Steep Tapers Steep taper adapter JIS B 6339 Design: - for holding cutting heads and milling cutters with transverse groove DIN 1880 JIS ISO Form Form - from Ø 40 mounting to DIN 2079 possible (4 additional thread holes) 6339 B 7388-2 AD AD/B - similar to DIN 6357 with steep taper JIS B 6339 form AD and form ADB - form ADB: Central coolant supply and resealable coolant ducts at collar Delivery: Complete with tightening bolt Note: - coolant supply bore at front for milling cutter and internal cooling (only 241041 and 241042) - matching accessories see page 24/495 and 24/496 et seq. 24 from size 40 241040 PRECITOOL, shell arbor, form AD, short, G6.3 at 15,000 1/min 241041 HAIMER, shell mill arbor, form AD/B, short, with coolant duct, G2.5 at 22,000 1/min 241042 PRECITOOL, shell mill arbor, form AD/B, short, with coolant duct, G2.5 at 25,000 1/min BT/d1mm 241040 241041241040241041241042d×l31d×l31mmmm241042d×l31mml2LockingmmthreadBT/d1mm 241040 241041241040241041241042d×l31d×l31mmmm241042d×l31mml2Lockingmmthread 30×16   — 38 × 35 36 × 35 — 17 M12 40×40    88 × 55 87 × 70   88 × 55 27 M16 30×22   — 48 × 40 42 × 35 — 19 M12 50×16  —  38 × 35 —   38 × 35 17 M24 30×27   — 58 × 40 42 × 35 — 21 M12 50×22    48 × 55 48 × 55   48 × 55 19 M24 40×16    38 × 35 36 × 35 38 × 35 17 M16 50×27    58 × 55 60 × 55   58 × 55 21 M24 40×22    48 × 45 48 × 35 48 × 45 19 M16 50×32    78 × 55 78 × 55   78 × 55 24 M24 40×27    58 × 45 48 × 35 58 × 45 21 M16 50×40    88 × 55 89 × 55   88 × 55 27 M24 40×32    78 × 50 78 × 65 78 × 50 24 M16 50×60 — —  — — 129 × 80 32 M24 241044 HAIMER, shell mill arbor, form AD/B, long, with coolant duct, G2.5 at 22,000 1/min 241046 PRECITOOL, shell mill arbor, form AD/B, long, with coolant duct, G2.5 at 25,000 1/min BT/d1mm 241044 241046 241044d3 × l1mm 241046d3 × l1mm l2 LockingmmthreadBT/d1mm 241044 241046 241044d3 × l1mm 241046d3 × l1mm l2 Lockingmmthread 40×16 —  — 38 × 100 17 M16 50×16 —  — 38 × 100 17 M24 40×22   48 × 100 48 × 100 19 M16 50×22   48 × 100 48 × 100 19 M24 40×27   48 × 100 48 × 100 21 M16 50×27   60 × 100 48 × 100 21 M24 40×32 —  — 78 × 100 24 M16 50×32   78 × 100 78 × 100 24 M24 40×40 —  — 88 × 100 27 M16 50×40 —  — 88 × 100 27 M24 24/440 www.precitool.de