Utoolmart 10mm Paper Punch Drill, Taper Shank Hollow Bit Tool, for Hole Puncher Punching Machine 1Pcs - UT190919Z-0057

• UPC   889325490099
• 【Product details】- Punching dia.: 10mm / 0.39-inch. punching length: 40mm / 1.57-inch. shank dia.: 10.7~11.7mm / 0.42~0.46-inch. total length: 75mm / 2.95-inch. It is polished, hardened to 52-55HRC 【Features】- Overall quenching, high hardness, not easy to break. 90-degree inner chamfer opening, good edge sharpness and strength, 80% less resistance than traditional technology, not easy to block 【Easy To Use】- Papers should be placed flat when punching. Pay attention to the lubrication of the punch drill. The smaller the pinhole, the slower the speed 【Application】- Specially used for punching tags, wall calendars, desk calendars, account books, and handbags. Suitable for ordinary paper, offset paper, coated paper, grease film paper, leather, fabric etc. 【Notice】- If the punch is blocked, it should be removed and cleaned up in time and reinstalled for use. It is often waxed and lubricated (candle or soap is a good substitute) at the cutting edge of the drill