276 Piece Titanium Twist Drill Bit Set with Bonus S2 Bits, 135° Tip High Speed Steel

-【Process Treatment】Titanium coated surface prevent rusting, which increase the hardness of the drill bit and reduces heat buildup, make the twist drill bit more wear-resisting for longer life. -【Twist Design & Performance】The 135° fast cutting point is automatically centered and penetrates quickly with less pressure,Prevent walking, clear chips and particles faster. Produced by precision fully ground which ensures chips move smoothly. -【Premium High Quality】Drill bits made from high speed steel for strength and durability. Screwdriver Bits are made of S2 steel material for ultimate durability. -【Scope of Application】Ideal for DIY projects and household maintenance and repair.All-purpose for use on Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass drilling as well as multiple driving and fastening. -【Clear-Lid Organizer for Visible Organization and Storage】Clear lid of 256 Piece Titanium Twist Drill Bit Set allows you to see drills at glance easily. Titanium Drill Bit Set & Screwdriver Bit Set   Drill Bits Set Material: HSS 4241, Titanium coating Size range 1/16" up to 1/2" Angle Point: 135 degree Flute Type: Spiral Shank Type: Round straight shanks Screwdriver bit Set Material: S2 steel material for ultimate durability     High Speed Steel: High speed steel construction provides ultimate durability and the titanium coating ensures a longer service life so that the drill bits last through multiple uses. Twist Design: The split point tip and twist design increases cutting speed while easy self centering prevents walking.   Size Includes: 1/16" 40pcs，5/64" 40pcs，3/32" 33pcs, 7/64" 32pcs,1/8" 25pcs，9/64" 20pcs，5/32" 10pcs 11/64"10pcs，3/16" 12pcs，13/64" 4pcs，7/32" 8pcs，15/64" 4pcs，1/4" 6pcs，9/32" 4pcs， 5/16" 4pcs,21/64" 1pc，11/32" 1pc，3/8" 1pc，1/2" 1pc Screwdriver bits size includes: PH2X10, T25X4, SQ2X3, SL6X3 Total: 276 pieces organized in plastic storage case