High Precision ER Milling Chuck Set
ER milling chuck set is a high-precision collet chuck set ,the collets are spring-loaded, so they can grip a range of sizes. This chuck set is perfect for use with mills and other precision machines.
| Order No. | Hole Size | PCS /SET | |
| inch | mm | ||
| ER16-8in(mm) | 3/32 1/8 3/16 7/32 1/4 5/16 11/32 3/8 |
2 3 4 5 6 7 8 10 | 8 |
| ER25-6in(mm) | 1/8 3/16 5/16 3/8 1/2 5/8 | 4 6 8 10 12 16 | 6 |
| ER25-10in(mm) | 3/32 1/8 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 |
3 4 5 6 8 10 12 14 15 16 | 10 |
| ER32-6in(mm) | 1/4 5/16 3/8 1/2 5/8 3/4 | 6 8 10 12 16 20 | 6 |
| ER32-12in(mm) | 3/32 1/8 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 |
3 4 5 6 8 10 12 14 15 16 18 20 | 12 |
| ER40-8in(mm) | 1/8 1/4 3/8 1/2 5/8 3/4 7/8 1 | 3 5 8 12 15 18 22 26 | 8 |
| ER140-15in(mm) | 1/8 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8 15/16 1 |
3 4 5 6 8 10 12 14 15 16 18 20 22 24 26 |
15 |
Thread of Draw Bar
| Taper of collet chuck | Thread of draw bar | |
| R8 | 7/16＂-20UNF | |
| 7:24 30 | M12×1.75 | 1/2＂-13UNC |
| 7:24 40 | M16×2.0 | 5/8＂-11UNC |
| 7:24 50 | M24×3.0 | 1＂-8UNC |
| MS2 | M10×1.5 | 3/8＂-16UNC |
| MS3 | M12×1.75 | 1/2＂-13UNC |
| MS4 | M16×2.0 | 5/8＂-11UNC |
| MS5 | M20×2.5 | 3/4＂-10UNC |
| MS6 | M24×3.0 | 1 ＂ -8UNC |
Please notify the thread of collet chuck draw bar and the specification of collets (metric or inch)
Please notify the length of straight shank and dia.
We are glad to supply collets and chucks with different shank and quantities according to your requirement.
