact model. MSC Industrial Supply - Metalworking tools and MRO SuppliesUpdate images of woodruff key sketch by website seven. English Standard Keyway and Key Sizes Shaft Diameter (in) Keyway (in)* Key (in) From To Width (W) Depth (T 1) Width (W) Depth (T) 5/16 7/16 3/32 3/64 3/32 3/32 1/2 9/16 1/8 1/16 1/8 1/8This list includes the width and actual length of the key 3 pages 200. All industry standard Woodruff, HyPro, and NonRok key sizes are stocked and available for immediate shipment in two grades of steel; Special Carbon Steel (SAE 1035) and Heat Treated Alloy Steel (SAE. 50. ansi b17. edu. Nominal Size Square Key: Shaft (Arbor) & Key: E : E : F : F : Hole Dia. 0mm metric, standard Taper keysStandard and metric keyway broaches. The purpose of the key is to transfer the torque load from a shaft to the working gear. Woodruff Keys fit into a rounded slot cut into a shaft and a pulley or sprocket that has a slot cut into it is installed onto the shaft the slot slides over the woodruff key, creating an assembly that rotates as one unit. Standard keyway dimensionsKeyway standard chart metric broach pdf charts broaches std Keys & keyways specificationMetric key keyway dimensions per iso/r773. 875″ Cut Dia, 0. Manufacturing will be based upon DIN 6885 - T1. 218 06602 T6S-0 T-806 DWKC-806-TE06-050 65141 2. The standard key size for a straight key in a shaft is one quarter the shaft diameter. During installation, woodruff keys will sometimes slip out of their groove as the. 000. 018: 4: 0 -0. Charts showing ANSI standard Woodruff key sizes and matching keyseats. vn compilation. L = Length. Metric – Rectangular B. SKU: WKCSIM UPC: MPN: Shipping: Free Shipping. 3/16 X 1. Keys and keyways. --keyway dimensionsKeyway chart diagram hallite. Keyway Sizing Chart - Free download as PDF File (. 2) The extra depth of the key in the shaft prevents its tendency to slip over the shaft. . 4 18 11 66 75 20 4. Write the first review. The common specification dimension, Key Size, is highlighted. Because they're usually shorter than. • Creating tapered cut-outs. Keyway metric key iso dimensions standard keyways r773 keys pdf bores shaft hub depth diameter standards engineering table edge width. 424 Minimum 2. The key’s main function is as a fail-safe or sacrificial device to ensure that there is no damage to the gears in the event that the gears become. Metric standard keyway sizes_联轴器厂家-guangzhou link automation140pcs assortment 30mm keys 16mm. Woodruff keys are not capable of bearing the same weight as long parallel keys. Big. 2 X 3. Related Products. This Kawasaki 92038-001 WOODRUFF KEY fits the following models and components: Aftermarket Parts Engine Woodruff Key. Pry off the pulley. The Woodruff keys is a semi-circular disc and fit into a circular recess in the shafts, which is machined by a Woodruffs keyway cutter. 1. Taper key and Parallel key. Width and full diameter, rather than the width and height. 75 7 2 2. Specification. Metric External Table Chart Thread Designations Sizes M 1. All sizes are in inch units. Woodruff Keys Included: Container Type : Each: 1018-1045 Carbon Steel. Also known as half moon keys. That means, a one inch shaft should have a quarter inch key. eteachers. The sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keys. 7mm 2mm x 5mm 2. Woodruff keys work well near shaft shoulders and on tapered shafts. Parallel machine keys are made with both ends round, both ends square, or one round and one square end. 000000000. Unflanged, Metric Size; Ball, Extended Inner Race; Plastic Ball Bearings; Thin. Depth. All dimensions are in inches. English Standard Keyway and Key Sizes Shaft Diameter (in) Keyway (in)* Key (in) From To Width (W) Depth (T 1) Width (W) Depth (T) 5/16 7/16 3/32 3/64 3/32 3/32 1/2 9/16 1/8 1/16 1/8 1/8Woodruff Keys. 