Description:

Titanium coated drill bits roller forged from high speed steel. Titanium and HSS increases durability and service life.. material: High speed steel to obtain high hardness, high wear resistance and high toughness.. Applicable models::Suitable for aluminum, wood, malleable and deep hole drilling positioning holes iron.. Wide application: The twist drill bits can be used in manual, electric hand-held drilling tools, milling machines, lathes and more.. A bit for every job: 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, and 1/4-inch size drill bits..