ER-Collet chuck BT 40 - 3/26 - 160 | ER 40Application: 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

Mainly for external machining

The internal thread provided in the PSK tool holder for

Ring gauge accuracy according to DIN 2250Delivery:

clamping depth = 41

For parts with delicate clamping surfaces

Carbide tipped measuring faces

Test certificate

Thread confi guration with a special design

Minimum internal diameter measurement capability of 20mm

for clamping holders with coolant channels directly to the cutting edge

Eingebauter Niederzug

- The steel body is hardened and grinded all-round