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GRENPRO Masonry Drill Bit Set 10Pcs, 1/4"-7/12" Serrated Concrete Drill Bit - size: 1/4" - 7/12" (10 PCS)
$32.38
About this item
- 10PC Complete Size Set: Includes 10 eccentric drill bit in 5 sizes (1/4"X4, 5/16"X3, 3/8"X1, 1/2"X1, 7/12"X1) with precise lengths (1/4"=4"/101mm±1, 5/16"=4.5"/115mm±1, 3/8"/1/2"/7/12"=5"/122mm±1) to meet most drilling needs
- Industrial-Grade Construction: Tile drill bits heads made of YG6X carbide (93HRA hardness) for tough materials; 40Cr steel shanks (50HRC hardness) for anti-bending; serrated edge boosts cutting efficiency and lifespan
- Hex Shank Design: Locks securely into corded/cordless drills to prevent slippage, improves drilling accuracy, and reduces operator fatigue
- Wide Application: Suitable for drilling concrete, tile, glass, brick, ceramic, plastic, wood; ideal for DIY projects, home renovations, and professional contracting work
- Sturdy Case & Usage Tips: Comes in a durable plastic storage case for organization; use low speed with steady pressure, and intermittent water cooling for high-hardness materials to extend bit life
Overview
- Material: YG6X
- Finish Type: Uncoated
- Shank Type: Hex
- Brand: GRENPRO
- Tool Flute Type: Spiral