HAM 280   HAM 283   HAM 285   HAM 286   HAM 292   HAM 293 

 
 HAM 30-1861 (HAM 293 Superdrill)  solid carbide spiral drill   12 X D
 Engineering data
 • 4 guide chamfer
• special point ground
 • special chip flute geometry
 • reinforced web thickness
 • 30° RH helix

 Material
 30-1861
    very suitable       limited suitable

cutting material
solid carbide ultra micro grain
number of teeth - 2 helix angle
30° right hand fluted
HAM Standard 12 x Diameter HAM Standard Point angle 140° Shank HA with IC
Special-polishing process Interior Coolant High Performance Cutting Shrink Fit Shank HB with IC Shank HE with IC

Ø d1
(h7)
mm
l3

mm
l2

mm
l1

mm
Ø d2
(h6)
mm
  Ø d1
(h7)
mm
l3

mm
l2

mm
l1

mm
Ø d2
(h6)
mm
3    48 54 92 6     7.7 94 108 146 8
3.3 48 54 92 6    8   94 108 146 8
3.5 48 54 92 6     8.1 110 120 162 10
3.8 58 64 102 6     8.2 110 120 162 10
4    58 64 102 6     8.4 110 120 162 10
                     
4.2 58 64 102 6    9   110 120 162 10
4.5 58 64 102 6     9.8 110 120 162 10
4.8 70 78 116 6   10    110 120 162 10
5    70 78 116 6   10.5 142 156 204 12
5.5 70 78 116 6   11.2 142 156 204 12
                     
6    70 78 116 6   12    142 156 204 12
6.5 94 108 146 8            
6.6 94 108 146 8            
6.8 94 108 146 8            
7    94 108 146 8            


We reserve the right to make technical changes.

Copyright ©      GP SYSTEM (SINGAPORE) PTE LTD     All Rights Reserved.
No.51 Bukit Batok Crescent    #04-05 Unity Centre    Singapore 658077     Tel: (65) 68612663     Fax: (65) 68613500     Email: enquiry@gpsystem.com