Pierce Punches - Straight Grind Punches
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Product Description
Straight Grind is a Pivot Punch Corporation exclusive
grinding process, with grind lines parallel to the
piercing action and perpendicular to the line of
potential fracture. Straight Ground punches offer many advantages over cylindrically ground punches: Reduction of galling, snap-back, pick-up or firing; Easy punch withdrawal through material; Lubrication-retaining characteristics of the ridges; Straight shearing and less tonnage required; Punches holes to size with less stripping pressure; Reduction of buckling, and retained concentricity of the punch; Reduced rollover and dimpling on thin material. |