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  JABP鑽頭
 

階梯鑽

 

Tool
Number

Head Diameter

Length
Of Cut

Total Length
Shank
Diameter
R0325
3
25
51
R0630
6
30
60
   

STEP DRILL

 
HSS TUBE DRILLS
HOLE SIZE & INCEREMENTS
SHANK DIA.
OL.
3.0-14.0
8
58
4.0-30.5
10
104
8.0-20.0
10
63
16.0-30.5
10
72
26.0-40.0
10
86
   
 

INCH SYSTER STEP DRILL

NO.OF HOLES
HOLE SIZE & INCEREVENTS
SHANK DIA.
13
1/8" - 1/2"
1/4"
6
3/16" - 1/2"
1/4"
9
1/4" - 3/4"
3/8"
12
3/16" - 7/8"
3/8"
10
1/4"-1 - 3/8"
3/8"

METRIC SYSTEM STEP DRILL

10
3.0 - 12.0
6.0/6.5
9
4.0 - 12.0
6.0/6.5
5
4.0 - 12.0
6.0/6.5
7
6.0 - 12.0
6.0/6.5
9
4.0 -20.0
8.0
8
6.0 -20.0
8.0
10
4.0 -22.0
10/9.5
14
4.0 -30.0
10/9.5
15
4.0 -32.0
10/9.5
13
6.0 -30.0
10/9.5
13
6.0 -35.0
10/9.5

STEP DRILL WITH HEX SHANK

5
4 - 12
1/4"HEX
10
4 - 12
9
4 - 12
10
4 - 20
13
1/8" - 1/2"
6
3/6" - 1/2"
 
9
1/4" - 3/4"
 

 

 

   
* If you have any other size request, please tell us, we can open the mold for you.
 
 

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