TECHNICAL SPECIFICATION



Ref: J415/16
Ref Mcmining:PRJ415/16
Punch - 5/16" Center Punch

Brand: PROTO
 
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Technical Specification:
Features and benefits  
- Application: metal working layout. Provides a broad dent in marking intersecting center lines, hole locations, and pilot drill starting point.
- One-piece design for strength and durability.
- Made from S2 steel and specially heat-treated for greater strength and durability.
- Modified parabolic striking end to help reduce mushrooming and chipping.
- Black oxide finish to help prevent rust corrosion; extending tool life and performance.
- A polished identification panel on one of the flats is marked with the tool number and size in a black inlay.
Specifications  
Shank Width [in] 5/16
Overall Length [in] 4-5/8
Weight [Lbs] 0.09
Specifications ASME ASME B107.48