Metric Bolt Head/Wrench Size. Print this page . Bolt Diameter (mm) Head/Wrench Size (mm) ANSI/ISO DI Bolt Size Head Diameter Thread Length Head Height Hex Key Size M3 6 12 1.7 2.0 M4 8 14 2.3 2.5 M5 10 16 2.8 3.0 M6 12 18 3.3 4.0 M8 16 22 4.4 5.0 M10 20 26 5.5 6.0 M12 24 30 6.5 8.0 M16 30 38 7.5 10.0 M20 36 46 8.5 12.0 Metric Class 8 Finished Hex Nuts s o m Pitches Width Across Width Across Thickness Flats Corners Coarse Fine Diameters min. (Nominal diameter is more of a label than a size. For example, a bolt and nut may be described as being ½ diameter. But neither the external threads of the bolt nor the internal threads of the nut are exactly .500 in diameter. In fact, the bolt diameter is a little smaller and the nut diameter a little larger Choose from our selection of Allen bolts, including alloy steel socket head screws, 18-8 stainless steel socket head screws, and more. In stock and ready to ship Screw Size Decimal Equiv. Hex Key Screw Head : Counterbore Countersink Diam, in, 60° (C) Clearance Drills (D) Diam, in Height, in Diam, in (A) Depth, in (B
36. 19. ANSI B188.8.131.52M Metric Heavy Hex Flange Screws. ISO 4228 Spanners and wrenches -- Spline drive ends for power socket wrenches. ISO 724 - Metric Threads. An Allen key, Allen wrench or hex key is a tool used to drive bolts and screws with hexagonal sockets in their heads. Sponsored Links Metric Socket Head Cap Screws Size Table. Engineering ANSI Hardware Design Data Engineering Metric Hardware Design Data. All dimensions are in millimeters. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than M3 nor larger than M36 See norm DIN 912 / ISO 4762 - the relevant number for the tool head is s given in millimetre: s=5mm (M6) and s=6mm (M8). The '#6' Allen key has a 6mm wide head and fits M8 screws and likewise the '#5' Allen key has a 5mm wide head and fits M6 screws - so there is room for some confusion here. Share. Improve this answer. edited Mar 22 '17 at 12:58 4 1/8. 4 1/4. 3. 4 1/2. 4 5/8. The table above shows the diameter of the bolt with the size of both the hex and the heavy hex measured in inches. A heavy hex nut is exactly 1/8 inches larger across the flats than a normal hex nut. This means you need a 1/8 inches larger wrench or socket to be able to install this nut
Metric nuts and bolts are commonly referenced using 'M' sizes, for example: M3, M8, M12. But the size of a metric fastener is more accurately specified using diameter, pitch and length dimensions, in millimeters. For nuts the size dimensions used are simply diameter and pitch. Here's an example metric bolt specification: M8-1.0 x 20 Find your size and type in our Stainless Steel Allen Bolt stock. Manufacturer of A2-70 Allen Screw M6, SS 304/ 316 Allen Key Bolt, Grade 8 Countersunk Allen Bolt, Button Head Allen Cap Screw in India Ramjilal Ramsaroop - Offering Allen Key Bolts, Size: 5 X 20 Mm at Rs 5.00/pcs in Kolkata, West Bengal. Read about company. Get contact details and address | ID: 1458840489
Call +91-8048737868. Contact Supplier Request a quote. Tfe Round Ss Allen Cap Bolts, For Industrial ₹ 20/ Piece. Get Quote. Tfe En 8 Allen Bolt, Size: M 8 To M 45 ₹ 40/ Piece. Get Quote. Allen Key Bolts. ₹ 160/ Kilogram (s) Get Latest Price. We are one of the leading manufacturers of Allen Key Bolts in India Find Your Perfect Solution with our Range of Bolt Caps In Stock. Get a Free Sample for Your Business. Same Day Dispatch
Allen™ Wrench/Key Size Charts. Allen™ wrenches are available as individual keys of a given size but are also sold in sets that contain a range of standard sizes. Allen™ keys are identified as being either metric-sized keys in millimeter sizes or SAE (Imperial) sized keys in fractions of an inch or decimal equivalents An Allen key size chart is frequently included with self-assembled furniture, such as infant cribs, outdoor swings, or computer tables. Hold onto your Allen key size chart in mm or metric, as using the wrong size Allen key on your hex bolt could easily strip the inside. It is the manufacturer's guide where you can learn how to measure Allen. Product Description. Empi 