DEWALT DT70735T-QZ 25-Piece EXTREME FLEXTORQ Screwdriver Bit Set with Magnetic Bit Holder, TSTAK Case

Engineered with S2 modified steel and the EXTREME FLEXTORQ torsion zone, this 25-piece set absorbs high-torque impacts to prevent bit breakage and extend service life. The 1/4" hex shank ensures a secure fit in impact drivers and drills, while the included magnetic bit holder provides quick, one-handed bit changes. Packed in a compact TSTAK-compatible tough case, it keeps your bits organized and protected on the job.

Overview

The DEWALT DT70735T-QZ screwdriver bit set delivers professional-grade durability for heavy-duty fastening. Each bit is crafted from S2 modified steel, heat-treated for hardness and resilience. The EXTREME FLEXTORQ torsion zone flexes under load to transfer torque efficiently, reducing stress at the tip and preventing premature failure. This set includes 25 pieces covering Phillips, Pozi, and Torx drive types, plus two socket adaptors for versatility.

What stands out

• EXTREME FLEXTORQ torsion zone absorbs impact and reduces breakage
• S2 modified steel construction for maximum strength and longevity
• Magnetic bit holder for fast, secure bit retention
• Includes 10 PZ2 bits, the most common size for European screws
• Compact TSTAK-compatible case for easy storage and transport
• Socket adaptors convert 1/4" hex to 1/4" and 3/8" square drives

Technical details

• Number of pieces: 25
• Bit shank: 1/4" hex
• Material: S2 modified steel
• Included bit types: Phillips (PH2), Pozi (PZ2), Torx (TX15, TX20, TX25, TX30, TX40)
• Bit counts: 2 × PH2, 10 × PZ2, 1 × TX15, 2 × TX20, 2 × TX25, 2 × TX30, 1 × TX40
• Accessories: magnetic bit holder, 1/4" hex to 1/4" square adaptor, 1/4" hex to 3/8" square adaptor
• Case: small tough case, TSTAK compatible
• Application: screw driving and fastening with impact drivers and drills

Our verdict

For professionals who demand reliability under high torque, this DEWALT set is a smart investment. The FLEXTORQ technology and S2 steel deliver exceptional durability, and the case keeps everything organized. With a generous supply of PZ2 bits and handy socket adaptors, it covers a wide range of fastening tasks.