Set Includes: 9 commonly used sizes, including 1/16", 3/32 ", 1/8 ", 5/32 ", 3/16 ", 7/32 ", 1/4 ", 5/16", and 3/8", which will qualify most of your daily needs
High Quality: High-Speed Steel(HSS) with titanium plating provides high hardness and durability, and the 135¡Æ split point tip allows fast cutting
Firm Structure: 1/16 "to 1/4" drill bits adapt locking chunk with stamping process while 5/16 "and 3/8" drill bits adopt full ground chunk
Wide Adaption: The drill bit set is compatible with power screwdrivers, impact drivers, and other tools that accept 1/4" hex shanks, which also meet the need for a quick change
Applied Materials: Suitable for wood, PVC, copper, aluminum alloy, stainless steel, etc., CAN NOT be used for masonry construction materials
