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Whole Horniness Alloy Twist Drills
     
 
 
 
 
 
Technology Parameter
diameter£¨d£©
 long£¨l£©
 Total long£¨L£©
 diameter£¨d£©
 long£¨l£©
 Total long£¨L£©
0.4-0.55
 4
 25 6.1-7
 32
 60
0.6-11
 8 30 7.1-12
 38
 70
1.2-1.7
 16 36 12.1-14
 40
 80
2.0-2.5
 18 40 15-16
 45-50
 100
2.6-3.0
 18 40      
3.1-3.9
 25 50      
4.0-5
 28 50      
5.1-6
 30 60      

 

 
 
 
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