4pcs Masonry Drill Bit Set 1/4" to 1/2" Concrete Ceramic Drill Bit Orange 60x150mm(W*L) Special milling cutter for high-speed

Special milling cutter for high-speed cutting applications with high hardness

Length: 425mm/17 inch

The inner diameter is 12mm

Hole Distance(Center to Center) : 54mm / 2

Pipe Length: 20mm/ 0

4pcs Masonry Drill Bit Set 1/4" to 1/2" Concrete Ceramic Drill Bit Orange 60x150mm(W*L) Special milling cutter for high-speed1. Made of cemented carbide, with reinforced cutter head, which can prevent the drill from cracking and prolong its service life. This twist triangle drill suitable is for concrete, glass, plastic, wood, ceramic tile, aluminum alloy, etc. 2. Package includes 4pcs drill bit set: 1 4", 5 16", 3 8", 1 2", there are 4 different cement drill bit sizes, that will help in drilling by starting with the small bit and then drilling to the size needed. 3. This