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| 常用擠牙絲錐底孔對(duì)照表 | ||||||
| 規(guī)格 | 牙距 | 精度等級(jí) | 螺牙孔飽和率%--預(yù)沖孔直徑mm | |||
| 100% | 90% | 80% | 70% | |||
| M1.1 | 0.25 | 4 | 0.86 | 0.87 | 0.89 | 0.90 |
| 0.2 | 3 | 0.89 | 0.9 | 0.91 | 0.92 | |
| M1.2 | 0.25 | 4 | 1.06 | 1.07 | 1.09 | 1.10 |
| 0.2 | 3 | 1.09 | 1.10 | 1.11 | 1.12 | |
| M1.4 | 0.25 | 4 | 1.23 | 1.25 | 1.26 | 1.28 |
| 0.2 | 3 | 1.29 | 1.30 | 1.31 | 1.32 | |
| M1.6 | 0.35 | 4 | 1.40 | 1.42 | 1.44 | 1.46 |
| 0.2 | 4 | 1.49 | 1.50 | 1.51 | 1.52 | |
| M1.8 | 0.35 | 4 | 1.60 | 1.62 | 1.64 | 1.66 |
| 0.2 | 3 | 1.69 | 1.70 | 1.71 | 1.72 | |
| M2 | 0.4 | 4 | 1.77 | 1.80 | 1.82 | 1.84 |
| 0.25 | 4 | 1.86 | 1.87 | 1.89 | 1.91 | |
| M2.2 | 0.45 | 4 | 1.94 | 1.97 | 2.00 | 2.02 |
| 0.25 | 4 | 2.06 | 2.07 | 2.09 | 2.10 | |
| M2.5 | 0.45 | 4 | 2.24 | 2.27 | 2.30 | 2.32 |
| 0.35 | 4 | 2.30 | 2.32 | 2.34 | 2.36 | |
| M2.6 | 0.45 | 4 | 2.32 | 2.37 | 2.40 | 2.42 |
| 0.35 | 5 | 2.40 | 2.42 | 2.44 | 2.46 | |
| M3 | 0.5 | 5 | 2.72 | 2.74 | 2.77 | 2.80 |
| M3.5 | 0.6 | 5 | 3.16 | 3.19 | 3.23 | 3.26 |
| M4 | 0.7 | 6 | 3.60 | 3.64 | 3.68 | 3.72 |
| M5 | 0.8 | 6 | 4.55 | 4.59 | 4.64 | 4.68 |
| M6 | 1 | 7 | 5.43 | 5.49 | 5.55 | 5.60 |
| M7 | 1 | 7 | 6.43 | 6.49 | 6.55 | 6.60 |
| M8 | 1.25 | 7 | 7.29 | 7.36 | 7.43 | 7.50 |
| M9 | 1.25 | 7 | 8.29 | 8.36 | 7.43 | 7.5 |
| M10 | 1.5 | 7 | 9.15 | 9.23 | 9.32 | 9.4 |
| M11 | 1.5 | 10 | 10.15 | 10.23 | 10.32 | 10.4 |
| M12 | 1.75 | 8 | 11.01 | 11.11 | 11.21 | 11.31 |
| M14 | 2 | 10 | 12.87 | 12.98 | 13.09 | 13.21 |
| M16 | 2 | 10 | 14.87 | 14.98 | 15.09 | 15.21 |
| M18 | 2.5 | 11 | 16.58 | 16.72 | 16.87 | 17.01 |
| M20 | 2.5 | 11 | 18.58 | 18.72 | 18.87 | 19.01 |
| M22 | 2.5 | 11 | 20.58 | 20.72 | 20.87 | 21.01 |
| M24 | 2.5 | 10 | 23.15 | 23.23 | 23.32 | 23.4 |
| 美制擠牙絲錐底孔對(duì)照表 | |||||
| 規(guī)格 | 精度等級(jí) | 螺牙孔飽和率%--預(yù)沖孔直徑mm | |||
| 100% | 90% | 80% | 70% | ||
| NO.1-64UNC | 4 | 1.63 | 1.65 | 1.67 | 1.70 |
| NO.2-56 | 4 | 1.93 | 1.95 | 1.98 | 2.00 |
| NO.3-48 | 4 | 2.21 | 2.24 | 2.27 | 2.30 |
| NO.4-40UNC | 5 | 2.49 | 2.52 | 2.56 | 2.59 |
| NO.5-40 | 5 | 2.82 | 2.85 | 2.89 | 2.92 |
| NO.6-32 | 5 | 3.05 | 3.1 | 3.14 | 3.19 |
