DURABLE & INDUSTRIAL GRADE MATERIALMasonry Drill Bits Set. High quality carbon steel after heat treatment. Strong and Durable. Excellent rust resistance.*UPGRADED DESIGN: Two Flute, ensure fast and efficiently remove drilling dust and debris. Rock carbide tip maximizes carbide surface contact for longer bit life.The spiral shank increase cutting speed and prevents slipping.*MULTIPLE SIZES: Include most popular diameter range:3/16", 1/4", 5/16", 1/4", 5/16", 3/8", 1/2" . Fit most electric or cordless hammer drills.LENGTH:3.14"-5.98".*SANDBLASTING TREATMENT: It enhances rust protection property through adopting special overall sandblasting treatment.*WIDELY USE: Suitable for Brick, Block, Masonry, Concrete, Rock, and Artificial Stone, Wood, Plastic and much more.
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Item# : SPM12914724004
Model # : RNAB07MJRV7JG