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Stepped Punches
We offer a wide range of Stepped punches, which are made of qualitative steel. These come with fully hardened shanks and safety heads. our range is available in powder as well as paint finishes. Our products are polished to smooth and soft metallic shine, which also helps in wear resistant.
Dimensions in mm
d1
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h6
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d2
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k + 0.2
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0.5
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-0.007
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0.9
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0.2
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0.55
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1.0
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0.6
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1.1
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0.65
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1.2
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0.7 & 0.75
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1.3
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0.8 & 0.85
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1.4
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0.4
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0.9 & 0.95
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1.6
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1.0 & 1.1
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1.8
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0.5
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1.2 & 1.3
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2.0
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1.4 & 1.5
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2.2
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1.6 & 1.7
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2.5
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1.8 & 1.9
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2.8
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2.0
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3.0
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2.1 & 2.2
2.3 & 2.5
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3.2
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3.5
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| 2.6 & 2.9 |
4.0
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3.0
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4.5
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d1
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h6
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d2
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k + 0.2
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3.1 to 3.4
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-0.008
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4.5
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0.5
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3.5 to 3.9
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5.0
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4.0 to 4.4
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5.5
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4.5 to 4.9
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6.0
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5.0 to 5.4
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6.5
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5.5 to 5.9
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7.0
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6.0
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8.0
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6.1 to 6.4
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-0.009
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8.0
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6.5 & 7.0
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9.0
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1.0
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7.5 & 8.0
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10
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8.5 & 9.0
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11
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9.5 & 10
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12
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10.5 & 11
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-0.011
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13
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11.5 & 12
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14
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12.5 & 13
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15
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13.5 & 14
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16
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1.5
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14.5 & 15
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17
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15.5 & 16
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18
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Length: Other lengths are 35, 40, 50, 60, 80 & 90 mm.
d1: The values of diameter d1 are recommended in steps of 0.05 mm upto 0.95 dia and in step of 0.1 mm from 1.0 to 6.4 mm dia and in steps of 0.5 mm from 6.5 to 16 mm diameter.
Material
- WPS - 12% Cr. 1.8 - 2.1%C
- H.S.S. 6-5-2
Finish: Hardened, tempered and precision plunge ground and Lapped.
Surface Finish: 0.3-0.4 µ m.
Hardness
- Shank
- Head: 45±5o Rockwell C
Designation: Round piercing punches should be designated by the Type, material, the nominal size, the length and standard.
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