Choose a hex head fastener with the right threading, thread size, material, and strength for your equipment.
Medium-Strength Metric Class 8.8 Steel Hex Head Screws


Twice as strong as low-strength steel screws, these metric Class 8.8 steel screws can be used to fasten most machinery and equipment. Dimensions meet ISO (formerly DIN) or DIN specifications. Length is measured from under the head.
Zinc-plated steel screws are a good choice for most applications. They resist corrosion in wet environments.
Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the pitch. Screws that meet SAE specifications comply with testing standards for material quality.
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing | Wd., mm | Ht., mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Class 8.8 Steel | ||||||||||
M6 × 1 mm | ||||||||||
| 8 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 100 | 91280A321 | 000000 |
| 10 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 100 | 91280A322 | 00000 |
| 12 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 100 | 91280A324 | 00000 |
| 14 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 100 | 91280A325 | 00000 |
| 16 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 100 | 91280A326 | 00000 |
| 18 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 100 | 91280A328 | 00000 |
| 20 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 100 | 91280A330 | 00000 |
| 22 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 100 | 91280A332 | 00000 |
| 25 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 100 | 91280A334 | 00000 |
| 30 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A338 | 00000 |
| 35 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A340 | 00000 |
| 40 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A342 | 00000 |
| 45 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A344 | 00000 |
| 50 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A346 | 00000 |
| 55 | Partially Threaded | 18 | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 50 | 91280A348 | 00000 |
| 60 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A349 | 00000 |
| 60 | Partially Threaded | 18 | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A350 | 00000 |
| 65 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 10 | 91280A361 | 0000 |
| 65 | Partially Threaded | 18 | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A351 | 00000 |
| 70 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 25 | 91280A366 | 00000 |
| 70 | Partially Threaded | 18 | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A352 | 0000 |
| 80 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 25 | 91280A376 | 00000 |
| 80 | Partially Threaded | 18 | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A354 | 00000 |
| 90 | Partially Threaded | 18 | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A356 | 00000 |
| 100 | Fully Threaded | __ | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 25 | 91280A396 | 00000 |
| 100 | Partially Threaded | 18 | Coarse | 10 | 4 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A358 | 00000 |
M8 × 1.25 mm | ||||||||||
| 12 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A524 | 00000 |
| 14 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A525 | 00000 |
| 16 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A526 | 00000 |
| 20 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A530 | 00000 |
| 22 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 25 | 91280A532 | 00000 |
| 25 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A534 | 00000 |
| 30 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A538 | 00000 |
| 35 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A540 | 00000 |
| 40 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A542 | 00000 |
| 45 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 50 | 91280A544 | 00000 |
| 50 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 25 | 91280A546 | 00000 |
| 55 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 25 | 91280A551 | 00000 |
| 55 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A548 | 00000 |
| 60 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 25 | 91280A556 | 00000 |
| 60 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A550 | 00000 |
| 65 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A552 | 00000 |
| 70 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 25 | 91280A566 | 00000 |
| 70 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A554 | 00000 |
| 75 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A557 | 00000 |
| 80 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 25 | 91280A558 | 00000 |
| 85 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 10 | 91280A559 | 0000 |
| 90 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 10 | 91280A560 | 0000 |
| 100 | Fully Threaded | __ | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 10 | 91280A596 | 00000 |
| 100 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 10 | 91280A562 | 0000 |
| 110 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 10 | 91280A565 | 00000 |
| 120 | Partially Threaded | 22 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 10 | 91280A567 | 00000 |
| 130 | Partially Threaded | 28 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 10 | 91280A569 | 00000 |
| 140 | Partially Threaded | 28 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 10 | 91280A571 | 00000 |
| 150 | Partially Threaded | 28 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 10 | 91280A574 | 00000 |
| 160 | Partially Threaded | 28 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 10 | 91280A577 | 00000 |
| 180 | Partially Threaded | 28 | Coarse | 13 | 5.3 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 5 | 91280A580 | 00000 |
M16 × 2 mm | ||||||||||
| 25 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 10 | 91280A837 | 00000 |
| 30 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 10 | 91280A838 | 00000 |
| 35 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 10 | 91280A839 | 00000 |
| 40 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 10 | 91280A840 | 00000 |
| 45 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 10 | 91280A842 | 00000 |
