Description
Overview
The Malco Reversible Nut Driver (MSHLC) is designed for hardware installation and fastening applications requiring dual hex socket sizes, compatible with standard drill and impact driver chucks.
| Specification | Value |
|---|---|
| MPN | MSHLC |
| Brand | Malco Products SBC |
| Weight | 0.01 lb |
| Hex Sizes | 1/4″ & 5/16″ |
| Barrel Length | 2-5/8″ |
| Category | Hardware > Tools > Impact Wrenches & Drivers |
| Compatibility | Drill and impact driver chucks; Zip-In and Bit-Tip screw systems |
Technical Features
- Double-ended reversible hex socket barrel: Provides both 1/4″ and 5/16″ hex sizes in a single tool, reducing the need to carry two separate drivers and lowering cost per hex size.
- Secure shaft locking mechanism: The barrel locks onto the driver shaft in either direction without requiring disengagement from the drill or impact driver chuck, enabling fast direction changes mid-task without workflow interruption.
- Magnet-tipped shaft with easy-clean design: The fully accessible magnet tip can be wiped clean with a cloth or glove, preventing metal shaving build-up in the hex opening and preserving consistent Zip-In or Bit-Tip screw performance.
- C-RHEX internal seating geometry: The driver internally seats the outer rim of the Zip-In or Bit-Tip recessed head, keeping the hex washer screw head flush and avoiding direct contact between the screw head and the magnet, reducing the risk of driver magnet damage.
- Optimum head height engagement: Engineered head heights for Zip-In and Bit-Tip compatibility ensure the screw head is consistently held flush, supporting faster and more uniform fastening results.
- Tested torque output: Verified to deliver torque equal to one-piece single-size nut drivers, confirming no performance compromise from the dual-size reversible format.
Applications
- Hex washer screw installation using Zip-In or Bit-Tip screw systems
- HVAC, sheet metal, and general construction fastening requiring 1/4″ or 5/16″ hex drive
- Use with standard drills and impact drivers on the job site
- Applications where minimizing tool changeovers and driver inventory is a priority






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