Impact Drill Driver Screw Bit Set: Manufactured from extra-hard shock-resistant S2 steel, these screwdriving bits withstand high torque in home, carpentry and electrician jobs Screwdriver Bit Selection: Includes Hex, Torx, Square, and Pozidriv types with 25 and 50mm lengths; features shock-absorbing torque zones that distribute stress under impact Nut Drivers and Bit Accessories: 2 nut drivers for common HVAC jobs; a 3/8" drive Socket Adaptor to fits sockets for rapid turning; a sleeve holder to safely hold screws; a countersink bit for deburring Protective Phosphate Coating: Manganese phosphate treatment enhances corrosion resistance and durability, extending the life of the bits Precision Machined Screwdriving: Sharp tips ensure a snug fit, reducing cam-out and stripping of fasteners, for smooth and efficient fastening every time The 44pc Metric 1/4in Impact Screwdriver Bit Set by Hi-Spec is the ultimate solution for hard screwdriving tasks. Designed specifically for electric drill drivers and power screwdrivers, this essential driver bit set is perfect for serious DIY users. With our S2 steel screwdriver bits, you can conquer challenging screwdriving jobs with ease. These bits outperform standard Cr-V bits in hard-stop fastening, delivering optimal torque and ensuring a seamless and efficient operation.

This all-in-one bit driver set covers all your needs with popular PZ & PH sizes, Torx, Pozidriv, Hex Allen bits, and HVAC nut drivers. Whether you're working in your workshop, garage, or household, this comprehensive set has got you covered for a wide range of applications and tasks.

When it comes to precise impact screwdriving, our expertly machined tips minimize stripping and cam-out, providing you with accurate results every time. The extended torsion zone in the bit shanks effectively distributes stress, offering reliability and durability.

Built to last, our screwdriver bits are crafted from S2 shock-resistant steel and coated with a protective phosphate layer. This enhances their ductility and hardness, making them a dependable choice for experienced users.

Upgrade your screwdriving game with the 44pc Metric 1/4in Impact Screwdriver Bit Set by Hi-Spec. Tackle tough projects with confidence and precision, knowing that you have the best tools at your disposal.