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High-Strength Metric Class 10.9 Steel Hex Head Screws
Fully Threaded
Partially Threaded
Choose these Class 10.9 steel screws for high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are at least 25% stronger than medium-strength steel screws. Dimensions meet ISO (formerly DIN) or DIN specifications. Length is measured from under the head.
Zinc yellow-chromate plated steel and zinc-plated steel screws are a good choice for most applications and resist corrosion in wet environments. Those that are blue dyed are easy to distinguish.
Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the pitch.
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing  | Wd., mm | Ht., mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Blue-Dyed Zinc-Plated Class 10.9 Steel | ||||||||||
M6 × 1 mm | ||||||||||
| 16 | Fully Threaded | __ | Coarse | 10 | 4 | 150,000 | ISO 4017, DIN 933 | 50 | 000000000 | 000000 |
| 20 | Fully Threaded | __ | Coarse | 10 | 4 | 150,000 | ISO 4017, DIN 933 | 50 | 000000000 | 00000 |
| 25 | Fully Threaded | __ | Coarse | 10 | 4 | 150,000 | ISO 4017, DIN 933 | 25 | 000000000 | 0000 |
| 30 | Partially Threaded | 18 | Coarse | 10 | 4 | 150,000 | ISO 4014, DIN 931 | 25 | 000000000 | 0000 |
| 35 | Partially Threaded | 18 | Coarse | 10 | 4 | 150,000 | ISO 4014, DIN 931 | 25 | 000000000 | 00000 |
| 40 | Partially Threaded | 18 | Coarse | 10 | 4 | 150,000 | ISO 4014, DIN 931 | 25 | 000000000 | 00000 |
| 50 | Partially Threaded | 18 | Coarse | 10 | 4 | 150,000 | ISO 4014, DIN 931 | 25 | 000000000 | 00000 |
M8 × 1.25 mm | ||||||||||
| 16 | Fully Threaded | __ | Coarse | 13 | 5.3 | 150,000 | ISO 4017, DIN 933 | 25 | 000000000 | 00000 |
| 20 | Fully Threaded | __ | Coarse | 13 | 5.3 | 150,000 | ISO 4017, DIN 933 | 25 | 000000000 | 00000 |
| 25 | Fully Threaded | __ | Coarse | 13 | 5.3 | 150,000 | ISO 4017, DIN 933 | 25 | 000000000 | 00000 |
| 30 | Fully Threaded | __ | Coarse | 13 | 5.3 | 150,000 | ISO 4017, DIN 933 | 25 | 000000000 | 00000 |
| 35 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 150,000 | ISO 4014, DIN 931 | 10 | 000000000 | 0000 |
| 40 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 150,000 | ISO 4014, DIN 931 | 10 | 000000000 | 0000 |
| 50 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 150,000 | ISO 4014, DIN 931 | 10 | 000000000 | 0000 |
| 60 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 150,000 | ISO 4014, DIN 931 | 10 | 000000000 | 00000 |
| 70 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 150,000 | ISO 4014, DIN 931 | 10 | 000000000 | 00000 |
| 80 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 150,000 | ISO 4014, DIN 931 | 10 | 000000000 | 00000 |
M10 × 1.5 mm | ||||||||||
| 20 | Fully Threaded | __ | Coarse | 17 | 6.4 | 150,000 | DIN 933 | 10 | 000000000 | 0000 |
| 25 | Fully Threaded | __ | Coarse | 17 | 6.4 | 150,000 | DIN 933 | 10 | 000000000 | 0000 |
| 30 | Fully Threaded | __ | Coarse | 17 | 6.4 | 150,000 | DIN 933 | 10 | 000000000 | 00000 |
| 35 | Fully Threaded | __ | Coarse | 17 | 6.4 | 150,000 | DIN 933 | 10 | 000000000 | 00000 |
| 40 | Partially Threaded | 26 | Coarse | 17 | 6.4 | 150,000 | ISO 4014, DIN 931 | 10 | 000000000 | 00000 |
| 50 | Partially Threaded | 26 | Coarse | 17 | 6.4 | 150,000 | ISO 4014, DIN 931 | 5 | 000000000 | 0000 |
| 60 | Partially Threaded | 26 | Coarse | 17 | 6.4 | 150,000 | ISO 4014, DIN 931 | 5 | 000000000 | 0000 |
| 70 | Partially Threaded | 26 | Coarse | 17 | 6.4 | 150,000 | ISO 4014, DIN 931 | 5 | 000000000 | 00000 |
| 75 | Partially Threaded | 26 | Coarse | 17 | 6.4 | 150,000 | ISO 4014, DIN 931 | 5 | 000000000 | 00000 |
| 80 | Partially Threaded | 26 | Coarse | 17 | 6.4 | 150,000 | ISO 4014, DIN 931 | 5 | 000000000 | 00000 |
| 90 | Partially Threaded | 26 | Coarse | 17 | 6.4 | 150,000 | ISO 4014, DIN 931 | 5 | 000000000 | 00000 |
