Precision Piercing Punches with round point to ISO 8020 / 8021, Type B

Point length: L2: 10mm

L2: 13mm

L2: 17mm

 
Specification:

 

 

Materials:

Hardened, tempered, ground, head hot forged and annealed

 

D2 = Tool Steel

HSS = High Speed Steel

 

Hardness: Shaft: Tool Steel D2

HSS

Head: Tool Steel D2

HSS

60±2 HRC

64±2 HRC

50±5 HRC

50±5 HRC

d1
in steps of d1
d2
d3
T
r
L2
L1+0.5/+0.2
j6 0 m5 +0.2 +0.1 +0.5 71 80 90 100
-0.15 +0.1 0 0
0.8 to 2.9 0.1 5 3 3 0.3 10
1.0 to 3.9 6 4
1.2 to 4.9 8 5 5
1.6 to 5.9 9 6
2.5 to 7.9 11 8 13
4.0 to 9.9 13 10 17
5.0 to 12.9 16 13 0.4
8.0 to 15.9 19 16
12.0 to 19.5 0.5 24 20
16.5 to 24.9 29 25

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