5Pcs Carbide Three - Sided Drill Bits 12mm | High - Speed Spiral Flute | Electric Drill Accessories for Wood/Metal/Concrete | 123mm Length

Produktbeschreibung

High-Speed Spiral Flute - Carbide drill bits feature optimized spiral design that removes chips 40% quicker than standard bits, ensuring smooth drilling in wood, aluminum and copper materials without clogging. Universal Three-Sided Shank - These 8mm three-sided drill shanks securely fit all electric drills including hand drills, percussion drills and bench drills, providing 360° secure grip during use. Accurate-Cut Carbide Tips - Each drill bit maintains cutting edges with mirror-polished finish, delivering 12mm diameter holes at expert-grade smoothness in half the time. Engineered Depth Control - 123mm total length with 73mm effective drilling depth allows controlled penetration through walls, marble and glazed tiles when used with water cooling. Portable 5-Piece Set - Compact drill bits come in sturdy storage case, ideal for contractors and DIYers needing trustworthy drilling accessories for steel, stainless steel and granite projects.