Blue Granite Hammer Drill Masonry Bits, 7-pc.

Bosch 7-Piece Blue Granite Hammer Drill Masonry Bits are designed for fast impact drilling in concrete, stone, and masonry. They combine low voltage with high temperature brazing to prevent carbide cutting edge from breaking out even when heat builds up during deep drilling. The bits feature straight shank drill bit, milled U-flutes with deep cut spirals, and diamond ground carbide tip for precise starts in tile and hard stone. The robust head design provides long service life, and the softened shank has aggressive gripping power. The bits are ANSI standard compliant.

• 7-piece set includes: (1) 1/8" x 2" x 3" bit, (2) 5/32" x 3" x 6" bits, (2) 3/16" x 4" x 6" bits, (1) 1/4" x 4" x 6" bit & (1) 3/8" x 4" x 6" bit,
• Designed for fast impact drilling in concrete, stone, and masonry
• Low voltage with high temperature brazing to prevent carbide cutting edge from breaking out
• Straight shank drill bit
• Milled U-flutes with deep cut spirals
• Diamond ground carbide tip for precise starts in tile and hard stone
• Robust head design provides long service life
• Softened shank has aggressive gripping power
• ANSI standard compliant