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TUNGSTEN VANADIUM STEEL TWIST DRILLS

     
Size
 
 
  ISO No.  
(in)
(mm)
 
Grobet USA
Busch
 
  005  
.0197"
 
.50
 
28.584G
28.584
 
  006  
.0236"
 
.60
 
28.585G
28.585
 
  007  
.0276"
 
.70
 
28.586G
28.586
 
  008  
.0315"
 
.80
 
28.587G
28.587
 
  009  
.0354"
 
.90
 
28.588G
28.588
 
  010  
.0393"
 
1.00
 
28.589G
28.589
 
  011  
.0441"
 
1.10
 
28.58901G
 
  012  
.0472"
 
1.20
 
28.590G
28.590
 
  013  
.0500"
 
1.30
 
28.59001G
 
  014  
.0512"
 
1.40
 
28.591G
28.591
 
  015  
.0591"
 
1.50
 
28.592G
28.592
 
  016  
.0630"
 
1.60
 
28.593G
28.593
 
  017  
.0689"
 
1.70
 
28.59301G
 
  018  
.0709"
 
1.80
 
28.594G
28.594
 
  020  
.0787"
 
2.00
 
28.59402G
 
  021  
.0827"
 
2.10
 
28.595G
28.595
 
  022  
.0866"
 
2.20
 
28.59501G
 
  023  
.0906"
 
2.30
 
28.596G
28.596
 
     
 
 
 
 
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