Auniwaig Taper Straight Shank Hollow Bit Tool 5mm Paper Punch Drill for Hole Puncher Punching Machine 2PCS | Durable Steel, 5mm Diameter, Suitable for Paper & Leather

• 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
• Product details — Punching dia.: 5mm / 0.12-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

• Place Paper or Material Flat — Align the sheets evenly on a flat surface, ensuring no uneven stacking to prevent blockages and achieve clean holes.
• Lubricate the Punch — Apply wax or soap at the drill's cutting edge regularly to reduce resistance and prevent jamming during repeated punching.
• Insert and Punch — Attach the drill to your punching machine's taper shank, then press steadily to punch through the material, avoiding excessive force.
• Clean and Store — Remove debris after use, clean the drill, and store in a dry place to maintain sharpness and prevent rust.

Typical situations where Auniwaig Taper Straight Shank Hollow Bit Tool 5mm Paper Punch Drill for Hole Puncher Punching Machine 2PCS | Durable Steel helps — illustrative scenarios, not customer reviews.