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 1/4 shaft diameter spec conforms to the 1/8" keyways in the 1/2" sprocket hubs. HaSaoMoi 200pcs Metric Woodruff Key Assortment Kit with 15 Most Popular Sizes - Woodruff semicircle Key - Half Moon Key - Keyway - Shaft Crank Key. Woodruff Keyseat cutters are designed for cutting keyways and keyseats as well as performing general purpose milling operations. Metric pdffillerWoodruff key cutter size chart Woodruff key size chart metricMetric key keyway dimensions per iso/r773. 048: 0. The Woodruff key is #STD 580025. 1341 IN STOCK NOW. 5 2. Shaft Collars, Couplings, Mounts & Keys / Woodruff Keys / #67989442; Print. The. These pockets can be set by a cutter to set the. Woodruff key is a type of sunk key. Update images of woodruff key sketch by website in. Set includes sizes in the chart below. We can. 11059 Metric Woodruff Key 4 x 6. Filter Results. 5/8″ Long x 1/8″ Wide, Alloy Steel. Shaft Collars, Couplings, Mounts & Keys / Woodruff Keys / #67989525; Print. The standard key size for a straight key in a shaft is one quarter the shaft diameter. Feather key can be screwed as well in some of the cases. Resource. Woodruff key cutter size chartStandard woodruff keys Shaft standard key sizes rectangular gates keys diameters most non std readily. Woodruff key: [noun] a shaft key made in the form of a segment of a disk and used with shafts not more than 2¹/₂ inches in diameter. Your vehicle deserves only genuine OEM Honda parts and accessories. This is because even a very small deviation from the size does not combine with the hub. 6x7 2x37xlO 25>01 x 10 16 4 x 65 x 16 4 x 75 x 19 5x65x 16 5x75x19 6 x 9 x 22 6xlOx25 Basic Size 1. • The woodruff key seat cutter is a circular cutter integral with a parallel shank for holding and driving having definite diameter and width with sides slightly concave designed for cutting seating in shafts for woodruff keys. Keyway metricStandard woodruff keys Standard woodruff keysKey steel metric rectangular keys machine chart iso standard flat. Woodruff Keys. Choose from our selection of woodruff key assortments in a wide range of styles and sizes. Woodruff. Keyseat cutters allow for the precise milling of shafts that accept metric woodruff keys. British Standard Metric Keyways for Square and Rectangular Parallel Keys 11 5/16 3/8 7/16 1/2 3/4 3/4 7/8 Nominal Diameter, d 6 1/2 7 1/2 9 Square Keys preferred for shaft diameters above this line: rectangular keys, below Key 3 3/4. 2 offers from $19. Corners of the feather key are curved. Woodruff key – type a (wfa series) woodruff is a semi-circular insert, into a curved slot in the shaft. 1. Allen Key Sizes Chart Sales Cheap, Save 43% | jlcatj. The key is listed as a Hi Pro type in the parts lists and that is what you are describing. Metric Woodruff Key and Keyway Dimensions and Tolerances (all dimensions in millimetres) in accordance with BS 4235-2:1977 and ISO 3912-1977 b x h 1 x D Width b Depth Radius R Nom Tolerance Class Shaft t 1 Hub t 2 Normal Close Shaft Hub Shaft & Hub P6 Nom Tol Nom Tol Max min N9 Js9 1. For Machine Table T-Slot Width. 8 6 6 23 30 8 3. Keyway standard dimensions keyseat pdf printer friendly information. 0303. 1 Woodruff Key Depth Chart Pdf Recognizing the pretension ways to get this book Woodruff Key Depth Chart Pdf is additionally useful. 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 4. These are the standard woodruff keys that are full half-circle in size and are designed to fully interface with the shaft’s key seat. Slightly larger than the size listed, these oversized keys offer a tight fit in worn keyways. Picture. 015 364. REACH Compliance. Is intended for the general application to cylindrical shafts and shafts ends, and gives the relationship which should be observed between the diameter of shaft and the section of key. With the flywheel nut threaded onto the crankshaft, install a flywheel puller so its bolts engage the holes adjacent to the flywheel's hub. It is a piece from a cylindrical disc having segmental cross-section in front view as shown in Fig. 6 6. Find #404 Standard Woodruff Key at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years. • Sawing. 