Untitled Document
 
  Untitled Document
 
 
 
 
 
Drill
Standard
Pipe
Standard
Drill
Standard
Pipe
Standard
2.40~2.49 2.3 5.50~5.69 5.3
2.50~2.59 2.4 5.70~5.99 5.5
2.60~2.69 2.5 6.00~6.24 5.8
2.70~2.79 2.6 6.25~6.44 6.0
2.80~2.89 2.7 6.45~6.74 6.2
2.90~3.09 2.8 6.75~6.99 6.5
3.10~3.35 3.0 7.00~7.29 6.7
3.36~3.55 3.2 7.30~7.59 7.0
3.56~3.79 3.4 7.60~7.79 7.3
3.80~3.99 3.6 7.80~7.99 7.5
4.00~4.29 3.8 8.00~8.29 7.7
4.30~4.49 4.1 8.30~8.69 8.0
4.50~4.79 4.3 8.70~9.00 8.4
4.80~4.99 4.6 9.01~9.69 8.7
5.00~5.19 4.8 9.70~10.09 9.4
5.20~5.49 5.0 10.10~10.59 9.8
       
Drill
Standard
Pipe
Standard
Drill
Standard
Pipe
Standard
10.60~10.89 10.3 18.60~19.50 18.2
10.90~11.59 10.6 19.51~20.50 19.0
11.60~11.89 11.3 20.51~21.50 20.0
11.90~12.59 11.6 21.51~22.60 21.0
12.60~12.89 12.3 22.61~23.60 22.0
12.90~13.59 12.6 23.61~24.60 23.0
13.60~13.89 13.3 24.61~25.60 24.0
13.90~14.59 13.6 25.61~26.60 25.0
14.60~14.89 14.3 26.61~27.60 26.0
14.90~15.59 14.5 27.61~28.60 27.0
15.60~15.89 15.2 28.61~29.60 28.0
15.90~16.59 15.5 29.61~30.60 29.0
16.60~16.89 16.2 30.61~32.60 30.0
16.90~17.59 16.5 32.61~34.69 32.0
17.60~17.89 17.2 34.70~36.69 34.0
17.90~18.59 17.5 36.70~38.69 36.0
    38.70~40.00 38.0
 
 
 
D () Tip () D () Tip ()
3 Less
13
3 More 4 Less
15
4 More 5 Less
20
5 More 10 Less
25
10 More 15 Less
30
15 More 20 Less
35
20 More 25 Less
40
25 More 30 Less
45
30 More
50
Type Cutting edge angle Work Materids
No. 1 30 Cast iron ,
Stainless steels
No. 2 42 Carbon steel ,Alloy steel
No. 3 15 Brittle work materids
 
D () d2 ()
5.5 Less 12.70
5.5 More 12.70 Less 19.05
12.70 More 20.00 Less 25.40
20.00 More 25.40 Less 34.75
25.40 More 30.00 Less 38.10
 
 
Shank - Major diameter Size The screw evening sunlight
d2 () W H d d
12.70 30 9.5 5 3 10 38 M6 1.0
19.05 35 15 5 6 15 43 M10 1.25
25.40 35 20 8 8 22 48 M14 1.5
31.75 More 40 24 10 10 26 57 M18 1.5
 
 

   
Untitled Document