JEFE HEX 9-Piece Twist Drill Bits Set with 3 Flat Shank

135° Split Point Tip & Parabolic Twist Design - 135° split point for clean, accurate holes and reduced lock-up on breakthrough. Parabolic flute form clears chips and debris fast to keep the bit cool. 3-flat Shank - 3-flat shank locks firmly and eliminates spinning in standard chuck. It's good for most general purpose applications. Hardness - High speed steel (HSS) with black and gold coating construction to add durability and longevity. Applied Materials - Jefe Hex drill bit sets are built for general-purpose applications, such as DIY projects, home maintenance and MRO. Package & Size – 9 pcs jobber length drill bits set in a double blister pack with easy opening design. Sizes including: 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8".