Fangrui Product Details [quick Change] The Short Drill Bit For Metal Are Suitable For Side Milling, End Milling, Finish Machining, Etc. The Drill Bit Set Includes 5pcs Of Drill Bits In 5 Different Sizes To Satisfy Your Demands: 3/32, 1/8, 3/16, 1/4, 5/16-inch. [premium High Quality] Short Length Drill Bit Is Made From M2 Hss High Speed Steel Material With Evenly Distributed Carbides For Long Lasting Strength And Durability. The Drill Bit Is Sharp At Each Use. [twist Design ] Full Ground Processing And 135 Degrees Split Point Clears Chips Particles Faster It Also Delivers Powerful Penetration Against The Metal Plastic Wood And Other Hard Surfaces. [application Widely] The Drill Bit Set 5pcs 3/32-5/16 The Drill Bit Set Is More Suitable For Processing Plastics And Woods It Can Be Also Used For Hard Metal. Electric Hand Drill Percussion Drill Bench Drill Effectively Prevent The Accumulation Of Debris Retention High Speed Operation Fast Chip Removal To Improve Efficiency Nc Fine Grinding Double Back Angle Effectively Improv