Page 630 - ISCAR(MILLINGCATALOG 38_2021)
P. 630
BT MAS-403 Toolholder Standard Type A d3 G L4 L1 8° 17'50" a f1 f3 d6 d5 L6 b
No through coolant
”ADB” holders provide both “AD”
and “B” type coolant flow options
d1
Type AD
Central coolant hole d
Type B 20º
Coolant through flange max. 35º
d12
e1
e1
Type ADB
Center coolant hole or
coolant through flange
Shank a b (H12) d d1 G d3 (H8) d5 d6 (H8) f1 ±0.1
BT 30 2 16.1 8 31.75 M12 12.5 56.144 46 13.6
BT 40 2 16.1 10 44.45 M16 17.0 75.679 63 16.6
BT 50 3 25.7 15 69.85 M24 25.0 119.020 100 23.2
Shank f3 L1 ±0.2 L4 MIN L6-0.2 e1 ±0.1 d12 Taper AT3
BT 30 20 48.4 24 16.3 21 4 0.002
BT 40 25 65.4 30 22.6 27 4 0.003
BT 50 35 101.8 45 35.4 42 6 0.004
628 ISCAR
