Grade 12.9 is the highest common commercial grade at 1220 MPa tensile / 1100 MPa yield, used for socket head screws and highly stressed joints. Specify Dacromet or black oxide, not electroplated zinc.
In stock now: 3,041 lines; covering Screws (2,616), Socket Head Screws (1,944), DIN912 (1,262), Set Screws (414), DIN916 (309); priced from $0.0039 per piece. Every line is sold by the piece — one piece is a valid order — and volume discounts apply automatically from 5%.
Related values on the same axis
140-170 HV 210-280HV30 420-545HV30 430-510HV 45H 460-560HV30 64 HRC A2-035 A2-50 A2-70
Product families covered
Screws 2,616 Socket Head Screws 1,944 DIN912 1,262 Set Screws 414 DIN916 309 Bolts 272 Hex Bolts 265 ANSI/ASME B18.3SH( Knurled ) 217 ISO7379 Knurled 216 Shoulder Screws 216 DIN7991 168 ISO7380 161
Frequently asked
| Product | Diameter × Length | Material | Stock | Unit price | ||
|---|---|---|---|---|---|---|
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DIN 912 Socket Head Cap Screw M2x20 40Cr Alloy Steel
Black Nickel Plated |
M2 × 20 | 40Cr Alloy Steel | In stock | $0.0492 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x16 40Cr Alloy Steel
Black Nickel Plated |
M2 × 16 | 40Cr Alloy Steel | In stock | $0.0428 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x14 40Cr Alloy Steel
Black Nickel Plated |
M2 × 14 | 40Cr Alloy Steel | In stock | $0.0427 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x12 40Cr Alloy Steel
Black Nickel Plated |
M2 × 12 | 40Cr Alloy Steel | In stock | $0.0365 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x10 40Cr Alloy Steel
Black Nickel Plated |
M2 × 10 | 40Cr Alloy Steel | In stock | $0.0322 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x8 40Cr Alloy Steel
Black Nickel Plated |
M2 × 8 | 40Cr Alloy Steel | In stock | $0.0319 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x6 40Cr Alloy Steel
Black Nickel Plated |
M2 × 6 | 40Cr Alloy Steel | In stock | $0.0317 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x5 40Cr Alloy Steel
Black Nickel Plated |
M2 × 5 | 40Cr Alloy Steel | In stock | $0.0316 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x4 40Cr Alloy Steel
Black Nickel Plated |
M2 × 4 | 40Cr Alloy Steel | In stock | $0.0315 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x3 40Cr Alloy Steel
Black Nickel Plated |
M2 × 3 | 40Cr Alloy Steel | In stock | $0.0313 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x50 40Cr Alloy Steel
Black Oxide (Hardened) |
M2 × 50 | 40Cr Alloy Steel | In stock | $0.0670 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x40 40Cr Alloy Steel
Black Oxide (Hardened) |
M2 × 40 | 40Cr Alloy Steel | In stock | $0.0540 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x38 40Cr Alloy Steel
Black Oxide (Hardened) |
M2 × 38 | 40Cr Alloy Steel | In stock | $0.0503 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x35 40Cr Alloy Steel
Black Oxide (Hardened) |
M2 × 35 | 40Cr Alloy Steel | In stock | $0.0447 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x32 40Cr Alloy Steel
Black Oxide (Hardened) |
M2 × 32 | 40Cr Alloy Steel | In stock | $0.0335 | Add to cart |
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DIN 912 Socket Head Cap Screw M2x30 40Cr Alloy Steel
Black Oxide (Hardened) |
M2 × 30 | 40Cr Alloy Steel | In stock | $0.0316 | Add to cart |

