Impact Bits & Accessories

Impact Driver Bits, Nut Drivers, and Screwdriver Bit Sets

Impact bits and fastening accessories support high-torque driving applications across framing, finishing, mechanical installation, electrical work, and industrial assembly. Proper bit selection improves fastener engagement, reduces cam-out, and extends tool and fastener life.

Our selection includes impact-rated screwdriver bits, nut drivers, socket adapters, drill bits, hex extensions, and accessory sets from Wera, DEWALT, Milwaukee, and Vega.

Impact-Rated Screwdriver Bits

Impact-rated bits are engineered to withstand high torque and repetitive impact cycles.

Available in Robertson, Phillips, Torx, and slotted configurations.
Individual bits and multi-piece sets support varied fastening needs.    Shock-absorbing designs reduce breakage under load.

Matching bit type to fastener head improves drive consistency and reduces stripping.

Nut Drivers and Magnetic Nut Drivers

Nut drivers are used for driving hex-head fasteners in structural and mechanical applications.

Magnetic tips improve fastener retention.
Available individually or in sets for common sizes.
Designed for compatibility with impact drivers and drills.

Proper size selection prevents rounding and fastener damage.

Socket Adapters and Hex Extensions

Adapters and extensions expand tool versatility.

Socket adapters convert hex drives for socket use.
Hex extensions provide added reach in tight spaces.
Secure retention systems improve connection stability.

Using proper extensions improves access without sacrificing control.

Drill Bits for Combined Fastening Systems

Drill bits are commonly used alongside impact drivers and drills in fastening workflows.

Suitable for pilot holes in wood, metal, and composite materials.
Available in individual sizes and sets.
Designed for durability under repeated use.

Proper pilot hole sizing improves fastener holding strength.

Built for High-Torque Jobsite Use

Impact accessories operate under rotational force and repetitive stress. Professional-grade construction improves torsional strength, tip durability, and consistent engagement in demanding environments.

Correct bit alignment and replacement reduce wear on both tools and fasteners.

How Impact Accessories Support Fastening Workflows

Impact bits and accessories are used alongside impact drivers, drills, fasteners, anchors, and structural hardware. Reliable engagement improves efficiency across framing, cabinetry, mechanical installation, and general construction tasks.

Located in Woodstock just minutes from Highway 401, Contractor Cave supports contractors across Southern Ontario with convenient pickup for tools, fasteners, and jobsite supplies.

Impact Bits FAQ

What is the difference between impact-rated and standard screwdriver bits?

Impact-rated bits are designed to handle higher torque and shock loads generated by impact drivers, reducing breakage and wear.

Which bit type should I use for Robertson screws?

Robertson screws require a square-drive bit that matches the fastener size for proper engagement and reduced cam-out.

Are magnetic nut drivers better?

Magnetic nut drivers help hold fasteners in place during installation, improving speed and control.

Can I use drill bits in an impact driver?

Some drill bits are impact-rated, but not all standard drill bits are designed for impact use. Always verify compatibility.

Why do bits strip or break?

Improper bit size, excessive torque, or worn tips can cause stripping or breakage. Using quality bits and correct sizing reduces failure.