High Performance Milling Chuck BT 40-25-90 JIS B 6339 (MAS-BT) HKS-system in wooden boxApplication: 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

Retaining screw for mounting of face mills arbors

For machines with rigid tapping

(applicable up to 21 bar)

800 N/mm² after DIN

SK 30 without coolant exit bores on the end faceDelivery:

Collection of collets

critical factors for successful deep face grooving operations

Collet chucks and wrenches to be ordered separately

shank form UF

driving ring and feather key

- Maximum concentricity <0

Sealing capacity up to 80 bar