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FASTNER

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  • punch
  • torx plus
  • t/r
  • pin
  • diffusion bonding pin
  • m/s
  • rack
  • t/s
  • mathread
  • c/l
  • serration
  • tnp

PUNCH (RECESS PUNCH)

1. Punch is the tool to extrude the head part of small screws as it is installed in the
   Heading machine. It can produce ultraprecision small products including
   watch and glasses industries as well as general electronics industries.

2. It has strong wear resistance and it can produce products of all the shapes.

3. It can respond to development of customers’ new products
    we have the processing technology of PVD & CVD coating.

Type

section Use Quality of the material
N 일반철용 SKH-51 상당
SUS SUS소재적용

SKH-55 상당

SKH-59 상당

Shape

DIA (mm) 12 14 18 23 25
D 12 14 18 23 25

-0.02

-0.04

DIA (inch) 7/16 9/16 7/8 1 1 1/4
D ±0.01 11.11 14.29 22.23 25.40 31.75
A ±0.1 3.2 5.4
B ±0.1 1.5 2.7
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