Proto J4739P Torx Screwdriver Insert Bit Set 7 Piece

Product Description

The PROTO J4739P is a 7-piece Torx screwdriver insert bit set covering the most common Torx drive sizes used in trade and industrial maintenance work. The set spans T10 through T30, making it a practical solution for technicians who need to service equipment fastened with Torx hardware. Insert bits are designed for use with compatible bit holders, power screwdrivers, or ratchet-style handles. The set weighs 0.19 pounds, keeping it lightweight enough for a tool pouch or service bag. HVAC, electrical, and mechanical technicians will find this range of sizes relevant across a broad range of equipment panels, motor housings, and access covers.

This insert bit set is suited for residential and light commercial service work where Torx fasteners are standard. Common applications include servicing HVAC equipment panels, electrical enclosures, appliance assemblies, and general mechanical equipment. The T10 through T30 range covers a wide span of Torx fastener sizes encountered in field service environments. The set ships as a single package unit, making it straightforward to stock individually or as part of a larger tool inventory.

Key Features

• 7-piece set covering Torx sizes T10, T15, T20, T25, T27, and T30
• Insert bit format compatible with standard bit holders and power drivers
• Covers Torx size range T10 to T30 for versatile field use
• Lightweight at 0.19 pounds for easy portability
• UNSPSC Code 27110000 for procurement and catalog classification

Compatibility

Designed as an insert bit set for use with standard 1/4-inch hex bit holders, power screwdrivers, and ratchet handles that accept insert-style bits.

Installation Notes

Insert bits are installed and removed by hand into compatible bit holders — no special tools are required. Always de-energize or power down equipment before driving or removing Torx fasteners on electrical panels, HVAC units, or mechanical enclosures. Follow applicable codes such as NFPA 70E for electrical safety when working on or near energized equipment. Inspect bits for wear or rounding before use to avoid fastener damage.