Precision Punches with square, rectangular and oblong point/ to ISO 8020 / 8021, Type C

Type CS      square point

Type CR   rectangular point

Type CO     oblong point

Specification: As punches ISO Type A
Materials: D2 = Tool Steel

HSS = High Speed Steel

 

 

Hardness: Shaft: Tool Steel D2

HSS

Head: Tool Steel D2,

HSS

62±2 HRC

64±2 HRC

50±5 HRC

50±5 HRC

a
b
d2
d3
T
r
L2
L1+0.5/+0.2
±0.01 ±0.01 0 m5 +0.2 +0.1 +0.5 71 80 90 100
-0.15 +0.1 0 0
to customer’s choice,

G = max d3

6 4 3 0.3 preferred dimensions =10/13/17; other lengths available
8 5 5
9 6
11 8
13 10
16 13 0.4
19 16
24 20
29 25

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