5pcs Masonry Drill Bit Set 1/4" to 1/2" Concrete Drill Bit with Triangular Shank 80x22x0.25mm Material: 3

Material: 3

They are strong

It also can be used in the production of saddles and leather purses

Body Size: 45 x 110 mm / 1

load distribution

5pcs Masonry Drill Bit Set 1/4" to 1/2" Concrete Drill Bit with Triangular Shank 80x22x0.25mm Material: 31. Masonry drill bit set, industrial strength carbide bit tip, wear resistant, durable. These cement drill bits can easily penetrate a variety of materials such as glass, concrete, marble, plastic, brick, tile, wood and cement, etc. 2. Package includes 5pcs drill bit set: 1 4", 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