Product Name: ER Spring Collet
Material: 65Mn
Usage: Milling Drilling
Accuracy: 0.005mm 0.008mm 0.015mm
Standard: DIN6499B ER Collets Chuck
Clamping range: 1-34mm
Type: ER8 ER11 ER16 ER20 ER25 ER32 ER40
Color: Silver Grey
Service: OEM
Inspection: 100% Inspection
1. Made of special elastic steel material
2. Power clamping ability, precise accuracy
3. Used for boring, milling, drilling, tapping, grinding and engraving operationetc.
Mounting instruction for ER collets and nuts
1. Put the collet into the nut, tum the collet sighly, pust it into the nut at ghe offered direction evenly, When the offset flange into the undercut of the collet.
2. Fix the nut and the collet on the spindle rotate the nut until the collet is in pressing. Wipe the straight shank of cutter, and insert it into the pilot hole, Tighten the unt with a wrench till the cutter is clamped heavily (Caution: never tighten the nut without cutter in it for it will break).
3. When changing the tool, Loosen the nut and it shall bring out the collet and the cuter together, and then draw the cuter out push out slightly the collet in the offered direction, it shall be ready for any change of the cutter.
Product Details
| HT-0001 | ER SERIES COLLETS WITH STANDARD DIN6499B | ||||||||
| Model | d H7 | D | D1 | D2 | L | L1 | L2 | L3 | Collapsible capacity |
| ER8 | ≥1.0-5.0 | 8 | 8.45 | 6.5 | 13.5 | 2.98 | 1.5 | 1.2 | 0.5 |
| ER11 | ≥1.0-7.0 | 11 | 11.5 | 9.5 | 18.0 | 3.8 | 2.5 | 2.0 | 0.5 |
| ER16 | ≥1.0-2.5 | 16 | 17 | 13.8 | 27.5 | 6.26 | 4.0 | 2.7 | 0.5 |
| >2.5-10.0 | 16 | 17 | 13.8 | 27.5 | 6.26 | 4.0 | 2.7 | 1.0 | |
| ER20 | ≥1.0-2.5 | 20 | 21 | 17.4 | 31.5 | 6.36 | 4.8 | 2.8 | 0.5 |
| >2.5-13.0 | 20 | 21 | 17.4 | 31.5 | 6.36 | 4.8 | 2.8 | 1.0 | |
| ER25 | ≥1.0-2.5 | 25 | 26 | 22.0 | 34.0 | 6.66 | 5.0 | 3.1 | 0.5 |
| >2.5-16.0 | 25 | 26 | 22.0 | 34.0 | 6.66 | 5.0 | 3.1 | 1.0 | |
| ER32 | ≥2.0-2.5 | 32 | 33 | 29.2 | 40.0 | 7.16 | 5.5 | 3.6 | 0.5 |
| >2.5-20.0 | 32 | 33 | 29.2 | 40.0 | 7.16 | 5.5 | 3.6 | 1.0 | |
| ER40 | ≥3.0-26.0 | 40 | 41 | 36.2 | 46.0 | 7.66 | 7.0 | 4.1 | 1.0 |
| ER50 | ≥6.0-10.0 | 50 | 52 | 46.0 | 60.0 | 12.6 | 8.5 | 5.5 | 1.0 |
| >10.0-34.0 | 50 | 52 | 46.0 | 60.0 | 12.6 | 8.5 | 5.5 | 2.0 | |
| Inspection of Accuracy | |||
| D | L | Run out toierance | |
| Ⅰ | Ⅱ | ||
| 1.0-1.6 | 6.00 | 0.01 | 0.02 |
| >1.6-3.0 | 10.00 | ||
| >3.0-6.0 | 16.00 | ||
| >6.0-10.0 | 25.00 | ||
| >10.0-18.0 | 40.00 | 0.02 | 0.02 |
| >18.0-26.0 | 50.00 | ||
| >26.0-30.0 | 60.00 | ||
| >30.0-34.0 | 80.00 | 0.02 | 0.03 |
Other Products
A set included: 1 collet chuck, 1 clamping nut, full set of collets and 1 spanner.
Used for boring, milling, drilling, tapping, grinding and engraving operation, etc.
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Contact Us
Tel: +86 534 425 1888
Mob/ Wechat: +86 137 9138 1619
E-mail: jacksun@ht-tools.net
WhatsApp: +86 137 9138 1619
Add.:East Area of Economic Development Area, Pingyuan County, Shandong Province. China 253100
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