Topline USA Drill Bit Size'R' M42 Cobalt 1-Pk
- [Allen Wrench Drill Bit Set Includes 10 Most Popular SAE Sizes] - 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16". Bit set shank: 6.35mm/ 1/4”, Length: 100mm(3.94”). Heat treated, durability, has high hardness, not easy to wear. PLEASE MAKE SURE YOU CHOOSE THE RIGHT DRILL BIT AND CONTROL THE RIGHT SPEED OF THE DRILL. THIS OPERATION GREATLY PROLONGS THE SERVICE LIFE OF THE HEX DRILL BITS..
- [Professional Hex Bit Set Are Made Of S2 Alloy Steel, Very Well Made And Tough As Nails] - Hardness can reach HRC60 degree. HEX KEY SET FIT FOR ELECTRIC DRILLS WITH SPEED REGULATING DEVICE, ELECTRIC SCREWDRIVERS, HAND SCREWDRIVERS. PLEASE DO NOT USE DRILL BITS ON PNEUMATIC TOOLS, AIR DILLS, AND THE ELECTRIC DRILL WITHOUT SPEED REGULATION. A long lifetime of the drill bit is reached due to its durable construction and superior technology..
- [Magnetic Tips And 100mm(3.94inch) Length] - The hex allen screwdriver set is a little bit magnetic, which helps to keep nuts and bolts stuck to them. Can improve your work efficiency. Thumbs up! 100mm(3.94”) length, longer than the market ones, More practical and convenient..
- [Please: Drill Bit Size Markings Use 2 Technologies, Laser Marking and Steel Seal. 2 Versions, Random Delivery] Please see the 7th pict....