| 50 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 10 | 91280A844 | 00000 |
| 55 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 5 | 91280A845 | 00000 |
| 60 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 5 | 91280A851 | 00000 |
| 60 | Partially Threaded | 38 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 10 | 91280A846 | 00000 |
| 65 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 5 | 91280A011 | 00000 |
| 70 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 5 | 91280A012 | 00000 |
| 70 | Partially Threaded | 38 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 5 | 91280A848 | 00000 |
| 75 | Partially Threaded | 38 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 5 | 91280A849 | 00000 |
| 80 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 1 | 91280A872 | 0000 |
| 80 | Partially Threaded | 38 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 5 | 91280A850 | 00000 |
| 90 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 5 | 91280A877 | 00000 |
| 90 | Partially Threaded | 38 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 5 | 91280A852 | 00000 |
| 100 | Fully Threaded | __ | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 1 | 91280A855 | 0000 |
| 100 | Partially Threaded | 38 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 5 | 91280A854 | 00000 |
| 110 | Partially Threaded | 38 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A856 | 0000 |
| 120 | Partially Threaded | 38 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 5 | 91280A858 | 00000 |
| 140 | Partially Threaded | 44 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A862 | 0000 |
| 150 | Partially Threaded | 44 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A866 | 0000 |
| 160 | Partially Threaded | 44 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A868 | 0000 |
| 200 | Partially Threaded | 44 | Coarse | 24 | 10 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A748 | 0000 |
M20 × 2.5 mm | ||||||||||
| 30 | Fully Threaded | __ | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 5 | 91280A881 | 00000 |
| 35 | Fully Threaded | __ | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 5 | 91280A882 | 00000 |
| 40 | Fully Threaded | __ | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 5 | 91280A883 | 00000 |
| 45 | Fully Threaded | __ | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 5 | 91280A884 | 00000 |
| 50 | Fully Threaded | __ | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 1 | 91280A885 | 0000 |
| 55 | Fully Threaded | __ | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 1 | 91280A886 | 0000 |
| 60 | Fully Threaded | __ | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 1 | 91280A013 | 0000 |
| 60 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 5 | 91280A887 | 00000 |
| 65 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A478 | 0000 |
| 70 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 5 | 91280A889 | 00000 |
| 75 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A971 | 0000 |
| 80 | Fully Threaded | __ | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 1 | 91280A911 | 0000 |
| 80 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A890 | 0000 |
| 90 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A891 | 0000 |
| 100 | Fully Threaded | __ | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 1 | 91280A926 | 0000 |
| 100 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A892 | 0000 |
| 110 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A893 | 0000 |
| 120 | Partially Threaded | 46 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A894 | 0000 |
| 140 | Partially Threaded | 52 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A896 | 0000 |
| 150 | Partially Threaded | 52 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A897 | 0000 |
| 160 | Partially Threaded | 52 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A899 | 0000 |
| 180 | Partially Threaded | 52 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A902 | 0000 |
| 200 | Partially Threaded | 52 | Coarse | 30 | 12.5 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A905 | 00000 |
M24 × 3 mm | ||||||||||
| 40 | Fully Threaded | __ | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 1 | 91280A918 | 0000 |
| 50 | Fully Threaded | __ | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 1 | 91280A923 | 0000 |
| 60 | Fully Threaded | __ | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 1 | 91280A925 | 0000 |
| 80 | Fully Threaded | __ | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4017, DIN 933, SAE J1199 | 1 | 91280A014 | 0000 |
| 80 | Partially Threaded | 54 | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A929 | 0000 |
| 100 | Partially Threaded | 54 | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A933 | 0000 |
| 110 | Partially Threaded | 54 | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A015 | 00000 |
| 120 | Partially Threaded | 54 | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A937 | 0000 |
| 130 | Partially Threaded | 60 | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A939 | 0000 |
| 140 | Partially Threaded | 60 | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A941 | 0000 |
| 150 | Partially Threaded | 60 | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A943 | 00000 |
| 160 | Partially Threaded | 60 | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A945 | 00000 |
| 180 | Partially Threaded | 60 | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A948 | 00000 |
| 200 | Partially Threaded | 60 | Coarse | 36 | 15 | 110,000 | ISO 898-1, ISO 4014, DIN 931, SAE J1199 | 1 | 91280A951 | 00000 |
High-Strength Metric Class 10.9 Steel Flanged Hex Head Screws


Use 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. The flange distributes pressure where the screw meets the surface, so you don’t need a separate washer. All screws meet ISO or SAE specifications for material quality. Head height includes the flange. Length is measured from under the flange.
Black-phosphate steel screws are mildly corrosion resistant in dry environments.
Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the threads per inch. Screws that meet ASME or DIN specifications are made to strict dimensional standards.
