Morse taper adaptor SK 50 - 4 - 85Application: For clamping tools with Morse taper shank and thread according to DIN 228 1 form A. Delivery: With built in tightening bolt 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

Improves chip evacuation and decreases the risk for chip jamming

In machining centres (machines with automatic tool changers)

For mounting straight-shank tools in collet chucks DIN 6499

Taper angle tolerance < AT 3 according to DIN 2080

Collets sealed with seal for IC DIN 6499 B (ISO 15488 B) ER-system

- Maximum concentricity <0

HSS-Co5 Twist drill DIN338 d=6

For machining centres with synchronous spindle

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

In NC machines (machines without automatic tool changers)

For mounting straight-shank tools

With retaining screw