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Stainless steel flanged hex bolts are designed to withstand harsh environmental conditions without compromising performance.
Produced with premium stainless steel, our A2-70 304 stainless flange head bolts offer durability and resistance to rust, ensuring long-term use in various industries like construction, automotive, and infrastructure. These stainless steel flanged hex bolts provide a reliable fastening solution, while the flanged hex head design adds extra stability during installation.
| Name | Hex Flange Bolts | Materials | Carbon Steel/Stainless Steel |
| Standards | DIN ISO ANC BSW JIS etc. | Strength level | 4.8 8.8 10.9 12.9 A2-70 A4-70 A4-80 |
| Size | M3-M50 | Surface finish | ZPHDGBLACKDacromet etc. |
| Length | 15-500 | Samples | Available |
| Thread specification | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | ||||
| d | ||||||||||||
| P | pitch | coarse teeth | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | ||
| fine teeth 1 | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | ||||
| fine teeth 2 | / | / | / | 1 | 1.25 | / | / | / | ||||
| b | L≤125 | 16 | 18 | twenty two | 26 | 30 | 34 | 38 | 46 | |||
| 125＜L≤200 | / | / | 28 | 32 | 36 | 40 | 44 | 52 | ||||
| L＞200 | / | / | / | / | / | / | 57 | 65 | ||||
| c | minimum | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 3 | |||
| d a | Type A | maximum value | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 22.4 | ||
| Type B | maximum value | 6.2 | 7.4 | 10 | 12.6 | 15.2 | 17.7 | 20.7 | 25.7 | |||
| dc | maximum value | 11.8 | 14.2 | 18 | 22.3 | 26.6 | 30.5 | 35 | 43 | |||
| ds | maximum value | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | |||
| minimum | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 19.67 | ||||
| of u | maximum value | 5.5 | 6.6 | 9 | 11 | 13.5 | 15.5 | 17.5 | twenty two | |||
| dw | minimum | 9.8 | 12.2 | 15.8 | 19.6 | 23.8 | 27.6 | 31.9 | 39.9 | |||
| and | minimum | 8.71 | 10.95 | 14.26 | 16.5 | 17.62 | 19.86 | 23.15 | 29.87 | |||
| f | maximum value | 1.4 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | |||
| k | maximum value | 5.4 | 6.6 | 8.1 | 9.2 | 11.5 | 12.8 | 14.4 | 17.1 | |||
| k 1 | minimum | 2 | 2.5 | 3.2 | 3.6 | 4.6 | 5.1 | 5.8 | 6.8 | |||
| r 1 | minimum | 0.25 | 0.4 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 | |||
| r 2 | maximum value | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.9 | 1 | 1.2 | |||
| r 3 | minimum | 0.1 | 0.1 | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.4 | |||
| r 4 | ≈ | 3 | 3.4 | 4.3 | 4.3 | 6.4 | 6.4 | 6.4 | 8.5 | |||
| s | max = nominal | 8 | 10 | 13 | 15 | 16 | 18 | twenty one | 27 | |||
| minimum | 7.78 | 9.78 | 12.73 | 14.73 | 15.73 | 17.73 | 20.67 | 26.67 | ||||
| t | maximum value | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.45 | 0.5 | 0.65 | |||
| minimum | 0.05 | 0.05 | 0.1 | 0.15 | 0.15 | 0.2 | 0.25 | 0.3 | ||||
| thread length b | - | - | - | - | - | - | - | - | ||||
Befast’s A2-70 304 Stainless Steel Hex Flange Bolts provide superior corrosion resistance, making them ideal for use in coastal and humid environments. Their excellent tensile strength and high resistance to rust ensure long-lasting performance, even in challenging conditions.
Our bolts are produced with precision to meet ISO standards, ensuring consistency and reliability. With bulk ordering options available, Befast is your trusted partner for stainless steel fasteners that deliver exceptional value.
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