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HAM 280    Solid carbide twist drill, 3 X D
 
design features:
•  special point ground
•  special chip flute geometry
•  web thickness reinforced
•  30° RH helix
 

Ordering Number    30-1621
  (ALOX SN Coating)
d1 m7 mm d2 h6 mm l1 mm l2 mm l3 mm   d1 m7 mm d2 h6 mm l1 mm l2 mm l3 mm
3.00 6.00 62 20 14   12.50 14.00 107 60 43
3.30 6.00 62 20 14   13.00 14.00 107 60 43
3.50 6.00 62 20 14   13.50 14.00 107 60 43
4.00 6.00 66 24 17   14.00 14.00 107 60 43
4.20 6.00 66 24 17   14.50 16.00 115 65 45
                     
4.50 6.00 66 24 17   15.00 16.00 115 65 45
5.00 6.00 66 28 20   15.50 16.00 115 65 45
5.50 6.00 66 28 20   16.00 16.00 115 65 45
6.00 6.00 66 28 20   16.50 18.00 123 73 51
6.50 8.00 79 34 24   17.00 18.00 123 73 51
                     
6.60 8.00 79 34 24   17.50 18.00 123 73 51
6.80 8.00 79 34 24   18.00 18.00 123 73 51
7.00 8.00 79 34 24   18.50 20.00 131 79 55
7.50 8.00 79 41 29   19.00 20.00 131 79 55
8.00 8.00 79 41 29   19.50 20.00 131 79 55
                     
8.50 10.00 89 47 35   20.00 20.00 131 79 55
9.00 10.00 89 47 35   22.00 25.00 165 105 75
9.50 10.00 89 47 35   24.00 25.00 165 105 75
10.00 10.00 89 47 35   25.00 25.00 165 105 75
10.20 12.00 102 55 40   26.00 32.00 190 126 90
                     
10.50 12.00 102 55 40   28.00 32.00 190 126 90
11.00 12.00 102 55 40   30.00 32.00 190 126 90
11.50 12.00 102 55 40            
11.80 12.00 102 55 40            
12.00 12.00 102 55 40            
We have the right to make technical changes.



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