Milling Chuck BT 40 - 20 - 90Application: For mounting straight shank tools. 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

wrench and collets

200 x 63 x 18

Low-vibration boring barsWith internal coolingLonger durability of insertsFor longitudinal and plane turningSetting angle: 93°Delivery: without inserts

Unit Selection : Nm

The internal thread provided in the PSK tool holder for

Key insert extended

Contact surface precision grinded

Shell mill holders DIN 6357

For mounting straight-shank tools and inclined flat according to DIN 1835 form E (Whistle Notch)

The internal thread provided for the coolant tube in the PSC toolholder is plugged with the socket-head screw incorporated in the adapter

For mounting tools with Morse taper shanks

- The steel body is hardened and grinded all-round