Spiral Binding Machine, 4:1 Pitch, 20-Sheet Punch, with Bonus Kit | 46 Disengageable Pins, Electric Coil Inserter, Adjustable Side Margin, with 100 8Mil PVC Covers, 100 5/16 in Coils and Pliers

Exceptional ValueOur spiral binding machine comes with 100pcs black 5/16'' coils, 100pcs 8mil PVC covers, and a coil crimping pliers. No need to purchase separately, saving you extra costs. (To maintain the machines longevity, a layer of lubricant is applied. Please use the included absorbent paper for binding before first use. ) A4/A5/Letter Size Punching This spiral binding machine is compatible with Letter size (42 holes), A4 size (46 holes), A5 size (33 holes), and smaller paper. With steady pressure, it can punch up to 20 sheets of 80gsm (20 lb) paper at once without misaligned holes or burrs.

(Adjust according to paper thickness. ) 46 Fully Disengageable Pins for Custom PunchingDesigned with 46 fully disengageable pins, this machine allows you to customize punching positions with precision. The open-ended design supports oversized or non-standard paper, meeting unique project needs. Ideal for schools or small office use. Works with 4:1 pitch plastic coils. Adjustable Paper MarginYou can accurately punch holes at binding positions of 2.5 mm, 4.5 mm and 6.5 mm to create professional-looking works. The built-in drawer-type waste compartment ensures convenient disposal of paper scraps. Regularly clearing paper scraps helps maintain the performance of the coil binding machine.

Electric Coil Inserter for Labor SavingThe electric coil inserter design speeds up coil binding, saving time and effort, especially for large workloads. Its automated coil insertion makes the process quick and efficient. You can bind up to 500 sheets using 2-inch diameter coils with the electric coil inserter. Full-Handle DesignThe sturdy handle is suitable for both left- and right-handed users, making punching easy and convenient. With steady pressure, it can punch up to 20 sheets of 80gsm (20 lb) paper at a time. For easier punching, simply reduce the number of sheets per punch.

Quality Tested & Reliable Support Every batch of our binding machines is tested before packaging