17-2826 Irs Volkswagen Bug / Beetle Pivot Point Allen Bolt Only, Sold As 1 Bolt No Washers. ( 17mm Allen Head ) This Bolt Is Used With 7/8 Stock Or After Market Pivot Point Bushings On 1968 And Later Type 1 Bug, Karmann Ghia, Type 3 Squareback, Fastback, And Vw Thing Cars With Irs Transmissions Also know, are all Allen wrenches the same size? Allen wrenches are made in fractional inch and metric sizes.Probably the three most common sizes are 5/32-inch, 3/16-inch and 1/4-inch—in metric, 4-, 5-, and 6-mm see a lot of action. Other good SAE sizes to own are 3/32-nch, 7/64-inch, 1/8-inch, 9/64-inch and 7/32-inch.. Secondly, how many Allen key sizes are there 23 Section 6 Appendix 12/21/01 RCR15 Series Rotary Cutters 312-556M Land Pride Section 6 Appendix Torque Values Chart for Common Bolt Sizes in-tpi1 N · m2 ft-lb3 N · m ft-lb N · m ft-lb mm x pitch4 N · m ft-lb N · m ft-lb N · m ft-lb 1/4 - 20 7.4 5.6 11 8 16 12 8 436597
Metric Socket Head Cap Screws Size Table. Engineering ANSI Hardware Design Data Engineering Metric Hardware Design Data. All dimensions are in millimeters. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than M3 nor larger than M36 Bolt Measuring Guide. IDEAL BOLT MEASURING TOOLS - For precision measuring we would recommend the use of Digital Vernier Calipers and a Thread Gauge to measure thread pitch. For standard bolts in the range of M4 - M12, we offer our own Pro-Gauge £5.83 Inc. VAT. If playback doesn't begin shortly, try restarting your device
Heavy Hex Bolts 3-4 Heavy Hex Structural Bolts 3-5 High-Strength Structural Bolting 3-6 Carriage Bolts and Lag Bolts 3-7 Square Bolts 3-8 Step Bolts and Countersunk Head Elevator Bolts 3-9 Nuts Finished and Heavy Hex Nuts 4-1 Hexagon Machine Screw Nuts 4-2 Type A Forged Wing Nuts 4-3 Hex Slotted Nuts 4-4 Hex and Heavy Hex Jam Nuts 4-5 to 4-6. The typical sizes in the Allen wrench European set are: 2.5 mm. 3 mm. 4 mm. 5 mm. 6 mm. 8 mm. 10 mm. If you are working on a project that has shipped from another country, you may need to use a metric set of Allen wrenches Last. An Allen wrench, also known as a hex key, is a hexagonal L-shaped wrench that is common for automotive and bicycle repairs, as well as home project use and furniture assembly. They are available individually, in sets of hex keys, or even as a multi-tool with multiple sizes of hex keys integrated into a single unit Metric bolts are made fractionally under their stated size, for instance an M16 bolt will have a shank diameter of typically 15.97mm. This means that a 16mm bolt will fit through a 16mm hole but to allow for misalignment between parts it is common practice to drill bolt holes slightly larger. These are known as clearance holes
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 1.0 2 2 9 10 3 1.4 3 3 11 12 4 1.8 4 4 13 17 5 2.3 5 5 18 22 6 2.8 6 6 23 30 8 3.3 8 7 31 38 10 3.3 10 8 39 44 12 3.3 12 8 45 50 14 3.8 14 9 51 58 16 4.3 16 10 59 65 18 4.4 18 11 66 75 20 4.9 20 12 76 86. Allen wrench size chart explained below consists of the hex size, suitable long arm length and also short arm length. It is designed to help you in the workshop and use a proper Allen wrench when needed. Keep in mind that wrenches made from stainless steel won't corrode or rust regardless of how and where they are used
. The key end of allen keys is a hexagon, or six-sided, shape. Many items requiring assembly, including some furniture, certain children's wagons and other gear, use hex head screws to secure matching parts together Request a Quote for metric fasteners today. SOCKETS, BOLTS, SCREWS, NUTS DIMENSIONS OF MOST COMMON HEADS (ALL MEASUREMENTS IN mm) DIN DIA ILLUSTRATION M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M16 M20 M24 M30 M36 912 DIA d2 3 3.8 4.5 5.5 7 8.5 10 13 16 18 24 30 36 [
