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A2-70 304 stainless steel carriage bolts provide a secure, rust-resistant fastening solution for various industries.
With excellent resistance to corrosion and high tensile strength, Befast’s A2-70 304 stainless carriage bolts are perfect for long-term use in challenging environments. Our stainless steel carriage bolts and nuts ensure a reliable and durable fastening system, making them ideal for a wide range of applications. For those seeking high-quality ss carriage bolts, Befast offers the best in performance and longevity.
| Name | Carriage 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 | M16 | M20 | |
| d | ||||||||
| P | pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 |
| b | L≤125 | 16 | 18 | twenty two | 26 | 30 | 38 | 46 |
| 125＜L≤200 | twenty two | twenty four | 28 | 32 | 36 | 44 | 52 | |
| L>200 | - | - | 41 | 45 | 49 | 57 | 65 | |
| dk | maximum value | 13.55 | 16.55 | 20.65 | 24.65 | 30.65 | 38.8 | 46.8 |
| minimum | 12.45 | 15.45 | 19.35 | 23.35 | 29.35 | 37.2 | 45.2 | |
| ds | maximum value | 5 | 6 | 8 | 10 | 12 | 16 | 20 |
| minimum | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | |
| k 1 | maximum value | 4.1 | 4.6 | 5.6 | 6.6 | 8.75 | 12.9 | 15.9 |
| minimum | 2.9 | 3.4 | 4.4 | 5.4 | 7.25 | 11.1 | 14.1 | |
| k | maximum value | 3.3 | 3.88 | 4.88 | 5.38 | 6.95 | 8.95 | 11.05 |
| minimum | 2.7 | 3.12 | 4.12 | 4.62 | 6.05 | 8.05 | 9.95 | |
| r 1 | ≈ | 10.7 | 12.6 | 16 | 19.2 | 24.1 | 29.3 | 33.9 |
| r 2 | maximum value | 0.5 | 0.5 | 0.5 | 0.5 | 1 | 1 | 1 |
| r 3 | maximum value | 0.75 | 0.9 | 1.2 | 1.5 | 1.8 | 2.4 | 3 |
| s | maximum value | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 |
| minimum | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | |
| Thousand pieces of steel weight ≈kg | - | - | - | - | - | - | - | |
| thread length b | - | - | - | - | - | - | - | |
Befast’s A2-70 304 Stainless Steel Carriage Bolts offer superior corrosion resistance, making them ideal for outdoor and marine applications. Their high tensile strength ensures they can handle significant load-bearing requirements.
Our products are manufactured to meet ISO standards, ensuring quality and consistency. With bulk ordering options available, Befast is your reliable partner for stainless steel fasteners.
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