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HAM 292    Solid carbide twist drill, 8 X D
 
design features:
•  special point ground
•  special chip flute geometry
•  web thickness reinforced
•  30° RH helix
 
Advise for very long drilling tools:
1.) For spot drilling it is recommended to reduce the feed rate to 25-50% of the
machining feed rate.
2.) A pilot drilling is recommended in special cases. (same boring depth diameter,
approx. 1 x D)

Ordering Number    30-1821
  (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 72 34 29   9.00 10.00 142 95 80
3.10 6.00 72 34 29   9.50 10.00 142 95 80
3.20 6.00 72 34 29   10.00 10.00 142 95 80
3.30 6.00 72 34 29   10.20 12.00 162 114 96
3.40 6.00 72 34 29   10.50 12.00 162 114 96
                     
3.50 6.00 72 34 29   11.00 12.00 162 114 96
3.60 6.00 72 34 29   11.50 12.00 162 114 96
3.70 6.00 72 34 29   12.00 12.00 162 114 96
3.80 6.00 81 43 36   12.50 14.00 178 131 112
3.90 6.00 81 43 36   13.00 14.00 178 131 112
                     
4.00 6.00 81 43 36   13.50 14.00 178 131 112
4.10 6.00 81 43 36   14.00 14.00 178 131 112
4.20 6.00 81 43 36   14.50 16.00 203 152 128
4.30 6.00 81 43 36   15.00 16.00 203 152 128
4.40 6.00 81 43 36   15.50 16.00 203 152 128
                     
4.50 6.00 81 43 36   16.00 16.00 203 152 128
4.60 6.00 81 43 36   16.50 18.00 222 171 144
4.70 6.00 81 43 36   17.00 18.00 222 171 144
4.80 6.00 95 57 48   17.50 18.00 222 171 144
4.90 6.00 95 57 48   18.00 18.00 222 171 144
                     
5.00 6.00 95 57 48   18.50 20.00 243 190 160
5.50 6.00 95 57 48   19.00 20.00 243 190 160
6.00 6.00 95 57 48   19.50 20.00 243 190 160
6.50 8.00 114 76 64   20.00 20.00 243 190 160
6.80 8.00 114 76 64            
                     
7.00 8.00 116 76 66            
7.50 8.00 116 76 66            
7.80 8.00 116 76 66            
8.00 8.00 116 76 66            
8.50 10.00 142 95 80            
We have the right to make technical changes.



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