HSK-A63 ER collet chucks
HSK-A63 ER40 Collet Chucks (DIN 69893-1): Gauge Lengths 120, 140 and 150 mm
HSK-A63 ER40 collet chucks hold round-shank drills, reamers and end mills in a DIN 6499 ER40 collet, closed by the ER40 clamping nut (M30x1.5). PTP makes them with an HSK-A shank (DIN 69893-1 / ISO 12164-1) in gauge lengths of 120, 140 and 150 mm, for tool shanks of 3–26 mm. Ordering codes: 3. HSK-A tapers are clamped by the spindle itself, so no pull stud is needed. Taper AT3 or better, TIR 0.005 mm max, balanced G2.5 @ 25,000 rpm.
HSK-A63 ER40 collet chucks: 3 ordering codes
Every ordering code opens its own page with the drawing and every dimension (mm).
| Ordering code | Clamping Range | Nut Ø (d) | Gauge Length (GPL) |
|---|---|---|---|
| 47HSKA63ER40120 | 3–26 mm | 63 mm | 120 mm |
| 47HSKA63ER40140 | 3–26 mm | 63 mm | 140 mm |
| 47HSKA63ER40150 | 3–26 mm | 63 mm | 150 mm |
HSK-A63 ER40 collet chuck
PTP catalogue drawing, dimensions in mm
Questions about HSK-A63 ER40 collet chucks
What is the clamping range of an HSK-A63 ER40 collet chuck?
3–26 mm. ER40 collets to DIN 6499 clamp tool shanks from 3 to 26 mm, one collet for each size step.
Does an HSK-A63 ER40 collet chuck need a pull stud?
No. The spindle clamps the HSK-A taper from inside. For through-spindle coolant it takes the 47CTHA063 HSK coolant tube.
Which nut and collets fit an HSK-A63 ER40 collet chuck?
ER40 collets to DIN 6499 and the ER40 clamping nut: slotted 36CCNER40. For coolant-through tools, an ER40 sealing ring (15 sizes, 36CCNER40SR060 to 36CCNER40SR200).