Our line of high-quality ER Collet Chuck offers more rigidity and better accuracy than the competition.
Learn what make Lyndex-Nikken ER Collet Chuck unique
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Straight Shank ER Collet Chuck available for Swiss machines: check out our product line here!
Features
- ball bearing nut with ground collet race improves chucking consistency
- ground surface for perpendicular contact between retention knob and holder
- AT3 or better taper contact
- equipped with left-hand-threaded stop screw
- available in high-speed balanceable version
- coolant-thru capable
| ER Collet Chuck | End Mill Holder | |
| Runout at 4x Diameter | 0.0001 at collet face | varies |
| Torque (1/2” shank) | 100 N.m | Breaking point |
| Chucking Capacity | 1” | 2” |
| Max. Speed(rpm) | up to 23,000 | up to 10,000 |
| Collet Style | 16 deg. short taper | n/a |
| Coolant Option | thru/collet slots | jet slots |
| DIN option | yes | yes |
| 3-Lock option (Dual Contact Spindle) | n/a° | n/a |
| Noise harmonic vibration | medium/high | medium |
| Taper size available | CAT 40, 50, BT30, 40, 50, HSK40/63/100A, straight shank | CAT 40, 50, BT30, 40, 50, HSK40/63/100A |
When removing the back-up screw, our ER Collet Chucks have coolant-thru capabilities. No disc, special nut or wrench required!
View details about our ER Coolant Collets
ER Collet features
- Quality standard: made to DIN 6499 specification
- Material: high tensile chromium molybdenum alloy provides greater hardness and less material deformation compared to tradtional spring steel collets
- Tolerance: guaranteed to be within 0.0001" or better runout at the collet nose
- Accuracy: less than 0.0004" at 4 times the diameter
- Inspection: 100% collet inspection, checked 3 times for concentricity
Dimensional data
| Style | D | D1 | L | Collet Range | Coolant Collet |
| ER16 | 17.2mm | 11.3mm | 27.0mm | 0.5 - 10.0mm | 4.0 - 10.0mm (3/16” - 17/64”) |
| ER20 | 21.2mm | 14.5mm | 31.0mm | 1.0 - 13.0mm | 5.0 - 13.0mm (5/32” - 1/2”) |
| ER25 | 26.2mm | 18.5mm | 35.0mm | 1.0 - 16.0mm | 6.0 - 16.0mm (7/32” - 5/8”) |
| ER32 | 33.2mm | 24.4mm | 40.0mm | 2.0 - 20.0mm | 10.0 - 20.0mm (1/4” - 25/32”) |
| ER40 | 41.2mm | 31.2mm | 46.0mm | 3.0 - 26.0mm | 26.0mm 10.0 - 26.0mm |
