常用螺丝规格表
| 类别 | 规格 | 牙距 | 成品外径 | 线径 | 类别 | 规格 | 牙数 (每英寸) | 成品外径 | 线径 | |||
| 最大 | 最小 | ±0.02mm | 最大 | 最小 | ±0.02mm | |||||||
| 国 标 粗 牙 60° | M1.4 | 0.30 | 1.38 | 1.34 | 1.16 | 英 制 粗 牙 55° | 1/8 | 40 | 3.145 | 3.03 | 2.70 | |
| M1.7 | 0.35 | 1.68 | 1.61 | 1.42 | 5/32 | 32 | 3.945 | 3.795 | 3.38 | |||
| M2.0 | 0.40 | 1.98 | 1.89 | 1.68 | 3/16 | 24 | 4.732 | 4.592 | 4.00 | |||
| M2.3 | 0.40 | 2.28 | 2.19 | 1.98 | 1/4 | 20 | 6.32 | 6.165 | 5.45 | |||
| M2.5 | 0.45 | 2.48 | 2.38 | 2.15 | 5/16 | 18 | 7.905 | 7.737 | 6.94 | |||
| M3.0 | 0.50 | 2.98 | 2.88 | 2.60 | 3/8 | 16 | 9.49 | 9.312 | 8.40 | |||
| M3.5 | 0.60 | 3.47 | 3.36 | 3.02 | 7/16 | 14 | 11.07 | 10.88 | 9.84 | |||
| M4.0 | 0.70 | 3.98 | 3.83 | 3.40 | 1/2 | 12 | 12.66 | 12.46 | 11.22 | |||
| M4.5 | 0.75 | 4.47 | 4.36 | 3.88 | 9/16 | 12 | 14.25 | 14.04 | 12.81 | |||
| M5.0 | 0.80 | 4.98 | 4.83 | 4.30 | 5/8 | 11 | 15.83 | 15.61 | 14.27 | |||
| M6.0 | 1.00 | 5.97 | 5.82 | 5.18 | 美 制 粗 牙 60° | 4# | 40 | 2.824 | 2.695 | 2.37 | ||
| M7.0 | 1.00 | 6.97 | 6.82 | 6.18 | 5# | 40 | 3.154 | 3.026 | 2.69 | |||
| M8.0 | 1.25 | 7.96 | 7.79 | 7.02 | 6# | 32 | 3.484 | 3.333 | 2.91 | |||
| M9.0 | 1.25 | 8.96 | 8.79 | 8.01 | 8# | 32 | 4.142 | 3.991 | 3.57 | |||
| M10 | 1.50 | 9.96 | 9.77 | 8.84 | 10# | 24 | 4.8 | 4.618 | 4.05 | |||
| M11 | 1.50 | 10.97 | 10.73 | 9.84 | 12# | 24 | 5.461 | 5.279 | 4.70 | |||
| M12 | 1.75 | 11.95 | 11.76 | 10.7 | 1/4 | 20 | 6.322 | 6.117 | 5.45 | |||
| M14 | 2.00 | 13.95 | 13.74 | 12.5 | 5/16 | 18 | 7.907 | 7.687 | 6.93 | |||
| M16 | 2.00 | 15.95 | 15.74 | 14.5 | 3/8 | 16 | 9.491 | 9.254 | 8.40 | |||
| M18 | 2.50 | 17.95 | 17.71 | 16.2 | 7/16 | 14 | 11.08 | 10.82 | 9.83 | |||
| M20 | 2.50 | 19.95 | 19.71 | 18.2 | 1/2 | 13 | 12.66 | 12.39 | 11.32 | |||
| 国 标 细 牙 60° | M4.0 | 0.50 | 3.97 | 3.86 | 3.58 | 9/16 | 12 | 14.25 | 13.96 | 12.80 | ||
| M4.5 | 0.50 | 4.47 | 4.36 | 4.07 | 5/8 | 11 | 15.83 | 15.53 | 14.26 | |||
