5pcs Keyhole Bit Set, 1/4-Inch Shank, 8.5-10.5-13.5-17.5-19.5mm Cut Diameter Keyhole Router Cutter Bit,T-Track Slotting Milling Cutters

• Akylin keyhole router bits with 1/4" shank, cutting diameter lengths: 8.5 / 10.5 / 13.5 / 17.5 / 19.5mm. Create t slots for M5, M6, M8, M10, and M12 hex head boltsin removable joint applications.
• Keyhole Router Cutter Bit is used to cut slots that let you hang frames, plaques, and other items securely on screws or nails.
• Very high grade tungsten carbide-YG6X virgin original carbide tipped,with minimal wear and longer life.Silver induction brazing for maximum strength and durability.
• Heat resistant coating will provide the router bits with superior wear resistance and Rust and corrosion prevention.
• The router bit can compatible with all 1/4" router machines,can be used on hand-held and table-mounted.Perfect for woods, MDF, solid wood, particle board, plywood.

5pcs Keyhole Bit Set, 1/4-Inch Shank, 8.5-10.5-13.5-17.5-19.5mm Cut Diameter Keyhole Router Cutter Bit,T-Track Slotting Milling Cutters