Makita M8104K

The Senco square drill bits are replacement parts and are made from heat treated tool steel for extended bit life. They are designed to fit precisely in Senco Dura Spin screws for optimal performance. more→The square bit provides extra grip in high torque applications.

FlexTorq bits are engineered for durability. Every FlexTorq bit features a FlexTorq Zone designed to absorb impact for longer life. Each bit features a precision-machined tip for an ideal fit in screw more→head recesses, resulting in fewer stripped screws.

The Milwaukee Shockwave Impact 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 protects th more→e 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.