Material: 65Mn
Standard: DIN6499B
Accuracy<0.015mm
Hardness:HRC44-48
Product Details
| Order No | Numerical aperture(mm) | D | L | d |
| ER16S | 3-7 | 16.74 | 27.5 | 2-10 |
| ER20S | 3-9 | 20.74 | 31.5 | 2-13 |
| ER25S | 3-14 | 25.74 | 34 | 2-16 |
| ER32S | 3-20 | 32.74 | 40 | 2-20 |
| ER40S | 3-26 | 40.74 | 46 | 3-26 |
FAQ
Q1: What the collet used for?
A1: ERS collet is DIN6499B standard spring clamping component, widely used in CNC milling, lathe, engraving machine. It clamps cutting tools for high‑precision machining.
Q2: What is the monthly production volume of the collet?
A2: 10,000 - 20,000 pieces
Q3: What material, hardness and accuracy?
A3: Material: 65Mn spring steel.Accuracy: 0.015 mm TIR for selection.
Q4: What equipment is it compatible with?
A4: Complies with DIN6499B standard. Fits all standard ER tool holders, applicable for CNC machine, milling machine, engraving machine.
Q5: Do you support OEM & custom service?
A5: Yes. We support OEM, custom non‑standard size, laser logo, special package. Samples are available.
Q6: How can I get quotation?
A6: Send us your required model, quantity and special requirements for quotation.
Q7: What is your quality control process?
A7: Strictly controlled on heat treatment, precision grinding. Each piece inspected with testing equipment, inspection report can be provided upon request.
Q8: Any tips for proper selection?
A8: Select collet size close to tool shank diameter. Do not use at extreme clamping limit to guarantee accuracy and service life.
Q9: MOQ & lead‑time?
A9: Standard items: no strict MOQ, 3‑7 working days. Custom/OEM: MOQ 200pcs, 15‑25 working days.
Q10: Warranty terms?
A10: Manufacturing defects support replacement within 6 months. Damage from crash, misuse or normal wear is not covered.
Catalog is available for download.
https://www.httools.com/data/upload/main/20260730/6a6ab0277d331.pdf
Download
Other Products
Used for boring, milling, drilling, tapping, grinding and engraving operationetc.
The collet does not have an elastic shrinkage range, emphasizing the clamping force
This unit is used for boring,milling,drilling,tapping,grinding and engraving operation etc.
Used for boring, milling, drilling, tapping, grinding and engraving operation, etc.
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Contact Us
Tel: +86 534 425 1888
Mob/WhatsApp/Wechat: +86 137 9138 1619
E-mail: jacksun@ht-tools.net
Add.:East Area of Economic Development Area, Pingyuan County, Shandong Province. China 253100
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