- Titanium-coated Drill Bits: Made of high speed M2 steel, each steel bit has a titanium nitride coat for anti-rust, added durability and prolong life-span.
High Carbide-tipped Masonry Drill Bits: High thermal insulation performance,not easy to affinity with metal, anti-sticky, imitation powder, improve the surface quality of processed products;ideal for fast drilling in brick, concrete and stone.
- Suitable: HSS Drill Bit Set ideal for Commercial Home General Building /Engineering Using for the drilling of common materials such as steel, cast steel, cast iron, sintered metals, non-ferrous metals, plastics, and soft and hard wood.
15 Piece Metal Drill Set:
- 3x 4mm*75mm
- 3 x 5mm*90mm
- 3 x 6mm*95mm
- 3 x 8mm*120mm
- 3 x 10mm*135mm
