Flat-bottomed holes are essential for installing concealed hinges on cabinetry, yet standard twist bits leave curved bases that prevent flush fitting. Draper Forstner drill bits are engineered to deliver precisely flat-bottomed, clean-sided holes, making them the correct tool for hinge installation in most domestic cabinets. Each bit is manufactured from high-strength carbon steel and is tungsten carbide tipped for durability and extended cutting life. Twin cutting edges and quad spurs work together to clear waste material quickly whilst producing a clean, accurate cut. The quad-point style ensures controlled entry and consistent hole geometry across all five sizes. The set covers five diameters — 15, 20, 25, 30 and 35 mm — suitable for drilling through softwood, medium hardwood, chipboard and MDF. Bits in the 15, 20 and 25 mm sizes feature a 7 mm round shank and measure 77 mm in overall length; the 30 and 35 mm bits carry an 8 mm round shank at 80 mm overall length. All five sizes share a cutting depth of 50 mm and are compatible with drills fitted with a standard 10 mm or 13 mm chuck. The complete five-piece set is supplied in a wooden storage box, keeping all bits organised, protected and readily accessible in the workshop.
Forstner drill bits create flat-bottomed holes, ideal for installing concealed hinges commonly found on most cabinets in the home. They are able to drill through softwood, medium hardwood, chipboard and MDF. Manufactured from high-strength carbon steel, the bits are tungsten carbide tipped and have twin cutting edges and quad spurs for fast waste removal and clean cutting. The drill bits are compatible with drills with the standard 10 or 13mm chuck. The five-piece set comes supplied in a wooden storage box.
Product Key Feature:- Creates flat-bottomed holes and able to drill through softwood, medium hardwood, chipboard and MDF
- Ideal for installing concealed hinges commonly found on most cabinets in the home
- Compatible with drills with standard 10 or 13mm chuck
- Manufactured from hardened and tempered tungsten carbide
- Supplied in a wooden storage box
Contents:- 5 x Forstner Drill Bit Set Sizes: 15, 20, 25, 30, 35mm
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