About Socket Head Screws
More
About Hex Head Screws and Bolts
More
Alloy Steel Socket Head Screws


With a tensile strength of 170,000 psi, these alloy steel screws are stronger than Grade 8 steel screws. Length is measured from under the head.
Black-oxide steel screws are mildly corrosion resistant in dry environments.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch.
Screws that meet ASTM A574, ASTM A574M, and ISO 898-1 comply with specifications and testing requirements for material quality. Screws that meet ASME B18.3, ASME B18.3.1M, ISO 21269, and ISO 4762 (formerly DIN 912) comply with specifications for dimensional standards.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M8 × 1.25 mm | |||||||||||
Black-Oxide Class 12.9 Alloy Steel | |||||||||||
8 | Fully Threaded | __ | Coarse | 13 | 8 | 6 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 25 | 000000000 | 000000 |
95 | Partially Threaded | 27 | Coarse | 13 | 8 | 6 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 10 | 000000000 | 00000 |
170 | Partially Threaded | 27 | Coarse | 13 | 8 | 6 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 5 | 000000000 | 00000 |
Head | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M10 × 1.5 mm | |||||||||||
Black-Oxide Class 12.9 Alloy Steel | |||||||||||
95 | Partially Threaded | 31 | Coarse | 16 | 10 | 8 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 10 | 000000000 | 000000 |
170 | Partially Threaded | 31 | Coarse | 16 | 10 | 8 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 5 | 000000000 | 00000 |
190 | Partially Threaded | 31 | Coarse | 16 | 10 | 8 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 1 | 000000000 | 0000 |
Head | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M12 × 1.75 mm | |||||||||||
Black-Oxide Class 12.9 Alloy Steel | |||||||||||
95 | Partially Threaded | 35 | Coarse | 18 | 12 | 10 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 5 | 000000000 | 000000 |
170 | Partially Threaded | 35 | Coarse | 18 | 12 | 10 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 1 | 000000000 | 0000 |
190 | Partially Threaded | 35 | Coarse | 18 | 12 | 10 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 1 | 000000000 | 0000 |
210 | Partially Threaded | 35 | Coarse | 18 | 12 | 10 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 1 | 000000000 | 0000 |
Head | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M16 × 2 mm | |||||||||||
Black-Oxide Class 12.9 Alloy Steel | |||||||||||
95 | Partially Threaded | 43 | Coarse | 24 | 16 | 14 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 1 | 000000000 | 00000 |
170 | Partially Threaded | 43 | Coarse | 24 | 16 | 14 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 1 | 000000000 | 0000 |
190 | Partially Threaded | 43 | Coarse | 24 | 16 | 14 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 1 | 000000000 | 0000 |
210 | Partially Threaded | 43 | Coarse | 24 | 16 | 14 | 170,000 | DIN 912, ISO 4762, ISO 898-1 | 1 | 000000000 | 0000 |
Left-Hand Threaded Medium-Strength Metric Class 8.8 Steel Hex Head Screws


These Class 8.8 steel screws are suitable for fastening machinery and equipment. Tighten them by turning them to the left; once fastened, they prevent counterclockwise-moving parts from loosening. Material meets ISO 898-1 specifications for quality. Dimensions meet ASME B18.2.3.1M specifications. Length is measured from under the head.
Zinc-plated steel screws resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
---|---|---|---|---|---|---|---|---|
Lg., mm | Threading | Wd., mm | Ht., mm | Thread Spacing | Tensile Strength, psi | Specifications Met | Each | |
Class 8.8 Steel | ||||||||
M6 × 1 mm | ||||||||
12 | Fully Threaded | 10 | 4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 000000 |
16 | Fully Threaded | 10 | 4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
20 | Fully Threaded | 10 | 4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
25 | Fully Threaded | 10 | 4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
30 | Fully Threaded | 10 | 4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
M8 × 1.25 mm | ||||||||
16 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
20 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
25 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
30 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
35 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
40 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
M10 × 1.5 mm | ||||||||
20 | Fully Threaded | 17 | 6.4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
25 | Fully Threaded | 17 | 6.4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
30 | Fully Threaded | 17 | 6.4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
35 | Fully Threaded | 17 | 6.4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
40 | Fully Threaded | 17 | 6.4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
M12 × 1.75 mm | ||||||||
25 | Fully Threaded | 19 | 7.5 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
30 | Fully Threaded | 19 | 7.5 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
35 | Fully Threaded | 19 | 7.5 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
40 | Fully Threaded | 19 | 7.5 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
50 | Fully Threaded | 19 | 7.5 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
M16 × 2 mm | ||||||||
50 | Fully Threaded | 24 | 10 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
Zinc-Plated Class 8.8 Steel | ||||||||
M6 × 1 mm | ||||||||
12 | Fully Threaded | 10 | 4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
16 | Fully Threaded | 10 | 4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
20 | Fully Threaded | 10 | 4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
25 | Fully Threaded | 10 | 4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
30 | Fully Threaded | 10 | 4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
M8 × 1.25 mm | ||||||||
16 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
20 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
25 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
30 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
35 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
40 | Fully Threaded | 13 | 5.3 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
M10 × 1.5 mm | ||||||||
20 | Fully Threaded | 17 | 6.4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
25 | Fully Threaded | 17 | 6.4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
30 | Fully Threaded | 17 | 6.4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
35 | Fully Threaded | 17 | 6.4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
40 | Fully Threaded | 17 | 6.4 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
M12 × 1.75 mm | ||||||||
25 | Fully Threaded | 19 | 7.5 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
30 | Fully Threaded | 19 | 7.5 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
35 | Fully Threaded | 19 | 7.5 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
40 | Fully Threaded | 19 | 7.5 | Coarse | 110,000 | ASME B18.2.3.1M, ISO 898-1 | 000000000 | 00000 |
High-Strength Metric Class 10.9 Steel Flanged Hex Head Screws


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. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. Head height includes the flange. Length is measured from under the flange.
