美制帶鉆絲錐
規(guī)格 | 總長 | 螺紋長 | 鉆頭長 | 鉆頭尺寸 |
Size | Overall Length | Thread Lenght | Drill Lenght | Drill Size |
4-40NC | 1-7/8 | 9/16 | 1/4 | 0.0890 |
4-48NF | 1-7/8 | 9/16 | 1/4 | 0.0930 |
5-40NC | 1-15/16 | 5/8 | 9/32 | 0.1015 |
5-44NF | 1-15/16 | 5/8 | 9/32 | 0.1040 |
6-32NC | 2 | 11/16 | 5/16 | 0.1095 |
6-40NF | 2 | 11/16 | 5/16 | 0.1150 |
8-32NC | 2-1/8 | 3/4 | 3/8 | 0.1360 |
8-36NF | 2-1/8 | 3/4 | 3/8 | 0.1385 |
10-24NC | 2-3/8 | 7/8 | 13/32 | 0.1520 |
10-32NF | 2-3/8 | 7/8 | 13/32 | 0.1610 |
12-24NC | 2-3/8 | 7/8 | 15/32 | 0.1770 |
12-28NF | 2-3/8 | 7/8 | 15/32 | 0.1835 |
1/4-20NC | 2-1/2 | 15/16 | 17/32 | 0.2010 |
1/4-28NF | 2-1/2 | 15/16 | 17/32 | 0.2175 |
5/16-18NC | 3 | 1-1/8 | 11/16 | 0.2570 |
5/16-24NF | 3 | 1-1/8 | 11/16 | 0.2720 |
3/8-16NC | 3-1/2 | 1-1/4 | 13/16 | 0.3125 |
3/8-24NF | 3-1/2 | 1-1/4 | 13/16 | 0.3345 |
7/16-14NC | 3-7/8 | 1-7/16 | 1 | 0.3680 |
7/16-20NF | 3-7/8 | 1-7/16 | 1 | 0.3890 |
1/2-13NC | 4-1/4 | 1-21/32 | 1-1/8 | 0.4250 |
1/2-20NF | 4-1/4 | 1-21/32 | 1-1/8 | 0.4510 |