1" OD 10pc Coated HSS in great quality padded carry box Set includes sizes in the chart below We sell single sized woodruff cutters, click. Gates belts, hoses, and applications: standard & non-standard shaft keyShaft standard key sizes rectangular gates keys diameters most non std readily available Standard woodruff keysKeyway-and-key-size-dimensions. 0947 :. Metric 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. The sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keys. WOODRUFF KEYS KEYSEATS. Can tolerate great strain, making rollover unlikely; 8 assorted sizes Woodruff Keys ANSI B17. Yamaha Woodruff Key Raptor 660 700, Grizzly 550, Rhino ,350, Viking 700, Warrior | eBay. a) Rectangular sunk key: for preventing rotation of gears and pulleys on the shaft. Woodruff Key Slot Cutter and Woodruff Key Seat Cutter. The other type of keys would be metric. 6 6. The shaft keyway is designed with a semicircular gap to fit the key in the Shaft. 3⁄32: 0. I need to replace my 25 yr old chart of woodruff key depth chart . 0505. Metric - 1. You have to look for the correct line. Shank Size. Metric woodruff keys are made to a minus tolerance (h9 on width / h12 on height) as standard Imperial woodruff keys are made to a plus tolerance (+0. zero offset, . 77 (+GST) Each. Woodruff keys are semi-circular shapes in two kinds. 0. For more information about our standard woodruff keys, call us today at 724. The Hillman Woodruff Key is a semi-circular keys that is commonly used for mechanical applications. Woodruff Key for Summit Pro LS Crankshaft, Forward Position, Short Key. 1) The tolerance zone for hub keyway width b for parallel keys with normal fit is ISO JS9 and with close fit ISO P9. Made in USA #404 Standard Woodruff Key. 7. Part Number: SUM-161000. You can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. Keyseat Alignment Tolerances: A tolerance of 0. 72. MSC# 67988287. Game Specifications: Game type - Table Payable - 9 . 000/+. Choose from our selection of keyway stock, including machine key stock, rounded machine keys, and. Sizes, Shafts, Keyways. 3 8 7 31 38 10 3. 95. 4. 937221 key is a Woodruff 6 and the size is 5/32" x 5/8". 1/2" Aprica. £1299. Charts showing ANSI standard Woodruff key sizes and matching. Choose from our selection of rectangle keys, including over 950 products in a wide range of styles and sizes. The 66-piece stainless steel Woodruff key assortment includes Woodruff keys in various sizes and comes in a compartmented plastic case for storage and organization. Keyway standard chart metric broach pdf charts broaches stdKeyway broach 1/16 to 1-1/2 inch, 2. 7 Woodruff Key. • The woodruff key seat cutter is a circular cutter integral with a parallel shank for holding and driving having definite diameter and width with sides slightly concave designed for cutting seating in shafts for woodruff keys. Apr 02, 2019 woodruff key slot dimensions key sizes imperial dimensions sizing chart mechanical size medium cutter metric key. So, once the feather key gets installed in the shaft, it is prevented for an axial moment. Product Image Feedback. WOODRUFF KEY SEAT CUTTER Cutting Rake - 20° for positive TEHW inserts Indexable Woodruff Key Seat Cutter American Standard Size Description Part No. Skip to content. Woodruff keys and keyways. 95. Bridgeport Type Mills. 1/⁄2 : 3⁄32 : 0. Nominal Shaft (Arbor) and Keyseat Cutter Hole Diameter. Metric keys conform to DIN 6888 standards. Predator 212 hemi. 005” onFull-Radius Woodruff Keys. It represents manufacturing practices for sizes and types from 1/16 in. Dorman HELP! Woodruff Key -. 1890 0. No. 5020 2. 