Trend Tools SNAP/DBG/SET Trend Drill Bit Guides 4 Piece Set - For Accurately Drilling Pilot Holes Centrally To Any Countersink Fitting Such As Hinges Or Lock Faceplates.

• Set comprising a Quick Chuck and three sizes of Drill Bit Guides for the accurate fitting of hinges.
• Drill bit guides for No.6, No.8 and No.10 screws.
• Self-centring drills for the accurate drilling of pilot holes for fittings such as hinges to ensure exact alignment .
• Drill bit guides can easily be dismantled for cleaning and are supplied with a HSS drill bits.

Specifications

• Shank Diameter=1/4 inch hex
• D=2 mm (5/64")
• D=2.75 mm (7/64")
• D=3.5 mm (9/64")
• Screw size=No.6 (3.5 mm)
• Screw size=No.8 (4.0 mm)
• Screw size=No.10 (5.0 mm)