5 Pack 3/8" x 4" Masonry Tile Drill Bits Hex Shank Step Masonry Drill Bits for Tile,Concrete,Porcelain, Brick, Glass, Cement, 4" Length

• Diameter:3/8',Length:4' /100mm
• Quantity:5 Pack
• Note: Need to add water to materials with high hardness during drilling,can improve drilling efficiency and extend service life.
• Shank Type:1/4 inch Hex
• Compatible materials:tile, concrete, porcelain,brick,cement, granite, glass,plastic and so on.

Diameter:3/8'

From the brand GRIXLEN drill bits and hole saw drill bit, hole saw, core bit drill bits and hole saw