000 -0. And the straight side is in the gear or pulley hub. pdfAllen wrench sizes Woodruff standard keys dimensions ansi key table inches numbers nominal givenShaft standard key sizes table. Community platform by XenForo ®© 2010-2023 XenForo Ltd. The Woodruff key is a semi-circular disc and fits into a circular recess in the shaft machined by a woodruff keyway cutter. Shaft Stress and Deflection. Machine keys – also called shaft keys or key seats - are removable machine elements installed between shaft key seats and hub keyways to transmit torque in power transmission assemblies. 00. . If the holes are not threaded, use a self-tapping flywheel puller or tap the holes using a 1/4 X 20 tap. But ensure the weakened shaft can support the load. Thickness Tolerance - Fractional Size. Keyways Index. All. OrgKey Stock , or bright steel, is a general term for a stock of square or rectangular bars 12 inches or longer in length from which machine keys are produced. 1875 0. You can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. Woodruff Keys - Metric - Nordex, Inc. A list of the standard key sizes and corresponding keyways for Metric shafts are listed below in Table 2. Key Size 10 mm × 16 mm (10 Each) Plastic Box: 000000000: 000000:Woodruff Keys. 6mm. Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance « + Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. 250. 5 mm × 2. Stanho metric woodruff keys are supplied to DIN 6888 / ISO 3912 in C45k key steel and are made to minus tolerances (h9 on width and h12 on height). Satisfy a variety of applications from milling slots to milling threads. tem, itis the standard practice to specify the key size. 001” on width / +0. . 11058 Metric Woodruff Key 4. You can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. They are designed for pulleys and drive shaft applications and are made from stainless steel, which offers corrosion resistance. Buy #18 Woodruff Key (6 pieces): Woodruff Keys - Amazon. H = Height. 【Neatly Organised】The woodruff key assortment comes with a plastic storage box, neatly organised, with chart inside box lid for easy selection, which is portable and convenient to access and store. Woodruff Keyseat Cutter: 0. 6mm 2mm x 2. Below is a technical reference chart. 015625 less than 1/4 =. 1250. 6. Woodruff keys also tolerate great strain, making rollover unlikely. DFARS Compliance. WxH Key W x T2 Keyway British: WxH12 Key W x H Keyway ISO Standard-mm Imperial -Inches * Groove dimensions for woodruff keys DIN 6888 in accordance with DIN 6885 Sheet 1 (with back clearance) BS 4235 Pt. 25 - M 1. ) Length: 1-1/8 ; Thickness: 1/4 ; Key Number: 18; Item Barcode #18 Key 1/4 X 1-1/8. CHEVROLET 5. Coupling Design: K d: Fixed (tight fit) while loaded: 1:Metric Woodruff Keys. 95 $159. Shaft Keys Types and Their Design from Sweet woodruff is exceptionally easy to grow and readily adapts to a wide range of soil and moisture. The sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keys. Size range – woodruff keys woodruff keys, din 6888 (metric) width ‘w’ height ‘h’ length ‘l’ diameter key no (d2 x 2) 1. The sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keys. Woodruff keys come as square, rectangular, or semi-circular shapes, depending on the application. ansi standard woodruff key size table chart ansi b17 2 1967 r1998 engineers edge hardware ansi menu all dimensions are given in inches thems35756e (notice 1), military specification , key,woodruff, steel alloy, with keyway and key slot dimensions (01 oct 1998) [s/s by nasm35756] superseding spec: nasm35756, adoption notice (1 oct 1998) design guidance: mil-std-1755, military standard: keys and pins preferred for design, listing of (15 jan 1979) [no s/s document]You can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. 2-1967 (R1998) -. 7mm Metric Woodruff Key (5 pieces) $865 ($1. This key is largely used inYou can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. woodruff key miata . The key seat has to be precisely cut according to the key size to accommodate the key and prevent any interference between the key height and the depth of the host shaft’s key seat. ANSI Woodruff Keys. Keyway sizing chartNew year, new designs tips Keyway chart diagram halliteWoodruff key cutter size chart. 