Precision punches DIN 9861 C/CA

Description

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With countersunk head.

Treatment: hardened, tempered, ground and lapped. Hot head forged and annealed. Shaft tolerance h6 up to head.

 






Product name

Precision  punches DIN 9861 C/CA

Standard

DIN 9861

Manufacturer

MQ Mold

Place of origin

Ningbo, China

Material

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

Hardness

HRC 64 ± 2

Mode

Factory & trade

 

 

Type C, shaft-head without upsetting deformation

Type CA, shaft-head with upsetting deformation

 

Material

Hardness

Shaft

Head

WS

Tungsten vanadium tool steel

 HRC 62 ± 2

HRC 45 ± 5

HWS

High carbon high chrome steel

 HRC 62 ± 2

HRC 45 ± 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

 

Precision piercing punches DIN 9861 C/CA(图1)











d1
h6

Steps

d2

d3
h6

d4

l1
+0.5
0

l2

l3
max.

h
+0.2
0

r

from

to

0.5

1.4

0.1

2.2

±0.05

1.5

d3+0.03

71

80

7

5

1.11

0.4
+0.3
0

0.5

1.9

3.0

±0.1

2.0

1.37

1.6

2.9

4.5

3.0

1.80

0.6
+0.4
0

2.5

3.5

0.5

5.5

4.0

10

3.5

4.5

6.5

±0.2

5.0

6

4.5

5.5

8.0

6.0

2.23

1.0
+0.5
0