3 Set（6pcs） Hanger Bolt Driver and Drill,3Sizes Alloy-Steel Driver HSS Twist Drill for 1/4"-20 5/16"-18 3/8"-16 Double Headed Wood Screws Fully All Threaded Rod,Threaded Insert Hexagon Head Bits

Materials: Driver Alloy-Steel,Twist Drill High-Speed Steel Thread: 1/4"-20(Drill 3/16) 5/16"-18（Drill 1/4） 3/8"-16（Drill 5/16）, Color: Black/Gold Quantity: 3Pcs Driver 3Pcs Drill How to use: 1.Fix the high-speed steel drill bit onto the electric drill and pre-drill the area where the hanger bolt is to be installed. 2.connect the hexagonal head to drill driver, screw in the screws, then self tapping screw/threaded rod threaded can easily drill into wood, holes, or nuts. Drill driver bits is a good helper for improving efficiency and security protection The drill sleeve paired with our store's Hanger Bolt is the perfect choice for wooden house repair, furniture repair, DIY wood engineering such as Children's Furniture, PET Furniture, Wooden Stairs, iron furniture, outdoor furniture, household furniture, solid wood furniture, custom furniture, office furniture, environmental protection furniture, and more

• 【High quality materials】Hanger bolt driver made of high quality alloy-steel,Twist drill made of high-speed steel (HSS) .Achieves an optimal balance of strength, toughness, and versatility.They can withstand strong torque, Processed with blackening/titanium coating treatments, corrosion-resistant, Long service life, can be used repeatedly for a long time.
• 【Standard embedded threads】Drill driver bits has a 1/4 standard hexagonal head, perfect match with electric drill. The internal threads of the drill sleeve are clear and the pitch is standard. Suitable for 1/4"-20 5/16"-18 3/8"-16 screws or bolts.The twist drill bit features two flutes, which automatically expel chips and debris during the drilling process, reducing friction and heat buildup, thereby enabling faster and safer drilling.
• 【Widely Used】The drill bit can bore holes in hard materials such as sheet metal/aluminum alloy, plastic, drywall,then it particularly excels at drilling into wood.Driver suitable for hanger bolt, double headed screws, fully all threaded rod.They are a complementary set, working together seamlessly.
• 【Fast and convenient】Safe, Fast and Convenient. The twist drill pre-drills a hole to prevent the hanger bolts from splitting the wood.Hanger bolt connected to driver, Installing screws becomes quick and effortless, Avoiding scratches from sharp screws. They are good tool for improving work efficiency.
• 【Thread Size】Driver thread: 1/4"-20 5/16"-18 3/8"-16, Length: 1-5/8", Shank: 1/4" hex power;Twist Drill:3/16 (for 1/4 Hanger Bolt) Length86mm 3-2/5inch,1/4(for 5/16 Hanger Bolt) Length101mm 4inch ,5/16 (for 3/8 Hanger Bolt) Length115mm 4-1/2inch.