Morse taper adaptor BT 50 - 4 - 70

Morse taper adaptor BT 50 - 4 - 70Application: 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

without cooling lubricant supply

- Longer-lived than standard collets

Minimal length compensation on compression and expansion balances very small pitch differences between synchro spindle and tap

For highest axial and radial loading

With clamping screw and axial adjustment bolt

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

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

800 N/mm² after DIN

which can cause high frictional forces on the thread flanks

DIN 1835 form A+B+E and DIN 6535 form HB+HE (larger than Ø 20 mm only with reduction sleeve)

thin thread and pitch diameter oversize

For tools with taper shanks DIN 69871 and JIS B 6339 (MAS-BT)