Makita DF330DZ

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.

Diablo's driver bit range of Slotted bits delivers maximum performance, extreme durability and up to 50x longer life when installing and removing fasteners. An optimized tip design provides a strong, more→precise grip that reduces wear, stripping and slippage. MaxTorque Zone delivers ultimate torque resistance by absorbing torque, creating less stress at the tip when tightening and removing nuts and screws This range is Impact Strong, delivering increased shank stability and durability in cordless and corded impact and drill drivers.

Blast finish steel bits provide a firm hold to the fastener. Highly resistant to wear and tear for long life. 1/4 In. hex shank fits all standard bit holders and hand-held drivers.