| M5.0 | 0.50 | 4.97 | 4.86 | 4.57 | 美 制 粗 牙 60° | 4# | 48 | 2.877 | 2.713 | 2.44 | ||
| M6.0 | 0.75 | 5.97 | 5.85 | 5.41 | 5# | 44 | 3.157 | 3.036 | 2.73 | |||
| M7.0 | 0.75 | 6.97 | 6.85 | 6.41 | 6# | 40 | 3.484 | 3.356 | 3.02 | |||
| M8.0 | 1.00 | 7.97 | 7.83 | 7.24 | 8# | 36 | 4.145 | 4.006 | 3.63 | |||
| M9.0 | 1.00 | 8.97 | 8.83 | 8.24 | 10# | 32 | 4.803 | 4.651 | 4.23 | |||
| M10 | 1.00 | 9.97 | 9.82 | 9.23 | 12# | 28 | 5.461 | 5.296 | 4.81 | |||
| M10 | 1.25 | 9.96 | 9.81 | 9.07 | 1/4 | 28 | 6.324 | 6.16 | 5.68 | |||
| M12 | 1.25 | 11.97 | 11.76 | 11.07 | 5/16 | 24 | 7.909 | 7.727 | 7.16 | |||
| M12 | 1.50 | 11.96 | 11.79 | 10.89 | 3/8 | 24 | 9.497 | 9.315 | 8.74 | |||
| M14 | 1.50 | 13.96 | 13.79 | 12.89 | 7/16 | 20 | 11.08 | 10.87 | 10.18 | |||
| M16 | 1.50 | 15.96 | 15.79 | 14.89 | 1/2 | 20 | 12.67 | 12.46 | 11.76 | |||
| M18 | 1.50 | 17.95 | 17.73 | 16.86 | 9/16 | 18 | 14.25 | 14.03 | 13.25 | |||
| M20 | 1.50 | 19.95 | 19.65 | 18.85 | 5/8 | 18 | 15.83 | 15.62 | 14.83 | |||
| 类别 | 规格 | 牙数 或 牙数 | 成品外径 | 线径 | 类别 | 规格 | 牙数 或 牙数 | 成品外径 | 线径 | |||
| 最大 | 最小 | ±0.02mm | 最大 | 最小 | ±0.02mm | |||||||
| 国 标 76 60° | M3.0 | 1.2 | 3.0 | 2.85 | 2.38 | 美 制 铁 板 A 牙 60° | 2# | 32 | 2.23 | 2.13 | 1.78 | |
| M3.5 | 1.4 | 3.5 | 3.35 | 2.75 | 3# | 28 | 2.56 | 2.46 | 2.08 | |||
| M4.0 | 1.6 | 4.0 | 3.85 | 3.15 | 4# | 24 | 2.89 | 2.79 | 2.28 | |||
| M4.5 | 1.8 | 4.5 | 4.35 | 3.47 | 5# | 20 | 3.30 | 3.20 | 2.60 | |||
| M5.0 | 2 | 5.0 | 4.85 | 3.90 | 6# | 18 | 3.58 | 3.45 | 2.78 | |||
| M6.0 | 2.5 | 6.0 | 5.85 | 4.67 | 7# | 16 | 4.01 | 3.86 | 3.10 | |||
| 日 制 A 牙 铁 铁 钉 60° | M2.0 | 32 | 2.10 | 2.00 | 1.70 | 8# | 15 | 4.26 | 4.11 | 3.30 | ||
| M2.3 | 32 | 2.40 | 2.30 | 1.95 | 9# | 14 | 4.55 | 4.40 | 3.45 | |||
| M2.6 | 28 | 2.70 | 2.60 | 2.10 | 10# | 12 | 4.92 | 4.77 | 3.75 | |||
| M3.0 | 24 | 3.10 | 3.00 | 2.42 | 12# | 11 | 5.60 | 5.46 | 4.30 | |||
| M3.5 | 18 | 3.65 | 3.50 | 2.83 | 14# | 10 | 6.45 | 6.29 | 5.05 | |||
| M4.0 | 16 | 4.15 | 4.00 | 3.25 | 美 制 铁 板 AB 牙 60° | 2# | 32 | 2.23 | 2.08 | 1.78 | ||
| M4.5 | 14 | 4.65 | 4.50 | 3.60 | 3# | 28 | 2.56 | 2.46 | 2.05 | |||
| M5.0 | 12 | 5.20 | 5.00 | 4.00 | 4# | 24 | 2.89 | 2.74 | 2.28 | |||
| M6.0 | 10 | 6.20 | 6.00 | 4.85 | 5# | 20 | 3.30 | 3.20 | 2.57 | |||
| M8.0 | 9 | 8.20 | 8.00 | 6.48 | 6# | 20 | 3.53 | 3.43 | 2.80 | |||
| 日 制 AB 牙 铁 铁 钉 60° | M2.0 | 40 | 2.00 | 1.90 | 1.65 | 7# | 19 | 3.91 | 3.78 | 3.13 | ||
| M2.3 | 32 | 2.30 | 2.20 | 1.85 | 8# | 18 | 4.21 | 4.04 | 3.38 | |||
| M2.6 | 28 | 2.60 | 2.50 | 2.10 | 10# | 16 | 4.80 | 4.65 | 3.80 | |||
| M3.0 | 24 | 3.00&nb, sp; | 2.40 | 12# | 14 | 5.40 | 5.31 | 4.38 | ||||
| M3.5 | 20 | 3.50 | 3.40 | 2.83 | 1/4 | 14 | 6.25 | 6.05 | 5.18 | |||
| M4.0 | 18 | 4.00 | 3.85 | 3.25 | 墙板 钉细 牙60° | 6# | 17 | 3.60 | 3.40 | 2.70 | ||
| M4.5 | 16 | 4.50 | 4.35 | 3.60 | 7# | 16 | 4.00 | 3.75 | 3.03 | |||
| M5.0 | 16 | 5.00 | 4.85 | 4.03 | 8# | 15 | 4.30 | 4.05 | 3.20 | |||
| M6.0 | 14 | 6.00 | 5.85 | 4.95 | 10# | 12 | 4.95 | 4.70 | 3.72 | |||
| M8.0 | 12 | 8.00 | 7.85 | 6.70 | 墙板 钉粗 牙60° | 6# | 9 | 3.90 | 3.65 | 2.65 | ||
| 日 制 木 螺 丝 60° | M2.7 | 1.2 | 2.77 | 2.63 | 2.10 | 7# | 9 | 4.20 | 3.90 | 2.90 | ||
| M3.1 | 1.3 | 3.17 | 3.03 | 2.40 | 8# | 9 | 4.60 | 4.30 | 3.20 | |||
| M3.5 | 1.4 | 3.60 | 3.40 | 2.75 | 10# | 8 | 5.30 | 4.90 | 3.70 | |||
| M3.8 | 1.6 | 3.90 | 3.70 | 3.00 | 德 标 (C/B) 钉 40° | M2.5 | 1.1 | 2.5 | 2.25 | 1.80 | ||
| M4.1 | 1.8 | 4.20 | 4.00 | 3.20 | M3.0 | 1.35 | 3.0 | 2.75 | 2.10 | |||
| M4.5 | 2 | 4.60 | 4.40 | 3.50 | M3.5 | 1.6 | 3.5 | 3.20 | 2.45 | |||
| M4.8 | 2.1 | 4.92 | 4.68 | 3.70 | M4.0 | 1.8 | 4.0 | 3.70 | 2.78 | |||
| M5.1 | 2.2 | 5.22 | 4.98 | 3.95 | M4.5 | 2 | 4.5 | 4.20 | 3.10 | |||
| M5.5 | 2.4 | 5.62 | 5.38 | 4.30 | M5.0 | 2.2 | 5.0 | 4.70 | 3.45 | |||
| M5.8 | 2.6 | 5.92 | 5.68 | 4.45 | M6.0 | 2.6 | 6.0 | 5.70 | 4.20 | |||