We specialize in the research and development, production, and sales of various standard, non-standard, and fasteners such as high-quality and high-precision bolts, screws, nuts, washers, etc.
Fasteners have diverse materials and complete specifications, supporting non-standard customization.
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Email:13306482520@163.com
| Thread specification d | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | |
| P | Fine tooth | - | - | - | - | - | - | - | 1 | 1.25 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Fine tooth | - | - | - | - | - | - | - | - | 1 | 1.5 | - | - | - | - | - | |
| Coarse teeth | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | |
| Thousand pieces of steel weight≈kg | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Thread specification d | M24 | (M27) | M30 | (M33) | M36 | (M39) | M42 | (M45) | M48 | (M52) | M56 | (M60) | M64 | (M68) | M72 | |
| P | Fine tooth | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 6 |
| Fine tooth | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Coarse teeth | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | 4.5 | 5 | 5 | 5.5 | 5.5 | 6 | 6 | - | |
| Thousand pieces of steel weight≈kg | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
① , Material: a) Steel, performance grade (material): d ＜ 3mm: according to the protocol; 3mm ≤ d ≤ 39mm: 4.8,5.6,5.8,8.8,10.9,12.9; D>39mm: according to the protocol. Standard DIN EN ISO 898-1 b) Stainless steel, performance grade (material): d ＜ 3mm: according to the protocol; 3mm ≤ d ≤ 24mm: A2-70, A4-70; D ＞ 24mm: according to the protocol. Standard DIN EN ISO 3506-1 c) Non ferrous metals, performance level (material): CuZn=copper zinc alloy, CU2 or CU3 to be determined by the manufacturer; Al=aluminum alloy, with AL1 (grade AlMg3) or AL2 (grade AlMg5) determined by the manufacturer. Standard DIN EN 28839 | ||||||||||||||||
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