Black-phosphate steel screws are mildly corrosion resistant in dry environments. Zinc yellow-chromate plated steel screws resist corrosion in wet environments.
Screws that meet ISO 898-1 or SAE J1199 comply with specifications and testing requirements for material quality. Screws that meet ASME B18.2.3.9M or DIN 6921 comply with specifications for dimensional standards.
For technical drawings and 3-D models, click on a part number.
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 | |||||||||||
M5 × 0.8 mm | |||||||||||
8 | Fully Threaded | __ | Coarse | 8 | 5.4 | 11.8 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 000000 |
10 | Fully Threaded | __ | Coarse | 8 | 5.4 | 11.8 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
12 | Fully Threaded | __ | Coarse | 8 | 5.4 | 11.8 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
14 | Fully Threaded | __ | Coarse | 8 | 5.4 | 11.8 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
16 | Fully Threaded | __ | Coarse | 8 | 5.4 | 11.8 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
20 | Fully Threaded | __ | Coarse | 8 | 5.4 | 11.8 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
25 | Partially Threaded | 16 | Coarse | 8 | 5.4 | 11.8 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
M6 × 1 mm | |||||||||||
8 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
10 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
12 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
14 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
16 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
18 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
20 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
22 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
25 | Partially Threaded | 18 | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
30 | Partially Threaded | 18 | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
35 | Partially Threaded | 18 | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
40 | Partially Threaded | 18 | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
M8 × 1.25 mm | |||||||||||
10 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
12 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
14 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
16 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
18 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
22 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
M10 × 1.5 mm | |||||||||||
12 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
16 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
18 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
22 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
35 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
55 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
65 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
75 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
110 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
120 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
M12 × 1.75 mm | |||||||||||
16 | Fully Threaded | __ | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
20 | Fully Threaded | __ | Coarse | 16 | 11.8 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
45 | Partially Threaded | 30 | Coarse | 16 | 11.8 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
75 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
110 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 00000 |
120 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 00000 |
M14 × 2 mm | |||||||||||
30 | Fully Threaded | __ | Coarse | 18 | 12.8 | 30.5 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
35 | Fully Threaded | __ | Coarse | 18 | 12.8 | 30.5 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 0000 |
40 | Partially Threaded | 34 | Coarse | 18 | 12.8 | 30.5 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 0000 |
45 | Partially Threaded | 34 | Coarse | 18 | 12.8 | 30.5 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 0000 |
50 | Partially Threaded | 34 | Coarse | 18 | 12.8 | 30.5 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 00000 |
60 | Partially Threaded | 34 | Coarse | 18 | 12.8 | 30.5 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 00000 |
70 | Partially Threaded | 34 | Coarse | 18 | 12.8 | 30.5 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 00000 |
80 | Partially Threaded | 34 | Coarse | 18 | 12.8 | 30.5 | 150,000 | ISO 898-1, DIN 6921 | 1 | 000000000 | 0000 |
90 | Partially Threaded | 34 | Coarse | 18 | 12.8 | 30.5 | 150,000 | ISO 898-1, DIN 6921 | 1 | 000000000 | 0000 |
100 | Partially Threaded | 34 | Coarse | 18 | 12.8 | 30.5 | 150,000 | ISO 898-1, DIN 6921 | 1 | 000000000 | 0000 |
Zinc Yellow-Chromate Plated Class 10.9 Steel | |||||||||||
M6 × 1 mm | |||||||||||
10 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 0000 |
12 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 0000 |
16 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 0000 |
20 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
25 | Partially Threaded | 18 | Coarse | 10 | 6.6 | 14.2 | 150,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
M8 × 1.25 mm | |||||||||||
16 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 0000 |
20 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
25 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
30 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
35 | Partially Threaded | 22 | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
40 | Partially Threaded | 22 | Coarse | 13 | 8.1 | 18 | 150,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
M10 × 1.5 mm | |||||||||||
20 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
25 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
30 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
35 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
40 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
50 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
60 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
70 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
80 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
90 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 0000 |
100 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 0000 |
M12 × 1.75 mm | |||||||||||
30 | Fully Threaded | __ | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
35 | Fully Threaded | __ | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
40 | Fully Threaded | __ | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
50 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 0000 |
60 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 0000 |
70 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 00000 |
80 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 00000 |
90 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 00000 |
100 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 150,000 | ISO 898-1, DIN 6921 | 5 | 000000000 | 00000 |
Medium-Strength Metric Class 8.8 Steel Flanged Hex Head Screws



These Class 8.8 steel screws are suitable for fastening most machinery and equipment. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. All screws meet DIN 6921 specifications for dimensions. Head height includes the flange. Length is measured from under the flange.
