Sk40 Er20 Collet Chuck Sk40 Er20a-70L,100L Size:SK40ER20-100L made of carbon steel

made of carbon steel

BT50 locking device BT50 Locking device with Vertical and Horizontal mode to tighten Nut and Pull stud made of Steel and long life

if total length increase flute length remain same of double of diameter

Graduation:  ±0

375 tip w/wiggler & centering point

Sk40 Er20 Collet Chuck Sk40 Er20a-70L,100L Size:SK40ER20-100L made of carbon steelSK40 Tool Holder accepts all ER20 collets ER20 Collets range from 1 mm to 14 mm Thread inside the internal stop screwMade from alloy steel hardened to 54 56rcBalanced to G6. 3 at 12,000 rpmsConcentricity is less than . 005 micron up to 100 Length and 0. 012 up to 200 Length. All critical tool holder surfaces are precision groundCoolant through capabilityGage length is 70mm,100mm,150mm,200mmRear thread for pull stud is M16 X 2. 0 All holders can be