Multifunctional Drill Bits Ceramic Glass Ultimate Punching Hole Working Sets

PRODUCT DESCRIPTION: The material of Multi-Material Twist Drill Bit is high quality cemented carbide which prevents drill cracking and improves durability. One drill bit replaces two drill bits (glass & tile drill bit and drill bit). Pointed design with carbide as a material can easily penetrate the various material. U type slot design an increased opening speed easy chip removal. WIDE USAGE: Spear pointed design strong tungsten carbide tip can easily penetrate various materials like tile concrete brick glass plastic and wood etc and reduces breakout SPECIFICATION: Material: Hard Alloy Tool Holder Type: Triangle Handle Cooling Type: Outer Cold Blade Top Corner: 135° Category: Hole expansion drill Optional Style: 6mm 8mm 10mm 12mm Weight: Approx. 20-69g Blade Diameter: 6-12mm Size:4mm:4mm*80mm/5mm5mm*80mm/6mm:6mm*100mm/8mm:8mm*100mm/10mm:10mm*118mm/12mm:12mm*120mm Package including: Plastic boxed 5PC (6 6 8 1 0 12) Plastic boxed 7PC ( 6 8 10 12）