Ingersoll Rand 1207MAX-D4

The Milwaukee Shockwave Impact Duty 75PC Drill, Drive and Fasten Set is engineered to be the Most Durable, Best Fitting driver bits on the market. The Wear Guard Tip delivers increased wear resistance more→which protects the impact bit's fit over the life of the bit. The Shock Zone is optimized for each tip type and length of driver bit in the set to absorb peak torque and prevent breaking. The driver bits are made from Custom Alloy76 steel and a proprietary heat treatment process to extend bit life, providing up to 50X life versus other impact driver bits on the market. The Milwaukee Shockwave Impact Duty driver bits are built to provide users with extreme durability for the most demanding applications.…

FLEXTORQ bits are engineered for durability. This latest generation from DEWALT redefines fitment and performance with overhauled tip geometries. The redesigned tip geometries for use with T25 size fa more→steners deliver 4X superior fit. Every FLEXTORQ bit features a FLEXTORQ Zone designed to absorb impact for longer life. Save time and find the right bit with new highly-visible laser-etched size. Each FLEXTORQ bit is IMPACT READY with a 1/4 inch hex shank for use in impact drivers and drills.

These Double-Fluted Step Drill Bits provide faster cutting and drilling than single flute bits. The easy-to-read step markings and targets save time when drilling holes. Thick 3/8-Inch hex shank provi more→des a firm, positive grip and won't spin out in the drill.