Zinc yellow-chromate-plated screws resist corrosion in wet environments. They also meet ISO 898-1 specifications for materials.
For technical drawings and 3-D models, click on a part number.
Head, mm | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing | Wd. | Ht. | Flange Dia., mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc Yellow-Chromate-Plated Class 8.8 Steel | |||||||||||
M5 × 0.8 mm | |||||||||||
10 | Fully Threaded | __ | Coarse | 8 | 5.4 | 11.8 | 110,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 000000 |
12 | Fully Threaded | __ | Coarse | 8 | 5.4 | 11.8 | 110,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
16 | Fully Threaded | __ | Coarse | 8 | 5.4 | 11.8 | 110,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
20 | Fully Threaded | __ | Coarse | 8 | 5.4 | 11.8 | 110,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
M6 × 1 mm | |||||||||||
10 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 110,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
12 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 110,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
14 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 110,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
16 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 110,000 | ISO 898-1, DIN 6921 | 100 | 000000000 | 00000 |
20 | Fully Threaded | __ | Coarse | 10 | 6.6 | 14.2 | 110,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 0000 |
25 | Partially Threaded | 18 | Coarse | 10 | 6.6 | 14.2 | 110,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
30 | Partially Threaded | 18 | Coarse | 10 | 6.6 | 14.2 | 110,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 0000 |
35 | Partially Threaded | 18 | Coarse | 10 | 6.6 | 14.2 | 110,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 0000 |
40 | Partially Threaded | 18 | Coarse | 10 | 6.6 | 14.2 | 110,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
M8 × 1.25 mm | |||||||||||
12 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 110,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
16 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 110,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
20 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 110,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
25 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 110,000 | ISO 898-1, DIN 6921 | 50 | 000000000 | 00000 |
30 | Fully Threaded | __ | Coarse | 13 | 8.1 | 18 | 110,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
35 | Partially Threaded | 22 | Coarse | 13 | 8.1 | 18 | 110,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
40 | Partially Threaded | 22 | Coarse | 13 | 8.1 | 18 | 110,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
50 | Partially Threaded | 22 | Coarse | 13 | 8.1 | 18 | 110,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
M10 × 1.5 mm | |||||||||||
20 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 110,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
25 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 110,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
30 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 110,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
35 | Fully Threaded | __ | Coarse | 15 | 9.2 | 22.3 | 110,000 | ISO 898-1, DIN 6921 | 25 | 000000000 | 00000 |
40 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 110,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
45 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 110,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
50 | Partially Threaded | 26 | Coarse | 15 | 9.2 | 22.3 | 110,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
M12 × 1.75 mm | |||||||||||
25 | Fully Threaded | __ | Coarse | 16 | 11.5 | 26.6 | 110,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
30 | Fully Threaded | __ | Coarse | 16 | 11.5 | 26.6 | 110,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
35 | Fully Threaded | __ | Coarse | 16 | 11.5 | 26.6 | 110,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
40 | Fully Threaded | __ | Coarse | 16 | 11.5 | 26.6 | 110,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
45 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 110,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 0000 |
50 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 110,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |
60 | Partially Threaded | 30 | Coarse | 16 | 11.5 | 26.6 | 110,000 | ISO 898-1, DIN 6921 | 10 | 000000000 | 00000 |