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Befast’s A2-70 and A4-80 stainless steel stud bolts offer high corrosion resistance and strength, suitable for marine and industrial applications.
Our 316 stainless steel stud bolts and SS 304 studs are designed to provide stability and ensure long-term, reliable fastening in demanding environments. These SS stud bolts deliver a secure solution for critical applications, with competitive SS 304 stud prices ensuring value for our customers.
| Name | DIN938 Stud 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-M52 | Surface finish | ZPHDGBLACKDacromet etc. |
| Length | 20-3000 | Samples | Available |
| Thread specification | M3 | M4 | M5 | M6 | (M7) | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | ||||
| d | ||||||||||||||||
| P | pitch | coarse teeth | 0.5 | 0.7 | 0.8 | 1 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | ||
| fine teeth 1 | - | - | - | - | - | 1 | 1.25 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | ||||
| fine teeth 2 | - | - | - | - | - | - | - | 1.5 | - | - | - | - | ||||
| b 1 | 3 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | ||||
| b | L≤125 | 12 | 14 | 16 | 18 | 20 | twenty two | 26 | 30 | 34 | 38 | 42 | 46 | |||
| 125＜L≤200 | 18 | 20 | twenty two | twenty four | 26 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | ||||
| L＞200 | - | - | - | - | - | - | 45 | 49 | 53 | 57 | 61 | 65 | ||||
| x 1 | 1.25 | 1.75 | 2 | 2.5 | 2.5 | 3.2 | 3.8 | 4.3 | 5 | 5 | 6.3 | 6.3 | ||||
| x 2 | 0.7 | 0.9 | 1 | 1.25 | 1.25 | 1.6 | 1.9 | 2.2 | 2.5 | 2.5 | 3.2 | 3.2 | ||||
| Thousand pieces of steel weight ≈kg | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| Thread specification | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | M42 | (M45) | M48 | (M52) | ||||
| d | |||||||||||||||
| P | pitch | coarse teeth | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | 4.5 | 5 | 5 | ||
| fine teeth 1 | 1.5 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | ||||
| fine teeth 2 | - | - | - | - | - | - | - | - | - | - | - | ||||
| b 1 | twenty two | twenty four | 25 | 30 | 32 | 35 | 38 | 42 | 45 | 48 | 52 | ||||
| b | L≤125 | 50 | 54 | 60 | 66 | 72 | 78 | 84 | 90 | 96 | 102 | 110 | |||
| 125＜L≤200 | 56 | 60 | 66 | 72 | 78 | 84 | 90 | 96 | 102 | 108 | 116 | ||||
| L＞200 | 69 | 73 | 79 | 85 | 91 | 97 | 103 | 109 | 115 | 121 | 129 | ||||
| x 1 | 6.3 | 7.5 | 7.5 | 9 | 9 | 10 | 10 | 11 | 11 | 12.5 | 12.5 | ||||
| x 2 | 3.2 | 3.8 | 3.8 | 4.5 | 4.5 | 5 | 5 | 5.5 | 5.5 | 6.3 | 6.3 | ||||
| Thousand pieces of steel weight ≈kg | - | - | - | - | - | - | - | - | - | - | - | ||||
Befast’s A2-70 and A4-80 stainless steel stud bolts offer unmatched corrosion resistance and strength, suitable for critical marine and industrial applications.
Engineered to withstand demanding environments, these bolts deliver reliable fastening and ensure long-term stability, making them a preferred choice for secure assemblies.
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