Description
Overview:
This 1/8" imperial hex key (across flats) is a compact short‐arm L‐wrench designed for turning hex socket screws and bolts with accuracy. Made from durable steel for everyday workshop use, it provides reliable torque and control when working on construction equipment, garden machinery, fixtures, and general repairs. The 1/8" size equals 3.175 mm, making it suitable for fasteners specified in imperial sizes often found on older machines and various assemblies. Its short arm improves access in confined spaces such as guards, housings, and tight recesses. Identified by MPN 902 0334, this single-size key is a practical replacement or spare to keep in site kits and tool rolls. Suitable for both professional and DIY users who need a dependable imperial hex driver.
Key Features:
- Size: 1/8" (3.175 mm) AF for imperial hex socket screws and bolts
- Short-arm L-shape for better access and control in tight spaces
- Durable steel construction for long service life under regular use
- Accurate tip geometry for a secure fit and reduced fastener rounding
- Compact form factor for easy storage in pockets, pouches, or tool rolls
- Delivers steady torque for assembly, adjustment, and maintenance tasks
- Versatile for workshop, site, and garage work on machinery and equipment
- Sold individually, ideal for replacing a frequently used size without buying a set
- Suitable for both trades and DIY, from light repairs to routine servicing
- MPN: 902 0334 for straightforward identification and reordering
Typical Applications:
Turning socket head cap screws, set screws, and grub screws on machinery guards, pulleys, collars, brackets, and fixtures. Useful for garden equipment servicing (mowers, trimmers), construction tools, furniture assembly, jigs and fixtures, and general equipment maintenance where imperial hex fasteners are specified. Effective in confined areas thanks to the short arm length.
Also known as:
Allen wrench, hex wrench, hex driver, L-wrench, in-hex key, AF hex key, socket-head key, L-key, hexagon driver.
Product Specifications
| L&S Part No. | 902 0334 |
|---|---|
| Unit of Sale | 1 |
| Size | 1/8" |
| Key Features | - 1/8" (3.175 mm) size for imperial hex socket screws - Short-arm L-shape for access in tight spaces - Durable steel construction for regular workshop use - Accurate tip reduces fastener rounding - Compact for storage in pockets or tool rolls |


