5/16 x 4 Carbide Tipped Masonry Drill Bit - Drill America DAM4X5/16

• Designed for drilling in brick, concrete and sandstone
• For use in portable electric drills.
• Engineered with wide flutes to provide fast dust removal in softer materials
• Round shank for use in a wide range of tool holding systems
• Carbide tips brazed to tough steel bodies and are larger than the nominal drill size to provide clearance for installation of anchor screws, expansion shields and toggle bolts

Specifications

• Size: 5/16
• Overall Length: 4"
• Material: Carbide Tipped
• Finish: Black Oxide
• Shank Size: 1/4"
• Style: Masonry
• Decimal Equivalent: 0.3125
• Metric Equivalent: 7.9375mm
• Shank Type: Round
• Cutting Direction: Right Hand
• Flute Type: Spiral