A hex key or Allen key is a simple tool used to drive bolts and screws with hexagonal sockets in their heads.. The tool is usually formed of a single piece of hexagonal rod of hard steel, with blunt ends that are meant to fit snugly into the screw's socket, bent in an L shape with unequal arms.The tool is usually held and twisted by the long arm, creating a large torque at the tip of the. . You can find a chart of the allen wrench sizes from any manufacturer. The basic range of sizes (although not all sizes are included in all sets) is: Advertisement. 0.7 millimeters. 0.9 millimeters. 1.2 millimeters (3/64 inch
While there is no universal lug nut size, there are fortunately only about ten or so thread sizes and pitches that make up a lug nut's size. The most common lug nut sizes are: 10mm x 1.25. 12mm x 1.25. 12mm x 1.50. 12mm x 1.75. 14mm x 1.25. 14mm x 1.50. 14mm x 2.0 Inch Series Hexagon Keys Nominal Key Size F Hex Width Across Flats Max. Min. C Hex Width Across Corners Max. Min. S Length Of Short Arm Max. Min. L Length of Long Arm Short Series Max. Min. L Length of Long Arm Long Series Max. Min. R Radius of Bend Min. K Chamfer Max. 0.028 0.0280 0.0275 0.0314 0.0300 0.312 0.125 1.312 1.125 2.688 2.500 0.062. Robokits India M4 x 10 mm Socket Head Cap Screw Allen Bolt MOQ 15 Pcs [RKI-5004] - Specifications: 304 Stainless Steel Thread Size (T): M4 (4mm) Length (L): 10mm Fully Threaded: Yes Package Includes: 15 pcs of M4 X 10 mm Socket Head Cap Screw Allen Bolt
Size refers to nominal diameter of the bolt while length is just that—how long the bolt is. Hex bolts range in size from 1/4 to 4 in diameter; 1/4 to 1 1/2 sizes are commonly available. Lengths range from 3/8 to 24; 1/2 to 10 is typical. From 3/8 to 1, lengths are in 1/8 increments A hex key, also known as an Allen key or Allen wrench, is a small handheld tool that's used for for driving bolts and screws with a hexagonal socket. He later marketed the new screw head under the name Allen safety set screw. Hex keys come in a variety of different sizes, which are measured by across-flats (AF) The standard size M8 hex nut is 13 mm across opposite faces, the vast majority you will encounter will be this size although you do occasionally see other sizes especially in mass produced products, Ford seem to have a thing about using non-standard sizes and of course not all nuts are hex nuts With their PowerHead (TM) head, these bolts provide improved fastening power compared to conventional bolt heads. They are easily secured with the included hex key and offer great holding performance with their fine, 20 TPI thread. The durable assembly screws help keep furniture pieces secured together, even with impact and vibrations
M6 x 20 mm Bolts Aluminium Red Anodised Bolts 25mm Red Screws M6 Cap Head Bolt. £4.69. Free postage. 108 sold. 10Pcs M3 Aluminium Button Head Screws - Allen Key Bolts Hex Head - Anodised Allen Key Bolts Hex Head - Anodised Unanodised. £13.09. Click & Collect. Free postage. M4 x 10 mm Bolts Aluminium Red Anodised M4 Cap Head M4 x 10mm. If you are interested in a long allen wrench key set which exemplifies the most important features of such a tool, the XtremepowerUS 45pcs SAE Metric Hex Key Set will not disappoint. Torque is dependent on the arm length, the smaller keys can accommodate tiny bolt heads, and the keys are L-shaped and can be used from either side Kincrome 9 Piece Imperial Ball Point Hex Key Set (1) $39.95. more. Add To Cart. Compare. Kincrome 8 Piece Metric T-Handle Hex Key Set (0) $59. more. Add To Cart. Compare. Bondhus 10 Piece Imperial Wallet Hex Key Set (0) $20.95. more. Add To Cart. Compare. Bondhus 9 Piece Metric Hex L-Key Set (0) $29.95. more. Add To Cart. Compare. Trojan 8. ISO 4014 Hex Head Bolts have coarse external machine screw threads, are partially threaded and mate with nuts and tapped holes. Their dimensions are similar to DIN 931 except the hex head width across flats (wrench size) for three sizes—M10, M12 and M14—is 1 mm smaller like ANSI B184.108.40.206M Hillman 1/2-in x 6-in Zinc-Plated Coarse Thread Hex Bolt. Hex bolts feature hexagonal heads and machine threads for use with a nut or in a tapped hole. They can be used to fasten wood to wood, wood to metal or metal to metal applications
