Adjustable Carbide Hinge Boring Bit - 15-35mm

Overview

Stop switching between five separate boring bits every time you install a different hinge size. This adjustable carbide hinge boring bit covers the full 15-35mm range in one tool, making it a practical upgrade for anyone who installs European cup hinges regularly - cabinetmakers, furniture builders, and serious DIYers alike.

Key Features

• Adjustable cutting diameter from 15mm to 35mm - one bit covers every common cup-hinge size
• Carbide-tipped cutting edges stay sharp longer and leave clean, splinter-free holes in hardwood, softwood, and manufactured panels
• Dual 7mm/8mm shank compatibility fits standard drill presses and handheld drills
• Built-in positioning guide helps keep every hole centered and consistent, hinge after hinge
• Also available as a fixed-size bit (15mm, 20mm, 25mm, 30mm, or 35mm) or as a complete 5-piece set for shops running multiple hinge sizes

Specifications

• Cutting diameter: 15-35mm (adjustable), or fixed sizes 15/20/25/30/35mm
• Shank diameter: 7mm / 8mm
• Cutting material: carbide-tipped
• Primary use: cup hinge boring, cabinet door hardware installation

Who It's For

Built for cabinetmakers and woodworkers who need fast, repeatable hinge-cup holes without keeping a full drawer of single-size bits on hand.