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HAM 297
Solid carbide multi-drill - 3 x D
short type, with two
straight flutes and
interior coolant
supply acc. DIN 6537
point angle 140°		 [HAM 297]
right hand cut with cylindrical shank acc. DIN 6535 HAK
Applications and solid carbide grades:
K10 ultra micro grain 6-8% Co
Machining of short chipping materials like cast iron, malleable
cast iron, ALSi-alloy, CuZn-alloy (brass) and bronze.
Excellent performance with top surface quality, precise measuring
and exact positioning.
For machining of spheroidal graphite Cast GGG 50 and higher
quality we recommend the additional grinding of chip breakers.

Part No. d1 H7 mm d2 h6 mm l1 mm l2 mm l3 mm
297-0400 4.00 6.00 66 24 17
297-0420 4.20 6.00 66 24 17
297-0500 5.00 6.00 66 28 20
297-0600 6.00 6.00 66 28 20
297-0680 6.80 8.00 79 34 24
           
297-0700 7.00 8.00 79 34 24
297-0800 8.00 8.00 79 41 29
297-0850 8.50 10.00 89 47 35
297-0900 9.00 10.00 89 47 35
297-1000 10.00 10.00 89 47 35
           
297-1020 10.20 12.00 102 55 40
297-1050 10.50 12.00 102 55 40
297-1100 11.00 12.00 102 55 40
297-1200 12.00 12.00 102 55 40
297-1400 14.00 14.00 107 60 43
           
297-1600 16.00 16.00 115 65 45
297-1800 18.00 18.00 123 73 51
297-2000 20.00 20.00 131 79 55

We have the right to make technical changes.


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