The FAMAG 3582 Zenterfix self-centring hinge hole drill bit is engineered for perfect pilot holes in hinge and fitting screw locations. A spring-loaded guide bushing automatically centers in the pre-drilled screw hole, while the integrated HSS core drill with roof tip ensures precise, tear-free cuts in wood, MDF, and plastics. π Technical Specifications Outer Diameter Shank Overall Length Effective Length 2mm E6.3 82mm 9mm 2.75mm E6.3 86mm 9mm 3.5mm E6.3 95mm 10mm Guide Bushing: Spring-loaded steel sleeve for self-centring action Core Drill: Fully ground HSS with precision roof-angle tip Compatible Materials: Softwood, hardwood, CLT, GLT, MDF, chipboard, OSB, hard plastics π― Key Benefits Automatic Alignment: Spring-loaded guide bush centers instantly, eliminating wandering. Tear-Free Holes: Sharp HSS tip and dual cutting edges produce clean edges without splintering. Versatile Use: Ideal for hinge fitting, furniture hardware, and precision woodworking tasks. Durable Construction: Hardened tool-steel bushing and high-speed steel drill resist wear. π‘ Application Tips Pre-Drill Clearance Hole: If drilling in very hard materials, start with a slightly larger pilot. Steady Feed Rate: Apply consistent pressure; let the guide bushing control centring. Optimal Speed: 1 500β2 000 rpm for wood; reduce to 800β1 000 rpm on laminates. Keep It Clean: Retract occasionally to clear chips from the drill flutes and guide sleeve. Spare Tips Available: Replace worn core drills without changing the bushing