A high-resolution product image featuring two Diablo #3 square drive bits positioned diagonally. Each bit has a black oxide finish, a 1/4-inch hex shank, and a distinctive red band featuring the white Diablo logo. The size identifier R3 is laser-etched in white on the lower portion of the bit bodies.
A close-up product shot of a single Diablo #3 square drive bit with a black finish and a 1/4-inch hex shank. The bit is identified by a red band with the white Diablo logo and has the size R3 laser-etched into the metal surface on the shank.
The retail hanging card packaging for the Diablo DSQ31P2 Square Drive Bit set. The red and white card displays two bits with red brand bands and includes high-visibility icons for the SQ3 bit size, 1-inch (25mm) length, and a quantity of two bits. Marketing text on the card highlights the MaxTorque Zone, Impact Strong technology, and a 50X longer life rating compared to standard drive bits.
A high-resolution product image featuring two Diablo #3 square drive bits positioned diagonally. Each bit has a black oxide finish, a 1/4-inch hex shank, and a distinctive red band featuring the white Diablo logo. The size identifier R3 is laser-etched in white on the lower portion of the bit bodies.
A close-up product shot of a single Diablo #3 square drive bit with a black finish and a 1/4-inch hex shank. The bit is identified by a red band with the white Diablo logo and has the size R3 laser-etched into the metal surface on the shank.
The retail hanging card packaging for the Diablo DSQ31P2 Square Drive Bit set. The red and white card displays two bits with red brand bands and includes high-visibility icons for the SQ3 bit size, 1-inch (25mm) length, and a quantity of two bits. Marketing text on the card highlights the MaxTorque Zone, Impact Strong technology, and a 50X longer life rating compared to standard drive bits.
DIABLO

Diablo DSQ31P2 2-Pack 1-Inch #3 Square Drive Bits Impact Strong 1/4-Inch Hex Shank Power Screwdriver Bit Set for Cordless Impact Drivers

In stock
SKU: DSQ31P2
$1.99

Description

Unleash Professional-Grade Torque with Diablo Impact Strong™ Square Drive Bits

The Diablo DSQ31P2 1-inch #3 Square Drive Bit set is engineered for the modern job site, delivering unparalleled performance where standard bits fail. Specifically designed for high-torque applications like deck building, cabinetry, and structural framing, these #3 square (SQ3) bits provide a rock-solid connection that prevents the rounding and stripping often associated with heavy-duty fasteners. Whether you are driving large lag screws into pressure-treated lumber or installing subflooring, the Impact Strong™ construction ensures these bits thrive in both the most aggressive cordless impact drivers and traditional corded drills.

Built for maximum longevity, these bits feature Diablo’s innovative MaxTorque Zone, a specialized design that absorbs high-torque peaks to reduce stress at the tip. This unique engineering allows for up to 50X longer life compared to standard screwdriver bits, meaning fewer trips to the toolbox and more time finishing the task at hand. Each bit is finished with a premium rust-protection coating to withstand harsh outdoor conditions and features laser-engraved markings for instant size identification. Upgrade your fastening game with the precision and extreme durability of Diablo.

Key Features

  • 50X Longer Life: Extreme durability and impact resistance compared to standard bits.
  • MaxTorque Zone: Absorbs high torque loads to minimize stress at the tip and prevent breakage.
  • Optimized Tip Design: Provides a precise, non-slip grip to reduce wear and fastener stripping.
  • Impact Strong™ Technology: Delivers maximum shank stability for high-performance cordless drivers.
  • Rust Protection Coating: Superior wear and corrosion resistance for all-weather durability.
  • Laser-Engraved Markings: Permanent size identification that won't rub off during heavy use.
  • Advanced Heat Treatment: Strengthens the bit core for maximum impact resistance.
  • Precision Fit: Optimized geometry reduces "cam-out" and protects your fasteners.

What's Included

  • (2) Diablo 1" #3 Square (SQ3) Impact Strong™ Drive Bits

Specifications

Brand Diablo Tools
Model Number DSQ31P2
Head Type #3 Square (SQ3)
Bit Length 1 in.
Shank Diameter 0.25 in. (1/4")
Shank Type Hex Shank
Material Heat-Treated S2 Steel
Impact Rated Yes (Impact Strong™)
Finish Rust Protection Coating
Pack Quantity 2
Weight 0.03 lbs

Pro-Tip: To maximize the life of your square bits, ensure the bit is fully seated and perpendicular to the screw head before applying torque. Square drive bits are designed for high-engagement, so clearing wood glue or debris from the screw recess will ensure the bit fits perfectly, allowing the MaxTorque Zone to function as intended and preventing premature wear.