Amerteer 7PCS Multifunctional Ultimate Drill Bits Ceramic Glass Punching Hole Working 3-12mm Electric Screwdriver Drill Wind Bit

Main Features: Multifunctional Drill Bits is made of industrial-grade 6542 HSS Carbide and durable alloy to perform excellent high-speed drilling. With W-type slot design it allows easier chip removal and reduces resistance resulting in smoother drilling. Ideal for everyday drilling on multiple materials including steel alloy tile concrete brick glass plastic wood and more. 6542 HSS Carbide and durable alloy with reinforced head prevent bit cracking and provide longer life. Strong carbide tip with spear pointed design can easily drill through various materials like tile concrete brick glass plastic wood etc. W-type slot design provides low resistance resulting in faster & smoother drilling and easier chip removal. Anti-slip shrank Triangular shank allows drill bits to be held tightly and prevents slip. Specification: Item Weight: 0.44 lb Shipping Weight: 0.44 lb Material: Stainless steel Color: Orange + Silver WORKING LENGTH: 3mm cutting diameter: 40mm / 1.6in 4mm cutting diameter: 42mm / 1.7in 5mm cutting diameter: 42mm / 1.7in 6mm cutting diameter: 55mm / 2.2in 8mm cutting diameter: 66mm / 2.6in 10mm cutting diameter: 70mm / 2.8in 12mm cutting diameter: 75mm / 3.0in WORKING LENGTH: 3mm cutting diameter: 2.5mm / 0.1in 4mm cutting diameter: 3.5mm / 0.1in 5mm cutting diameter: 4mm / 0.2in 6mm cutting diameter: 4.5mm / 0.2in 8mm cutting diameter: 6mm / 0.2in 10mm cutting diameter: 7mm / 0.3in 12mm cutting diameter: 9mm / 0.4in ITEM WEIGHT: 3mm cutting diameter: 3g / 0.1ounce 4mm cutting diameter: 5g / 0.2ounce 5mm cutting diameter: 7g / 0.2ounce 6mm cutting diameter: 11g / 0.4ounce 8mm cutting diameter: 27g / 1.0ounce 10mm cutting diameter: 34g / 1.2ounce 12mm cutting diameter: 51g / 1.8ounce PACKAGE CONTENT: Plastic boxed 7PCS (3 4 5 6 8 10 12)