Punch blank ISO 8020 A

Description

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With cylindrical head.

Treatment: hardened, tempered, ground, head hot forged and annealed.


 





Product name

Piercing punch blank, Type A

Standard

ISO 8020

Manufacturer

MQ Mold

Place of origin

Ningbo, China

Material

WS, HWS, HSS, ASP23, CPM 10V ...

Hardness

HRC 64 ± 2

Mode

Factory & trade

 

 

Material

Hardness

Shaft

Head

HWS

High carbon high chrome steel

 HRC 62 ± 2

HRC 50 ± 5

HSS

High speed steel

 HRC 64 ± 2

HRC 50 ± 5

ASP23

Vanadis 23 - High performance powdered high speed steel

 HRC 64 ± 2

HRC 50 ± 5

CPM 10V

High performance powdered high speed steel

 HRC 62 ± 2

 HRC 50 ± 5

 

Punch blank ISO 8020 A(图1)


   d1(m5)

d2
0
-0.15

T
+0.2
+0.1

r
+0.1
0

l1
+0.5
+0.2

3

5

3

0.3

63

71

80

90

100

4

6

5

8

5

6

9

8

11

10

13

13

16

0.4

16

19

20

23

25

28

32

35

-