| NO.8-32UNC | 6 | 3.72 | 3.76 | 3.81 | 3.85 |
| NO.10-24 | 6 | 4.23 | 4.29 | 4.35 | 4.41 |
| NO.12-24 | 6 | 4.89 | 4.95 | 5.01 | 5.07 |
| 1/4-20UNC | 6 | 5.63 | 5.70 | 5.77 | 5.85 |
| 5/16-18 | 7 | 7.14 | 7.22 | 7.3 | 7.38 |
| 3/8-16 | 7 | 8.62 | 8.71 | 8.8 | 8.89 |
| 7/16-14UNC | 8 | 10.08 | 10.19 | 10.29 | 10.39 |
| 1/2-13 | 8 | 11.59 | 11.7 | 11.81 | 11.92 |
| 9/16-12 | 10 | 13.09 | 13.21 | 13.33 | 13.45 |
| 5/8-11UNC | 11 | 14.55 | 14.68 | 14.81 | 14.94 |
| 3/4-10 | 12 | 17.61 | 17.75 | 17.90 | 18.04 |
| NO.0-80UNF | 3 | 1.34 | 1.36 | 1.38 | 1.4 |
| NO.1-72 | 4 | 1.65 | 1.67 | 1.69 | 1.71 |
| NO.2-64 | 4 | 1.96 | 1.98 | 2.00 | 2.03 |
| NO.3-56UNF | 4 | 2.26 | 2.28 | 2.31 | 2.34 |
| NO.4-48 | 5 | 2.564 | 2.57 | 2.6 | 2.63 |
| NO.5-44 | 5 | 2.85 | 2.88 | 2.91 | 2.95 |
| NO.6-40UNF | 5 | 3.15 | 3.18 | 3.22 | 3.25 |
| NO.8-36 | 6 | 3.77 | 3.81 | 3.85 | 3.89 |
| NO.10-32 | 6 | 4.38 | 4.42 | 4.47 | 4.51 |
| NO.12-28UNF | 6 | 4.97 | 5.02 | 5.07 | 5.13 |
| 1/4-28 | 6 | 5.84 | 5.89 | 5.94 | 5.99 |
| 5/16-24 | 7 | 7.34 | 7.40 | 7.46 | 7.52 |
| 3/8-24UNF | 7 | 8.88 | 8.92 | 9.04 | 9.1 |
| 7/16-20 | 8 | 10.39 | 10.46 | 10.54 | 10.61 |
| 1/2-20 | 8 | 11.98 | 12.05 | 12.12 | 12.20 |
| 9/16-18UNF | 9 | 13.49 | 13.57 | 13.65 | 13.73 |
| 5/8-18 | 9 | 15.06 | 15.14 | 15.22 | 15.3 |
| 3/4-16 | 10 | 18.15 | 18.24 | 18.33 | 18.42 |
| 7/8-14 | 11 | 21.20 | 21.30 | 21.40 | 21.50 |
| 英制擠牙絲錐底孔對(duì)照表 | |||||
| 規(guī)格 | 精度等級(jí) | 螺牙孔飽和率%--預(yù)沖孔直徑mm | |||
| 100% | 90% | 80% | 70% | ||
| W 1/16-60 | 4 | 1.33 | 1.35 | 1.38 | 1.40 |
| 3/32-48 | 4 | 2.05 | 2.09 | 2.12 | 2.15 |
| 1/8-40 | 5 | 2.78 | 2.82 | 2.86 | 2.90 |
| W 5/32-32 | 6 | 3.48 | 3.53 | 3.58 | 3.62 |
| 3/16-24 | 6 | 4.11 | 4.17 | 4.24 | 4.30 |
| 7/32-24 | 6 | 4.9 | 4.97 | 5.03 | 5.10 |
| W 1/4-20 | 6 | 5.56 | 5.64 | 5.72 | 5.8 |
| 5/16-18 | 7 | 7.06 | 7.15 | 7.24 | 7.33 |
| 3/8-16 | 8 | 8.54 | 8.64 | 8.74 | 8.84 |
| W 7/16-14 | 8 | 9.99 | 11.10 | 10.21 | 10.33 |
| 1/2-12 | 9 | 11.39 | 11.52 | 11.65 | 11.78 |
| 9/16-12 | 9 | 12.98 | 13.11 | 13.24 | 13.37 |
| W 5/8-11 | 9 | 14.44 | 14.59 | 14.73 | 14.87 |
| 3/4-10 | 9 | 17.48 | 17.63 | 17.79 | 17.95 |