Punching diameter: 4 mm / 0.16 inch; Punching length: 35 mm / 1.38 in; Shank diameter: 11 mm / 0.43 in; Overall length: 70 mm / 2.76 inches. It is polished and hardened to 52-55HRC.
Especially for punched labels, wall calendars, desk calendars, account books and handbags. Suitable for ordinary paper, offset paper, coated paper, oil film paper, leather, fabric, etc.
If the punch is blocked, it should be disassembled and cleaned up in time and reinstalled for use. It is usually waxed and lubricated at the cutting edge of the drill (candles or soap are a good alternative).
Integral quenching, high hardness, not easy to break. Chamfered opening within 90 degrees, good edge sharpness and strength, resistance 80% less than traditional technology, not easy to block.
The paper should lie flat when punching. Pay attention to the lubrication of the punch. The smaller the pinhole, the slower it is.
Specification:
Feature: Taper Shank
Main Color:Silver + Black
Material:Ordinary steel
HRC:52-55
Package Content:
2pcs X Hollow Paper Drill
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