Specialty Drill Bits

The source describes these as selectable bit types; it does not establish that all types are included together.

• Step drills for metal: HSS steel with titanium coating; 3 pieces. Sizes: approximately 4–12 mm, 4–20 mm and 4–32 mm. Weight: approximately 224 g.
• Multi-purpose bits for wood and metal: HSS steel with titanium coating; 4 pieces. Listed contents: 1 sheet-metal peeling bit, 1 step drill for metal, 1 countersink bit for wood and 1 bit for wood and metal. Sizes: approximately 4–12 mm, 8–20 mm, 6 mm and 12.4 mm. Weight: approximately 99 g.
• Forstner bits for wood: Carbon steel; 5 pieces. Sizes: approximately 15 mm, 20 mm, 25 mm, 30 mm and 35 mm. Weight: approximately 315 g.
• Wood bits with countersinks: Carbon steel; 8 pieces. Designed to pre-drill and countersink in one operation. Listed sizes: approximately 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm and 6 mm. Weight: approximately 175 g.
• Plug cutters for wood: Carbon steel; 4 pieces. Sizes: approximately 6 mm, 10 mm, 13 mm and 16 mm. Weight: approximately 115 g.
• Countersink bits for wood: HSS steel with titanium coating; 5 pieces. Sizes: approximately 3 mm, 4 mm, 5 mm, 6 mm and 8 mm. Weight: approximately 56 g.

An Allen key is listed as included with the wood bits with countersinks. The listed material is steel.