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Kilowood ER40 3/8" ER Collet Clamping Range 0.3750"-0.3350" 0.0003" Runout
Only 4 left in stock.
Fulfilled by Toolots.
WARRANTY:90-Days Warranty For Parts, Service and Repair by: 
1. Made of special 65Mn alloy steel and hardened to HRC 46-50.
2. It can be widely used for boring, milling, drilling and tapping operation.
3. All critical collet surfaces are precision ground for accurate fit.
4. Runout tolerance within 0.0003" at 4xd position.
The following schematic diagrams and product pictures are only for reference.
If you have any questions, please contact us.
◆ Made from 65Mn alloy steel and hardened to HRC 46-50
◆ All fractional size is true imperial size, not a metric conversion size
◆ All collets are checked its runout individually on 4 contact points by a high tolerance bench marked testing rod
◆ On size 1/8" and larger the runout is .0003"; under size 1/8 the runout is .00059"
◆ The size of the collet is the largest size it can hold and able to hold anything smaller within the collapsing range
This collet size is true fractional size, not a metric converting size and the surface on this collet has been
specially treated to increase its tool life. Runout is .0003".
| Condition | Brand-New |
| Brand | Kilowood |
| SKU | Q000042284 |
| Collet Series | ER40 |
| Collet Grip Range | 0.3750"-0.3350" |
| Size | 3/8" |
| Diameter(D1) | 1.61" |
| Overall Length (L) | 1.78" |
| Runout | ≤0.0003" |
| Net Weight | 7.00 oz |
| Gross Weight |
7.50 oz |
- 17785 CENTER COURT DRIVE, SUITE 300, Cerritos, CA 90703
- 17783 Indian St, Moreno Valley, CA. 92551
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