Skil 6220 AA (F0156220AA)

Milwaukee Thunderbolt Black Oxide jobber length drill bits are designed for extreme durability and long life. The Thunderbolt web features a thicker core than a standard drill bit to provide ultimate more→strength and protect against side load breakage. A specially designed parabolic flute form clears chips fast, while the 3-Flat Secure-Grip shank holds the bit firmly in the drill chuck. Effective for drilling on curved surfaces, Milwaukee Thunderbolt Black Oxide bits require less effort to drill through metal, wood and PVC and are highly recommended for use with portable drills.

The Milwaukee Shockwave 2 in. Impact No.2 square bits are engineered to offer you the most durable, best fitting driver bits on the market. The Wear Guard Tip delivers increased wear resistance which more→protects the impact bits fit over the life of the bit. The impact driver bits have and optimized Shockzone for each tip type and length of driver bit to absorb peak torque and prevent breaking. The Custom Alloy76 is customized and heat treated per tip type to extend the life of the driver bits providing up to 50X vs. competitive impact driver bits. The Milwaukee Shockwave Impact Duty driver bits are built to deliver extreme durability for the most demanding applications.

IRWIN General Purpose High Speed Steel Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance