Set Includes: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8, 25/64, 13/32, 27/64, 7/16, 29/64, 15/32, 31/64 and 1/2 inch bits; Comes in metal indexed storage case for easy storage.
Enhanced M35 Alloy Material: These drill bits contain 5% Cobalt alloy steel, which increases wear resistance and durability. Industry grade HSS M35 drill bit set, harder than HSS 4241 used in other similar drill bits set.
Perfect Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped.
Professional After-Sales Service: The outer box for stepped drill bit is sturdy and easier to carry and store. If you are not fully satisfied with our product for any reason, please contact us for a 100% refund or replacement.
135° Split Point & Twist Design: The split point angle of 135 degrees allows for quick and easy penetration, reducing the need for excessive pressure and minimizing wandering. The drill bit is fully ground with a sharp and long-lasting cutting edge, while the twist design helps to remove chips efficiently.