The choice of the professional engineer, hardened and tempered to precise limits to give long life and maximum safety. Used when a negative impression is required, particularly in moulding or cast applications.
Pryor Reverse Punches are manufactured from quality controlled Chromium Tool Steel allied to precise heat treatment.
Suitable for marking material up to 40 Rockwell 'C'
For guidance on hardness of material to be marked click here
Nickel plated for rust protection
Hardness is reduced at the striking end to reduce brittleness when being hit
| Pryor Reverse Punches appear as shown |
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To produce a backwards impression |
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| Pryor Reverse Punches are manufactured with a Sharp Faced Character |
The diagram shows the effect on the crystalline structure of material being marked with a sharp faced character |
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| Character Size | BLANK SIZE | |
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| Single characters | Number set of 10 stamps 0-9 | Letter set of 27 stamps A-Z, & | Combination set of 36 stamps A-Z, 0-8, &
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| Metric | Imperial | A | B | C |
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| 1.5mm |
1/16" |
63.50mm 2.1/2" |
6.35mm 1/4" |
6.35mm 1/4" |
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| 2.0mm |
5/64" |
63.50mm 2.1/2" |
6.35mm 1/4" |
6.35mm 1/4" |
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| 3.0mm |
1/8" |
63.50mm 2.1/2" |
6.35mm 1/4" |
6.35mm 1/4" |
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| 4.0mm |
5/32" |
70.00mm 2.3/4" |
9.50mm 3/8" |
9.50mm 3/8" |
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| 5.0mm |
3/16" |
70.00mm 2.3/4" |
9.50mm 3/8" |
9.50mm 3/8" |
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| 6.0mm |
1/4" |
70.00mm 2.3/4" |
9.50mm 3/8" |
9.50mm 3/8" |
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Singles Punches Available
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A
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B
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C
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D
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E
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F
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G
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H
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I
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J
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K
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L
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M
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N
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O
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P
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Q
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R
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S
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T
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U
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V
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W
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X
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Y
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Z
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&
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1
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2
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3
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4
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5
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6
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7
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8
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9
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mirror image characters, see Pryor Premium® Punches |
Downloadable Brochure
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