Diablo Phillips Drive Bit DPH235B 3 and 1 by 2 Inch PH2 1 by 4 Inch Hex Shank (50X Life Impact Rated Torque Resistant Screwdriver Accessory)

Diablo DPH235B #2 Phillips 3-1/2-Inch Power Drive Bit 1/4-Inch Hex Shank

The Diablo DPH235B #2 Phillips 3-1/2-Inch Power Drive Bit is an extended impact-rated fastening accessory engineered with high-strength steel alloy to provide up to 50 times longer service life over standard driver bits. Designed to comply with ASME / ANSI manufacturing specifications, this 1/4-inch hex shank bit incorporates Impact Strong thermal processing and a torque-resistant torsion zone to absorb high rotational torque, preventing bit tip breakage and screw recess stripping in high-torque cordless impact drivers.

Best Used For:

• Extended Reach Fastening: Driving #2 Phillips fasteners through deep drywall channels, pocket holes, and tight framing bays where short bits cannot reach.
• High-Torque Decking & Framing: Installing long wood screws, composite decking fasteners, and self-tapping metal screws without tip cam-out or head stripping.
• Repetitive Commercial Assembly: Fastening cabinet hardware and structural wood assemblies continuously using 1/4-inch cordless impact drivers.

Key Performance & Safety Features

• Impact Strong Heat Treatment: Proprietary thermal hardening maximizes steel durability, allowing the shank to withstand heavy rotational impact force.
• Torque Resistant Torsion Zone: Flexes under high peak loads to absorb rotational stress, protecting the precision tip from twisting or snapping.
• Optimized Precision Fit Tip: CNC-milled #2 Phillips geometry seats firmly in screw heads to minimize slippage, wear, and fastener destruction.
• Corrosion-Resistant Protective Finish: Advanced surface coating guards the steel body against jobsite moisture, rust, and chemical degradation.
• Permanent Laser Engraving: Clear laser-etched markings provide quick size identification directly on the bit shank inside tool pouches.
• Universal Quick-Change Hex Shank: 1/4-inch hex design ensures maximum chuck retention and shank stability across all standard impact drivers and drills.

What's Included

• (1) Diablo DPH235B 3-1/2-Inch #2 Phillips Power Drive Bit

Technical Specifications

Pro-Tip: Use this 3-1/2-inch extended power bit directly in impact drivers when sinking screws into recessed electrical boxes or pocket holes to avoid using bit extensions that introduce chuck wobble.