Alteco DD 4430 (13539)

DeWalt screwdriving bit tips are a perfect complement to your drill and driver and are designed to meet the demands of working professional contractors. Each bit is cut from shock-resistant tool steel more→and features an advanced hardening process that greatly reduces wear. Its snub-nose design fits perfectly into hex-socket adapters and the tips are precision ground to seat firmly into the screw head.

The Milwaukee Shockwave PH1/SL1-4 Impact Driver Bits are engineered to be the Most Durable, Best Fitting driver bits for the most demanding applications. Each Double Ended Driver Bit features Wear Gua more→rd Tip for increased wear resistance which protects the fit over the life of the bit. Milwaukee double ended bits have Shockzones optimized for each tip type and length to absorb peak torque and prevent breaking. Precise custom machined driver bit tips prevents stripping and reduces wobble providing extreme durability for the most demanding applications. The PH1/SL1-4 impact double ended driver bit is made from Custom Alloy76 Steel to extend the life of the driver bits, providing up to 5X life vs.…

While most screw driving bits are simply compatible with impact drills and drivers, Irwin Impact Performance Series fastener drive bits are engineered for maximum durability and long life with impact more→drivers. These bits are forged rather than milled, so they fit fasteners more precisely, which reduces stripping and increases the life of the bit itself - Irwin's Impact Performance Series bits have three times longer life than traditional bits.