Provides approximately 2:1 grip advantage.

Wide clamping range for all drilling applications.

ER8 and ER11 0,5mm (.020″) range of collapse.

ER16, ER20, ER25, ER32, and ER40 1mm (.040″) range of collapse.

Available in both metric and inch sizes.

Manufactured to DIN 6499 Class 2 accuracy’ see page [REFERENCE].

SAP Material Number1729834
ISO Catalog Number20ER0250
Collet SeriesER20
[D1] Clamping Diameter Maximum6.35 mm
[D2] Body Diameter Maximum21 mm
[L] Overall Length 31.5 mm
[CCCX] Collet Capacity Maximum6.35 mm
[CCCN] Collet Capacity Minimum5.334 mm
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