ER.SIRI SPRING COLLET
1. Diperbuat daripada bahan keluli elastik khas
2. Kuasa pengapit keupayaan, ketepatan yang tepat
3. Digunakan untuk membosankan, mengisar, menggerudi, mengetuk, mengisar dan mengukir puisi dll.
| Barang No | Model | D(mm) | D1 | D2 | L(mm) | L1 | L2 | L3 | α | Julat pengapit | |
| mm | in | ||||||||||
| 561257 | ER8 | 8 | 8.45 | 6.5 | 13.5 | 2.98 | 1.5 | 1.2 | 16° | 0.5–5 | 1/64-3/16 |
| 561261 | ER11 | 11 | 11.5 | 9.5 | 18 | 3.8 | 2.5 | 2 | 16° | 0.5–7 | 1/64-9/32 |
| 561265 | ER16 | 16 | 17 | 13.8 | 27.5 | 6.26 | 4 | 2.7 | 16° | 0.5–10 | 1/64-3/8 |
| 561267 | ER20 | 20 | 21 | 17.4 | 31.5 | 6.36 | 4.8 | 2.8 | 16° | 1–13 | 3/64-33/64 |
| 561269 | ER25 | 25 | 26 | 22 | 34 | 6.66 | 5 | 3.1 | 16° | 1–16 | 3/64-5/8 |
| 561271 | ER32 | 32 | 33 | 29.2 | 40 | 7.16 | 5.5 | 3.6 | 16° | 3-16 | 1/8-1 |
| 561273 | ER40 | 40 | 41 | 36.2 | 46 | 7.66 | 7 | 4.1 | 16° | 3-16 | 1/8-1 |
| 561275 | ER50 | 50 | 52 | 46 | 60 | 12.6 | 8.5 | 5.5 | 16° | 5-34 | 16/3–1-11/32 |
Pemeriksaan ketepatan
| D | L | Habis rolerance | ||||
| A | B | C | I | II | ||
| 1.0-1.6 | 6 | 0.005 | 0.008 | 0.01 | 0.01 | 0.015 |
| >1.6-3.0 | 10 | |||||
| >3.0-6.0 | 16 | |||||
| >6.0-10.0 | 25 | |||||
| >10.0-18.0 | 40 | 0.015 | 0.02 | |||
| >18.0-26.0 | 50 | |||||
| >26.0-30.0 | 60 | |||||
| >30.0-34.0 | 80 | 0.02 | 0.03 | |||
