DEWALT PB901.03-QZ Impact Torsion Phillips PH3 bit 90 mm

Precision-machined Phillips PH3 tip on high-grade S2 modified steel — engineered to withstand the extreme torque of impact drivers without breaking or deforming. The DEWALT PB901.03-QZ Impact Torsion bit delivers professional-grade fastening performance for heavy-duty applications.

Overview

The DEWALT PB901.03-QZ is a single Phillips PH3 power bit with a 1/4" hex shank, designed for use with impact drivers and power drills. Its 90 mm overall length provides extended reach for recessed screws and tight spaces. The bit features an optimised torsion zone that absorbs peak torque and reduces stress at the tip, significantly extending service life compared to standard bits.

What stands out

• Optimised Torsion Zone: flexes under load to prevent tip breakage and extend bit life.
• High-grade S2 modified steel: enhanced core strength for maximum durability in demanding applications.
• Precision-machined tip: ensures a perfect fit in Phillips PH3 screw heads, reducing cam-out and stripped screws.
• Universal 1/4" hex shank: fits all standard impact drivers and quick-change chucks.
• Impact ready: specifically designed to withstand the high torque of impact tools.

Technical details

• Bit type: Phillips
• Bit size: PH3
• Overall length: 90 mm
• Shank type: Hex
• Shank size: 1/4 inch (6.35 mm)
• Material: High-grade S2 modified steel
• Quantity per pack: 1
• Product series: DeWalt Impact Torsion
• Colour: Black/Grey
• Compatibility: Universal 1/4" hex shank tools

Our verdict

For professionals who demand reliability under high torque, the DEWALT PB901.03-QZ is a top-tier choice. Its torsion zone and S2 steel construction make it a durable, long-lasting bit that reduces downtime and improves fastening accuracy.