6mm Button Head Bolts/Screws (10 Pack) M6 x 30mm A2 Stainless Steel Socket Allen Key Dome Head Bolt by BSJ Fixings. . Only 14 left in stock. Cup Point Grub Screws Mixed (16 Pack) 5mm Length, Various Metric Threads, M3, M4, M5 & M6. A2 Grade Stainless Steel Hex/Allen Key Socket Cup Point Grub Screw/Set Screws Ideal for removing and replacing hex fasteners in automotive and machinery applications, such as hex cap bolts and screws, this hex bit socket set is perfect for any shop or garage. The hex bit socket set features high visibility markings for easy size identification and a chrome vanadium steel construction to withstand heavy use Greenfield Kickstand Allen-key 25mm Bolt (For Tight Mount Fit) KS-107M. Greenfield. Related Products. In Stock Online. Usually ships in 24 hours $1.99 flat rate shipping! Greenfield 285mm KS3 Series Kickstand w/ 25mm Hex Bolt & Washer (Silver) $10.99. Greenfield 285mm KS3 Series Kickstand w/ 25mm Hex Bolt & Washer (Black) $11.49. Greenfield. Hex Key - Wikipedia.-. Larger Allen Driver Sizes: Differ-ence in 1/1000s of an inch: Size in Inches: Stan-dard SAE Hex Key Sizes (inches) Metric Hex Key Sizes (mm) Notes - compares Standard and Metric Allen wrench sizes (where they CLOSELY match, and where they don't - wrench equivalence) 27: 0.40625: 13/32 - 4.43: 0.43307: 11: Close - 7/16. Bolt Thread Length. Per ASME B18.2.1, the nominal thread length of inch-series bolts can be found by: where L is the total bolt length and d nom is the nominal bolt diameter.. Hex Bolt Head Dimensions. The following table of hex bolt head dimensions was adapted from ASME B18.6.3, Table 29, Dimensions of Plain (Unslotted) and Slotted Regular and Large Hex Head Screws
I've used a 17mm allen wrench with a 17mm box wrench over it, near the bolt, for leverage. _____ 1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2005 Yukon, 2004 Frontier King Cab Hex Bolt Dimensions. DIN 933 & ISO4017 & UNI5739 DIN 931 & ISO4014 & UNI5737 DIN 558 & ISO4018 BS 1083 BS 1768 ASME B18.2.1 DIN-EN14399-4 DIN 601 & ISO 4016 & CSN 21301 & EU 24016 DIN 7968 DIN 7990 & CSN 21308
Anyone know off the top of their head what size Allen/Hex key one needs to bolt one of these on/off ? Many thanks in advance. BMC Pro Machine Enigma Ego. 0. Posts. Slow Downcp Posts: 3,041. May 2009. 8mm . Carlsberg don't make cycle clothing, but if they did it would probably still not be as good as Assos. 0. Brocade Posts: 433 . Our range of allen key products include button head, socket head, countersunk head, grub screws and shoulder screws in high tensile and stainless. Button Head Cap Screws
Step 3: Big Emotional Payoff! Insert your new allen wrench into the bolt head. Turn slowly. If the wrench slips, it has been stripped (wood is soft), go back to step 2. If the bolt is satisfactorily tightened, celebrate! Then do what it takes to find a real allen wrench, and get this baby tightened down for real Need to know what size allen wrench to take off front disc brakes on 2000 chevy silverado 4.8 l. The caliper guide pins will usually have either a 3/8 inch or a 5/16 inch allen head bolt. If the brake calipers are found to have phenolic pistons then it would be advisable to change them with calipers that have metal pistons Another cheap option is to buy a coupler in the size of the allen head, and put a socket on the other end. I've been in a situation (removing a Suzuki wheel axle) where the bolts + 2 locking nuts trick wouldn't work and it took all day to figure out that I could buy a $3 part at the hardware store and have it handled in seconds 6500-14 - 14mm Allen Socket Picture 5 6500-17 - 17mm Allen Socket Picture 6 6500 X-30 - 30mm, 12-Pt. Socket Picture 7 6500 X-32 - 32mm, 12-Pt. Socket _____ The tools above are related to removing the axle nut. The inner part which is bolted to the transmission most likely uses what is called a triple square spline type tool Bolts/Nuts/Screws. Cannon Lug Nuts UPLN. $16.99. UPLN. Cannon Metric Wing Nuts . $26.99. Based On Size. Ludwig Cymbal Wing Screws P39591P. $9.95. P39591P. Pearl 10mm Wing Bolt UGB-610/2. $6.99. Pearl Pedal Drive Shaft 10mm Key Bolt KB... $3.99. KB-610. Pearl Pedal Key Bolt KB-608. $3.99. KB-608. Pearl Replacement Wing Bolt M8 x 20mm.