| 100 | Partially Threaded | 26 | Coarse | 17 | 6.4 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 120 | Partially Threaded | 26 | Coarse | 17 | 6.4 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
M12 × 1.75 mm | ||||||||||
| 20 | Fully Threaded | __ | Coarse | 19 | 7.5 | 150,000 | DIN 933 | 5 | 000000000 | 0000 |
| 25 | Fully Threaded | __ | Coarse | 19 | 7.5 | 150,000 | DIN 933 | 5 | 000000000 | 0000 |
| 30 | Fully Threaded | __ | Coarse | 19 | 7.5 | 150,000 | DIN 933 | 5 | 000000000 | 0000 |
| 35 | Fully Threaded | __ | Coarse | 19 | 7.5 | 150,000 | DIN 933 | 5 | 000000000 | 0000 |
| 40 | Fully Threaded | __ | Coarse | 19 | 7.5 | 150,000 | DIN 933 | 5 | 000000000 | 0000 |
| 45 | Fully Threaded | __ | Coarse | 19 | 7.5 | 150,000 | DIN 933 | 5 | 000000000 | 00000 |
| 50 | Partially Threaded | 30 | Coarse | 19 | 7.5 | 150,000 | ISO 4014, DIN 931 | 5 | 000000000 | 00000 |
| 60 | Partially Threaded | 30 | Coarse | 19 | 7.5 | 150,000 | ISO 4014, DIN 931 | 5 | 000000000 | 00000 |
| 70 | Partially Threaded | 30 | Coarse | 19 | 7.5 | 150,000 | ISO 4014, DIN 931 | 5 | 000000000 | 00000 |
| 80 | Partially Threaded | 30 | Coarse | 19 | 7.5 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 90 | Partially Threaded | 30 | Coarse | 19 | 7.5 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 100 | Partially Threaded | 30 | Coarse | 19 | 7.5 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 110 | Partially Threaded | 30 | Coarse | 19 | 7.5 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 120 | Partially Threaded | 30 | Coarse | 19 | 7.5 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
M16 × 2 mm | ||||||||||
| 30 | Fully Threaded | __ | Coarse | 24 | 10 | 150,000 | ISO 4017, DIN 933 | 5 | 000000000 | 00000 |
| 35 | Fully Threaded | __ | Coarse | 24 | 10 | 150,000 | ISO 4017, DIN 933 | 1 | 000000000 | 0000 |
| 40 | Fully Threaded | __ | Coarse | 24 | 10 | 150,000 | ISO 4017, DIN 933 | 1 | 000000000 | 0000 |
| 45 | Fully Threaded | __ | Coarse | 24 | 10 | 150,000 | ISO 4017, DIN 933 | 1 | 000000000 | 0000 |
| 50 | Fully Threaded | __ | Coarse | 24 | 10 | 150,000 | ISO 4017, DIN 933 | 1 | 000000000 | 0000 |
| 60 | Partially Threaded | 38 | Coarse | 24 | 10 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 70 | Partially Threaded | 38 | Coarse | 24 | 10 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 80 | Partially Threaded | 38 | Coarse | 24 | 10 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 100 | Partially Threaded | 38 | Coarse | 24 | 10 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 120 | Partially Threaded | 38 | Coarse | 24 | 10 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 140 | Partially Threaded | 38 | Coarse | 24 | 10 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
M20 × 2.5 mm | ||||||||||
| 60 | Fully Threaded | __ | Coarse | 30 | 12.5 | 150,000 | ISO 4017, DIN 933 | 1 | 000000000 | 0000 |
| 70 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 80 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 90 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 0000 |
| 100 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 00000 |
| 120 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 00000 |
| 140 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 00000 |
M24 × 3 mm | ||||||||||
| 80 | Partially Threaded | 54 | Coarse | 36 | 15 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 00000 |
| 90 | Partially Threaded | 54 | Coarse | 36 | 15 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 00000 |
| 100 | Partially Threaded | 54 | Coarse | 36 | 15 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 00000 |
| 120 | Partially Threaded | 54 | Coarse | 36 | 15 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 00000 |
| 140 | Partially Threaded | 54 | Coarse | 36 | 15 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 00000 |
| 150 | Partially Threaded | 54 | Coarse | 36 | 15 | 150,000 | ISO 4014, DIN 931 | 1 | 000000000 | 00000 |