HSK-A63 ER collet chucks
HSK-A63 ER20 Collet Chucks (DIN 69893-1): Gauge Lengths 100, 120 and 150 mm
HSK-A63 ER20 collet chucks hold round-shank drills, reamers and end mills in a DIN 6499 ER20 collet, closed by the ER20 clamping nut (M12x1.5). PTP makes them with an HSK-A shank (DIN 69893-1 / ISO 12164-1) in gauge lengths of 100, 120 and 150 mm, for tool shanks of 1–13 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 ER20 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) |
|---|---|---|---|
| 47HSKA63ER20100 | 1–13 mm | 34 mm | 100 mm |
| 47HSKA63ER20120 | 1–13 mm | 34 mm | 120 mm |
| 47HSKA63ER20150 | 1–13 mm | 34 mm | 150 mm |
HSK-A63 ER20 collet chuck
PTP catalogue drawing, dimensions in mm
Questions about HSK-A63 ER20 collet chucks
What is the clamping range of an HSK-A63 ER20 collet chuck?
1–13 mm. ER20 collets to DIN 6499 clamp tool shanks from 1 to 13 mm, one collet for each size step.
Does an HSK-A63 ER20 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 ER20 collet chuck?
ER20 collets to DIN 6499 and the ER20 clamping nut: slotted 36CCNER20 or hex 36CCNER20A. For coolant-through tools, an ER20 sealing ring (8 sizes, 36CCNER20SR060 to 36CCNER20SR130).
ER collets DIN 6499 Slotted ER collet nuts Hex ER collet nuts ER sealing rings