Description of Qjaiune Titanium Drill Sizes Plastic
Package content: 3 pcs Step Drill Bit Set, Bit #1 (6 Steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (9 Steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4".Bit #3 (13 Steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32". Replace 28 individual drill bits, save your money and time. Material: Step Drill Bit made of 4241 high speed steel with titanium coating, reduces friction and drills with less heat, which ensures strong wear-resistance and durability, work with hardness up to 25°. Design: 135° split point and two flute design increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily. Appliaction: Prefect for sheets of Metal, Wood, Plastic, Aluminum Copper, not for steel and hard metal. Purchase Guarantee: Please rest assured to buy our products. If you are not satisfied with the product, we provide a 100% money back guarantee within 90 days.