Hydraulic expansion chuck BT 40-25-90 JIS B 6339 (MAS-BT) AD/B in wooden box

Consisting of: Dia.: 6,8,10,12,16,20Reduction sleeves are coolant proof+ wooden Box 701.R25

Application:
For mounting straight-shank tools acc. DIN 1835 form A+B+E and DIN 6535 form HA+HB+HE (larger than dia. 20 mm only with reduction sleeve).

Note:
l1 = max. clamping depth l2 = max. length adjustment range

Delivery:
Without wrench

• 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 µm
• Tensile strength in the core of min. 800 N/mm² according to DIN
• All functional surfaces finely machined