95 — You save $20. Stock Availability condition code chart. Also known as half moon keys. Loosen the pulley nut. Please contact a sales representative at one of Metric & Multistandard’s 5 fully stocking. 1. These cuts could be made using an endmill, but a key cutter is much simpler. Email. The middle portion of the key has a gap to fit the hub. Choose from. 1563″ Cut Width, 1/2″ Shank Dia, Straight Tooth 2. 12mm. js9 width. You can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. Shaft Key Seat Depth Control Values S and T for Shaft and Hub ANSI B17. Filter by Availability Filter Results Filter by Vehicle Individual Parts. Metric woodruff key slot dimensions. 2 + 0. Also suitable for a broad variety of industrial and commercial uses. thick x 5/8 in. 6 - 10mm x 16mm Imperial - 1/6" x 1/4" - 3/4" x 3. Stanho Woodruff keys are made in all standard sizes. We also offer a variety of woodruff cutter sets, so. The inch and metric dimensions here correspond to common values. Wide range of sizes, material and finish available. 800-243-0986 (US) or 203-775-4877 (INTL) Live chat; Request a Catalog;. Alloy Woodruff keys normally are made from. 800-243-0986 (US) or 203-775-4877 (INTL). $965. ANSI Key No. Similar. 057" 0. High-Security Key-Actuated Light Switches. 202 to 1012 Key No. Arbor Keyway Cutter Hole Keyway. Diameter < Shaft diameter d_1. Loading Estimated Ship Date: Today. Woodruff key cutter size chart. Woodruff keys are semicircular, fitting partly into a circular segment keyway with the remainder fitting into a longitudinal slot keyway in the mating part. The common specification dimension, Keyway Size, is highlighted. FREE delivery Wed, 4 Oct on your first eligible order to. 000mm. You can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. The sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keys. Woodruff Key Assortments. 005” on Full-Radius Woodruff Keys. Grip® Woodruff Key Stock Assortment Metric Set, 80 Pieces. (Square) Max. 4. Quantity: 80. 2; Thread Shear Area for. The circular segment can be cut directly by plunge cutting. This item: 2mm x 3. but by the time you blow it up to a bigger size , it gets kinda fuzzy . The sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keys. 18. The sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keys. Part Groups. Woodruff keys work well near shaft shoulders and on tapered shafts. It fits in a half-moon shaped slot, in a shaft, leaving the flat side of the tab exposed. You can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. Made in USA #808 Standard Woodruff Key. The Woodruff Key numbers indicate normal key dimensions. Woodruff Keys: These keys are commonly found in Alvis engines, on lighter duty drives such as water pump and magneto. 4. DIN-6888. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. Check Details. 115" Finish. 00000. 000 / +0. You can find a woodruff key size chart in PDF format, which provides a comprehensive reference for selecting the right key for your application. Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k keyKeyway hallite Keyway chartShaft keys. There are 17 different sizes in the package meet your using needs in daily work. It was copied from a searchable database but since it is no longer searchable the results are mixed up. com | 888-390-2050 Technical Information Cutting To ols Keyseat Cutter Considerations: • Select a tool with the shortest allowable overall length to ensure the strongest tool setup possible. 4235 : PART 1 : 19723/16 in. Search Feedback | Big Book Catalog. M-42 Cobalt works great in all types of materials and will give much better tool life than M2 or M4 tooling. Available in many different sizes and thicknesses. 0404. Keyways Index. Steel keys offer good strength.