Heavy Duty 20 Piece 4 Inch Hex Bit Set With Metric And SAE Bits, High Torque Impact Allen Bits, Premium S2 Steel 1/4 Inch Hex Shank, Magnetic CNC Tips For Impact Drivers And Drills For Pros And DIYers

Heavy-Duty 4-Inch Hex Bit Set for High-Torque Jobs
✔️ 20-piece metric & SAE hex set with 4" shank, magnetic tips

This heavy-duty hex bit set is built for pros and DIYers tackling automotive, machinery, and woodworking projects. The 4-inch reach helps access deep sockets, engine compartments, and tight joints where standard bits won't fit.

✅ 20-piece metric & SAE hex bit set (10 metric, 10 SAE) in 4" quick-release hex-shank
✅ 4" extended reach for engine bays and tight spaces
✅ Impact-resistant torsion zone absorbs high torque; 1/4" hex shank fits most drivers
✅ Premium S2 steel with manganese phosphate coating resists rust; CNC-magnetic tips
✅ Works with impact drivers, drills, and hex driver systems for auto, industrial, and DIY

💡 What is a heavy-duty hex bit set used for in automotive and DIY applications?

This handy guide explains common use cases. - engine bay repairs and tight-space fasteners - metric and SAE bit coverage for many fastener sizes - magnetic CNC tips for quick screw pickup - 4-inch reach for deep or recessed fasteners in vehicles and furniture