3-12mm Professional Tungsten Carbide drill bits is used for drilling glass, ceramic tile, concrete, metal drill bit set tools,5pcs,6681012

3-12mm Professional Tungsten Carbide drill bits is used for drilling glass, ceramic tile, concrete, metal drill bit setUse:Metal DrillingMaterial:Tungsten CarbideDIY Supplies:MetalworkingType:Gun Drill Bitlength:80-120mmModel Number:Multi-functional Glass DrillingCarbide tip/High quality:Imported ART carbide tip (blue)Quality Type:High qualitySet:3/4/6/8/10/12mm1、The material is well made, hard, durable and precise.2、Spring ball lock ensures a tight fit with the drive head to prevent slippage during use. Specially machined to fit securely in a handheld driver, drill driver or impact wrench.3、Lightweight, fast, and attaches to standard hexagonal screwdrivers.4、Functional head with locking and magnetic function.5、Durable, hexagonal drive shaft can be replaced quickly and fits most drills and drive chucks.

• 1、The material is well made, hard, durable and precise.
• 2、Spring ball lock ensures a tight fit with the drive head to prevent slippage during use. Specially machined to fit securely in a handheld driver, drill driver or impact wrench.
• 3、Lightweight, fast, and attaches to standard hexagonal screwdrivers.
• 4、Functional head with locking and magnetic function.
• 5、Durable, hexagonal drive shaft can be replaced quickly and fits most drills and drive chucks.