Head, mm | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing | Wd. | Ht. | Flange Dia., mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Black-Phosphate Class 10.9 Steel | |||||||||||
M8 × 1.25 mm | |||||||||||
| 20 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 50 | 98093A538 | 000000 |
| 25 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 50 | 98093A543 | 00000 |
| 30 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 50 | 98093A548 | 00000 |
| 35 | Partially Threaded | 22 | Coarse | 13 | 8.1 | 18 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 50 | 98093A553 | 00000 |
| 40 | Partially Threaded | 22 | Coarse | 13 | 8.1 | 18 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 50 | 98093A558 | 00000 |
| 45 | Partially Threaded | 22 | Coarse | 13 | 8.1 | 18 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 25 | 98093A562 | 00000 |
| 50 | Partially Threaded | 22 | Coarse | 13 | 8.1 | 18 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 25 | 98093A564 | 00000 |
| 60 | Partially Threaded | 22 | Coarse | 13 | 8.1 | 18 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 25 | 98093A566 | 00000 |
M10 × 1.5 mm | |||||||||||
| 20 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 25 | 98093A614 | 00000 |
| 25 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 25 | 98093A619 | 00000 |
| 30 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 25 | 98093A624 | 00000 |
| 40 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 25 | 98093A634 | 00000 |
| 45 | Partially Threaded | 26 | Coarse | 15 | 10.4 | 22.3 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A636 | 00000 |
| 50 | Partially Threaded | 26 | Coarse | 15 | 10.4 | 22.3 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A638 | 00000 |
| 60 | Partially Threaded | 26 | Coarse | 15 | 10.4 | 22.3 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A642 | 00000 |
| 70 | Partially Threaded | 26 | Coarse | 15 | 10.4 | 22.3 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A644 | 00000 |
| 80 | Partially Threaded | 26 | Coarse | 15 | 10.4 | 22.3 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A646 | 00000 |
| 90 | Partially Threaded | 26 | Coarse | 15 | 10.4 | 22.3 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A648 | 00000 |
| 100 | Partially Threaded | 26 | Coarse | 15 | 10.4 | 22.3 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A652 | 00000 |
M12 × 1.75 mm | |||||||||||
| 25 | Fully Threaded | __ | Coarse | 18 | 11.8 | 26.6 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A746 | 00000 |
| 30 | Fully Threaded | __ | Coarse | 18 | 11.8 | 26.6 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A751 | 00000 |
| 35 | Fully Threaded | __ | Coarse | 18 | 11.8 | 26.6 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A756 | 00000 |
| 40 | Fully Threaded | __ | Coarse | 18 | 11.8 | 26.6 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A761 | 00000 |
| 50 | Partially Threaded | 30 | Coarse | 18 | 11.8 | 26.6 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A771 | 00000 |
| 60 | Partially Threaded | 30 | Coarse | 18 | 11.8 | 26.6 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A773 | 00000 |
| 70 | Partially Threaded | 30 | Coarse | 18 | 11.8 | 26.6 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A775 | 00000 |
| 80 | Partially Threaded | 30 | Coarse | 18 | 11.8 | 26.6 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 10 | 98093A777 | 00000 |
| 90 | Partially Threaded | 30 | Coarse | 18 | 11.8 | 26.6 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 5 | 98093A779 | 00000 |
| 100 | Partially Threaded | 30 | Coarse | 18 | 11.8 | 26.6 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 5 | 98093A781 | 00000 |
M16 × 2 mm | |||||||||||
| 30 | Fully Threaded | __ | Coarse | 24 | 15.4 | 35 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 5 | 98093A858 | 00000 |
| 35 | Fully Threaded | __ | Coarse | 24 | 15.4 | 35 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 5 | 98093A860 | 00000 |
| 40 | Fully Threaded | __ | Coarse | 24 | 15.4 | 35 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 5 | 98093A865 | 00000 |
| 50 | Fully Threaded | __ | Coarse | 24 | 15.4 | 35 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 5 | 98093A875 | 00000 |
| 60 | Partially Threaded | 38 | Coarse | 24 | 15.4 | 35 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 5 | 98093A885 | 00000 |
| 70 | Partially Threaded | 38 | Coarse | 24 | 15.4 | 35 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 5 | 98093A895 | 00000 |
| 80 | Partially Threaded | 38 | Coarse | 24 | 15.4 | 35 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 5 | 98093A896 | 00000 |
| 90 | Partially Threaded | 38 | Coarse | 24 | 15.4 | 35 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 5 | 98093A897 | 00000 |
| 100 | Partially Threaded | 38 | Coarse | 24 | 15.4 | 35 | 150,000 | ASME B18.2.3.9M, SAE J1199 | 1 | 98093A898 | 0000 |

