860. 666. 990. 740. 1060. 845. Proper torque spec varies depending on the material, bolt grade or if lubrication is used such as oil, wax, or anti-seize. Always go to the manufacturer for proper torque specifications. The chart above is an approximate estimate of torque values and have not been validated for accuracy 3)using a 7 MM allen wrench, remove the brake caliper. 4) using 18 MM box wrench, remove the caliper housing assembly off of the wheel hub. 5) using a star wrench, unscrew the rotor locking screw from the rotor. 6) squirt some liquid wrench on the rotor hub and knock the rotor with a hammer to work the liquid wrench in QUOTE=MJB8;186060]I had the same issue ound a metric bolt with a 11 head and threw on 2 11 mm nuts locked them togehter and used a 11 mm socket and the head of the bolt in the caliper, walked it rightout. PS a 10 MM hex drive will get them out and not ruin them. Just need to back the drive up a bit in the caliper bolt
15.00. 8.0 x 1.25. 12.70. 15.00. If you need a longer Male Thread than shown in the table above, you may add your requirement. For example, B = 3.0 x .5 Thread, B = 7.5 MM Length. NOTE: When the body length L is less than or equal to the thread depth A, we will provide the maximum number of threads possible M5 A2 Stainless Steel, Socket Button / Dome Head, Allen Screws Bolts ISO 7380 Pitch (mm): 1.75 Allen key Size (mm): 8 Stainless Steel A2 (304) Metric Button Head Socket Screws. ISO 7380 & BS 4168 Low profile dome head, gives a smooth attractive appearance... Allen Keys (mm Sizes) Brown Finish. Generally Conforming to IS 3082-1988. Brown allen keys are made from special grade alloy steel which withstands upto 30% higher torque as compared to allen keys made from CrV Steel.Higher hardness of 57 to 62 HRC offered in case of brown allen keys along with superior steel properties enables upto 30% higher wear resistance as compared to CrV steel Allen Keys A Tool Box Must-Have: Hex and Torx Keys. A hex key, also known as an Allen wrench, is a simple but essential tool used to drive hexagonal bolts and screws into their heads. Commonly used for appliances, toys, automotive applications and furniture, a hex key set is a necessity for any tool box. A torx key is used exactly the same way as a hex.
