ER-Collet chuck BT 50 - 2/16 - 70 |ER 25

ER-Collet chuck BT 50 - 2/16 - 70 |ER 25Application: For mounting straight shank tools in collets. Delivery: With balanced clamping nut All holders are made of forged steel Specific, low warpage hardened Surface hardened HRC 58~60 Hardening depth 0,8mm~0,9mm Taper angle tolerance < AT 3 according to DIN 2080 Surface roughness Ra < 0,4 m Tensile strength in the core of min. 800 N mm after DIN All functional surfaces fine machined

Completely made of steel

Extremely strong holding force (increases the holding power by at least 60% compared to standard ER chuck)

longer tool life

ADJRGA = Length adjustment range

cross head retaining screw and cylinder head retaining screw for cutters with central coolant

Eingebauter Niederzug

For the coolant supply through the centre of  HSK toolholders

bei Ø 6 – Ø 32 mm = h232

stress-relieved and precision ground

Suitable for blind holes

All holders are made of forged steel

for disassembling adaptor sleeves