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Round shank holder with through coolant for use up to a shoulder. This tool uses KW 25C20 (check) knurls, which have lapped tooth profiles to impart a better quality knurl and offer more life. Recommended for knurling pattern type RAA.


Using the knurl:
AA
BR 30º
BL 30º
GE 30º
Knurling pattern:
RAA
RBL 30º
RBR 30º
RGV 30º

 

 

 

Reference
 Knurl Size
A
B
C
D
E
F
kg
K4-S20
25x 10 x 20/16
106
80
20
10
28
36.5
0.300
K4-S25
25x 10 x 20/16
106
80
25
10
33
39
0.415
K4-S32
25x 10 x 20/16
106
80
32
10
40
42.5
0.665
K4-S40
25x 10 x 20/16
106
80
40
10
48
46.5
1.020

 

 
 

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