HEX FLANGE BOLTS & SCREWS DIN 6921 STRENGTH GRADE 4.8 8.8 Thread size Pitch dc k L≤125 125 ＜L≤200 L＞200 e S L b mm DIN 603 STRENGTH GRADE 4.8 8.8 MUSHROOM HEAD SQUARE NECK BOLTS k Thread size Pitch-16.55 4.6 3.88 M6 1 18 24 6.48 M8 1.25 22 28 41 20.65 5.6 4.88 45 24.65 6.6 5.38 M10 1.5 26 32 49 30.65 8.75 6.95 M12 1.75 30 36 12.7 30-100. May 18, 2019 - Hex Bolt Dimensions & Hex Cap Screw Dimensions Have you ever wondered how thick is the head of the bolt that I just bought? Well, good news is that fasteners are made to universal specifications that are known globally Get keyed up with versatile hex key sets from Canadian Tire - perfect for furniture assembly, bike repairs and more. Shop online and pick up at one of 500+ stores
Dapetz ® 10pc Impact HEX BIT Socket Set 1/2 Drive 3mm-17mm Allen Key Storage Case. 4.1 out of 5 stars 4. £17.99. Hex head cap screws are typically used to create a bolted joint, in which a threaded shaft exactly fits a corresponding tapped hole or nut. Grade 2 screws tend to be used in construction for joining wood components. Grade 5 screws are used in small engines. Grade 8 screws provide high tensile strength. One advantage cap screw fasteners have. Autozone aftermarket hex size does not automatically translate into OE size. If you want, you can take the entire carier/caliper out and take your time with the floating pin bolts. This can be accomplished by loosening 2 bolts on the carrier, remember to compress the caliper piston with a C-clamp, open the reservoir while doing it The Caliper bushing pins are allen head sockets, and use a proprietary size, none of the common sizes fit properly, but I was able to remove and install them using a 7/16 allen key, even though it was loose in the socket I was able to get it done without damage. The next higher size, metric or standard was too big and wouldn't fit
Step 2. Multiply the first number which is the bolt size in inches or millimeters, by 1.5 using a pocket calculator, if necessary. For example, for the numbers in Step 1, 1/2 x 1.5 = .75 or 3/4, which is the wrench size needed for this standard-sized bolt Bolt Torque Specifications METRIC: Bolt Size Millimeters: Coarse Thread Pitch: Standard 5D 71,160 psi Med. Carbon Steel: Standard 8G 113,800 psi Med Carbon Steel: Standard 10K 142,000 psi Med Carbon Steel: Standard 12K 170,674 psi Med Cabon Steel: Standard Dry Torque in Foot-Pounds: 6mm: 1.00: 5: 6: 8: 10: 8m . United Fasteners supplies a wide range of medium to high carbon steel, heat treated and hardened bolts, available in an extensive selection of sizes and finishes. Custom and exotic fasteners are also available to order on request. Hex Primo crank spindle bolt kit for OLDER Primo cranks For OG SOLID SPINDLE Comes with 2) #8mm SIZE spindle bolts, Profile 19mm Spindle 1/16 Washer (Set of 2) $2.9 BONDHUS 17mm Allen Key Metric . SKU#.40887 $ 38 95. Add to Cart. View Details. Add to Wishlist Add to Compare $ 38 95. Add to Cart. BONDHUS 5.0Mm Ball End L-Wrench Tag-Bar . SKU#.40839 $ 10 85. Add to Cart. View Details. Add to Wishlist Add to Compare $.
Size Size Hex Nut Nylock Nut Nylock Nut Hex Weld Nut Hex Lock Nut Hex Nut Hex Nut Nylock Nut Hex Serrated Flange Nut Hex Coupling Nut M6 to M80 M6 to M20 (Gr. 8) M10 to M24 (Gr. 10) M6 to M20 (Gr. 8) M10 to M24 (Gr. 10) M6 to M12 M3 to M64 Standard Standard ISO 4032 DIN 982 DIN 985 DIN 929 DIN 439, A563 Property Class Grade 8 & 10 8 & 10 8 & 10. Fits: 14mmx1.5 Bolt, Hex Size 17mm, Stem Length 1.08 (27.3mm), 1.98(50.3mm) Overall, Please Verify Your Required Stem Length Before Ordering, Wheel Bolt Lock Set - 14mmx1.5 Bolt - Cone Seat $28.43 Gorilla 47018N - Gorilla Bolt Lock 5/8-11 chrome button head allen bolt $3.00 : dzus spring (s6-300) $1.10 $0.75 small block chevy (drilled) stainless steel header bolt kit $32.44 : black aluminum hex pipe plug $1.98 : 2mm-0.50 pan phillips machine screw $0.03 : ford stainless steel coil bracket kit $3.69 : chevy big block head bolt kit $97.03 : stainless steel metric lock. Screw Type: S Surface & C Case Hardness: Core Hardness (After Temper) Material: Tapping Type A/AB/B (S)Rockwell C45 min: Rockwell C28-38: AISI 1016-1024 or Equivalent Stee