无过载保护攻丝筒夹
用于安装没有带过载保护的丝锥，可防止丝锥断裂。
| Size | Collet | M | D | o | D1 | D2 | L1 | L2 |
| FE1 M2(2.8*2.1) | FE 1 | M2 | 2.8 | 2.1 | 19 | 30 | 21.5 | 7 |
| FE1 M3(3.5*2.7) | FE 1 | M3 | 3.5 | 2.7 | 19 | 30 | 21.5 | 7 |
| FE1 M4(5*4) | FE 1 | M4 | 5 | 4 | 19 | 30 | 21.5 | 7 |
| FE1 M4(4.5*3.4) | FE 1 | M4 | 4.5 | 3.4 | 19 | 30 | 21.5 | 7 |
| FE1 M6(6*4.9) | FE 1 | M6 | 6 | 4.9 | 19 | 30 | 21.5 | 7 |
| FE1 M8(8*6.2) | FE 1 | M8 | 8 | 6.2 | 19 | 30 | 21.5 | 7 |
| FE1 M10(10*8) | FE 1 | M10 | 10 | 8 | 19 | 30 | 21.5 | 7 |
| FE1 M10(7*5.5) | FE 1 | M10 | 7 | 5.5 | 19 | 30 | 21.5 | 7 |
| FE1 M12(9*7) | FE 1 | M12 | 9 | 7 | 19 | 30 | 21.5 | 7 |
| FE2 M8(6*4.9) | FE 2 | M8 | 6 | 4.9 | 31 | 48 | 35 | 11 |
| FE2 M8(8*6.2) | FE 2 | M8 | 8 | 6.2 | 31 | 48 | 35 | 11 |
| FE2 M10(10*8) | FE 2 | M10 | 10 | 8 | 31 | 48 | 35 | 11 |
| FE2 M10(7*5.5) | FE 2 | M10 | 7 | 5.5 | 31 | 48 | 35 | 11 |
| FE2 M12(9*7.1) | FE 2 | M12 | 9 | 7.1 | 31 | 48 | 35 | 11 |
| FE2 M14(11*9) | FE 2 | M14 | 11 | 9 | 31 | 48 | 35 | 11 |
| FE2 M16(12*9) | FE 2 | M16 | 12 | 9 | 31 | 48 | 35 | 11 |
| FE2 M18(14*11) | FE 2 | M18 | 14 | 11 | 31 | 48 | 35 | 11 |
| FE2 M20(16*12) | FE 2 | M20 | 16 | 12 | 31 | 48 | 35 | 11 |
| FE3 M14(11*9) | FE 3 | M14 | 11 | 9 | 48 | 70 | 55.5 | 13.5 |
| FE3 M16(12*9) | FE 3 | M16 | 12 | 9 | 48 | 70 | 55.5 | 13.5 |
| FE3 M18(14*11) | FE 3 | M18 | 14 | 11 | 48 | 70 | 55.5 | 13.5 |
| FE3 M20(16*12) | FE 3 | M20 | 16 | 12 | 48 | 70 | 55.5 | 13.5 |
| FE3 M24(18*14.5) | FE 3 | M24 | 18 | 14.5 | 48 | 70 | 55.5 | 13.5 |
| FE3 M27(20*16) | FE 3 | M27 | 20 | 16 | 48 | 70 | 55.5 | 13.5 |
| FE3 M30(22*18) | FE 3 | M30 | 22 | 18 | 48 | 70 | 55.5 | 13.5 |
| FE3 M33(25*20) | FE 3 | M33 | 25 | 20 | 48 | 70 | 55.5 | 13.5 |
| FE3 M36(28*22) | FE 3 | M36 | 28 | 22 | 48 | 70 | 55.5 | 13.5 |
