Drill bit set DeWalt DT70757-QZ — 55 pcs, HSS-G metal bits (3–12 mm), flatwood bits 14 mm x 152 mm, includes nut driver

DeWalt DT70757-QZ is a 55-piece drill bit set designed for general workshop and onsite use in metal fabrication, carpentry and maintenance tasks. The set includes HSS-G metal twist bits in 3, 4, 5, 6, 8, 10 and 12 mm, a flatwood bit (14 mm × 152 mm) with a bevelled pilot point and robust shank, a nut driver and a small bulk storage case. All items are supplied in a medium Tough Case that is connectable and compatible with the TSTAK system for organised transport and stacking.

Advantages

The HSS-G metal bits are manufactured from high speed steel and precision ground for concentricity, wear resistance and long life, enabling fast and accurate drilling in a variety of metals. The flatwood bit features bevelled outer cutting edges and a bevelled pilot point for precise positioning and a clean hole in wood, and its thick steel shank improves durability. The 1/4" shank and included adapters ensure easy, slip‑proof clamping and quick bit changes, while the screwdriver bits and nut driver use optimised tip geometry to reduce cam‑out and eliminate wobble.

Suitable for

• Drilling holes in mild and thin sheet metal and structural steel components
• Wood drilling and carpentry tasks requiring clean flat holes
• General maintenance, repair and installation work on site and in workshops
• Use with cordless or corded drills and driver systems that accept 1/4" shanks

Key specifications

• Contents: 55 pieces including HSS-G metal twist bits (3, 4, 5, 6, 8, 10, 12 mm), flatwood bit 14 mm × 152 mm, nut driver and adapters
• Metal bit material: high speed steel (HSS-G), precision ground twist geometry
• Flatwood bit features: bevelled pilot point, bevelled outer cutting edges, thick steel shank
• Shank type: 1/4" shank for secure clamping and compatibility with quick‑change chucks
• Case: medium Tough Case, connectable and TSTAK compatible for stacking and organisation

How to use

Select the appropriate drill bit size for the material and hole diameter required. Secure the bit in the drill chuck or 1/4" quick‑change holder, ensuring it is fully seated to avoid slippage. For metal, use the HSS‑G bits at appropriate speeds and apply steady feed with cutting fluid when necessary to prolong bit life. For wood, use the flatwood bit with its bevelled pilot point for precise positioning; start at low speed to seat the pilot and then increase speed for clean cutting. Use the nut driver and screwdriver bits for fastening tasks, ensuring the fastener and driver are properly aligned to reduce cam‑out.

Usage recommendations

Store the set in the medium Tough Case and connect it to other sets or the TSTAK system for organised transport. Match drill speed and feed to the material: lower speeds and cutting fluid for harder metals, moderate speeds for mild steel, and higher speeds for wood. Inspect bits for wear before use and replace damaged bits to maintain drilling accuracy and safety.