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The A2-70 304 stainless steel hexagon socket allen screws are made from high-quality 304 stainless steel, which offers exceptional resistance to corrosion and oxidation. These screws are widely used in various industries, especially where a robust and reliable fastening solution is required.
These screws are ideal for applications in environments exposed to moisture or chemicals, offering a long-lasting, secure hold. They are perfect for assembly and construction projects that demand high strength and resistance to wear.
| Name | Allen 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 |
| 0 | M1.4 | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | ||||
| d | |||||||||||||||||||
| P | pitch | coarse teeth | 0.3 | 0.35 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 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 | 1.5 | - | - | 2 | 2 | ||||
| dk | round head | maximum value | 2.6 | 3 | 3.8 | 4.5 | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | twenty one | twenty four | 27 | 30 | ||
| knurled head | maximum value | 2.74 | 3.14 | 3.98 | 4.68 | 5.68 | 7.22 | 8.72 | 10.22 | 13.27 | 16.27 | 18.27 | 21.33 | 24.33 | 27.33 | 30.33 | |||
| minimum | 2.46 | 2.86 | 3.62 | 4.32 | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | ||||
| d a | maximum value | 1.8 | 2 | 2.6 | 3.1 | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 | |||
| ds | maximum value | 1.4 | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | |||
| minimum | 1.26 | 1.46 | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | ||||
| and | minimum | 1.5 | 1.73 | 1.73 | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 6.86 | 9.15 | 11.43 | 13.72 | 16 | 16 | 19.44 | |||
| k | maximum value | 1.4 | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | |||
| minimum | 1.26 | 1.46 | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.7 | 7.64 | 9.64 | 11.57 | 13.57 | 15.57 | 17.57 | 19.48 | ||||
| s | Nominal | 1.3 | 1.5 | 1.5 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 14 | 17 | |||
| minimum | 1.32 | 1.52 | 1.52 | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | 12.032 | 14.032 | 14.032 | 17.05 | ||||
| maximum value | 1.36 | 1.56 | 1.56 | 2.06 | 2.58 | 3.08 | 4.095 | 5.14 | 6.14 | 8.175 | 10.175 | 12.212 | 14.212 | 14.212 | 17.23 | ||||
| t | minimum | 0.6 | 0.7 | 1 | 1.1 | 1.3 | 2 | 2.5 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |||
| in | minimum | 0.5 | 0.55 | 0.55 | 0.85 | 1.15 | 1.4 | 1.9 | 2.3 | 3 | 4 | 4.8 | 5.8 | 6.8 | 7.8 | 8.6 | |||
| Thousand pieces of steel weight ≈kg | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| thread length b | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| thread size | (M22) | M24 | (M27) | M30 | (M33) | M36 | M42 | M48 | M56 | M64 | M72 | M80 | M90 | M100 | ||||
| d | ||||||||||||||||||
| P | pitch | coarse teeth | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6 | 6 | 6 | 6 | ||
| fine teeth 1 | 1.5 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | ||||
| fine teeth 2 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| dk | round head | maximum value | 33 | 36 | 40 | 45 | 50 | 54 | 63 | 72 | 84 | 96 | 108 | 120 | 135 | 150 | ||
| knurled head | maximum value | 33.39 | 36.39 | 40.39 | 45.39 | 50.39 | 54.46 | 63.46 | 72.46 | 84.54 | 96.54 | 108.54 | 120.54 | 135.63 | 150.63 | |||
| minimum | 32.61 | 35.61 | 39.61 | 44.61 | 49.61 | 53.54 | 62.54 | 71.54 | 83.46 | 95.46 | 107.46 | 119.46 | 134.37 | 149.37 | ||||
| d a | maximum value | 24.4 | 26.4 | 30.4 | 33.4 | 36.4 | 39.4 | 45.5 | 52.6 | 63 | 71 | 79 | 87 | 97 | 107 | |||
| ds | maximum value | twenty two | twenty four | 27 | 30 | 33 | 36 | 42 | 48 | 56 | 64 | 72 | 80 | 90 | 100 | |||
| minimum | 21.67 | 23.67 | 26.67 | 29.67 | 32.61 | 35.61 | 41.61 | 47.61 | 55.54 | 63.54 | 71.54 | 79.54 | 89.46 | 99.46 | ||||
| and | minimum | 19.44 | 21.73 | 21.73 | 25.15 | 27.43 | 30.85 | 36.57 | 41.13 | 46.83 | 52.53 | 62.81 | 74.21 | 85.61 | 97.04 | |||
| k | maximum value | twenty two | twenty four | 27 | 30 | 33 | 36 | 42 | 48 | 56 | 64 | 72 | 80 | 90 | 100 | |||
| minimum | 21.48 | 23.48 | 26.48 | 29.48 | 32.38 | 35.38 | 41.38 | 47.38 | 55.26 | 63.26 | 71.26 | 79.26 | 89.13 | 99.13 | ||||
| s | Nominal | 17 | 19 | 19 | twenty two | twenty four | 27 | 32 | 36 | 41 | 46 | 55 | 65 | 75 | 85 | |||
| minimum | 17.05 | 19.065 | 19.065 | 22.065 | 24.065 | 27.065 | 32.08 | 36.08 | 41.08 | 46.08 | 55.1 | 65.1 | 75.1 | 85.12 | ||||
| maximum value | 17.23 | 19.275 | 19.275 | 22.275 | 24.275 | 27.275 | 32.33 | 36.33 | 41.33 | 46.33 | 55.4 | 65.4 | 75.4 | 85.47 | ||||
| t | minimum | 11 | 12 | 13.5 | 15.5 | 18 | 19 | twenty four | 28 | 34 | 38 | 43 | 48 | 54 | 60 | |||
| in | minimum | 9.4 | 10.4 | 11.9 | 13.1 | 13.5 | 15.3 | 16.3 | 17.5 | 19 | twenty two | 25 | 27 | 32 | 34 | |||
| Thousand pieces of steel weight ≈kg | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| thread length b | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
Befast’s A2-70 304 Stainless Steel Hexagon Socket Allen Screws provide several key benefits. First, their high corrosion resistance makes them perfect for marine, chemical, and other harsh environments. The screws are also known for their excellent strength, ensuring a secure connection that lasts over time.
Additionally, their hexagon socket design allows for easy installation and tight torque control, improving efficiency and reducing the risk of damage during use. The durability of these screws makes them a reliable choice for heavy-duty applications, ensuring longevity and reduced maintenance costs.
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