Description
Overview:
This Woodruff Keys 2-13 mm set provides a handy selection of semicircular shaft keys used to lock rotating parts to a shaft and maintain alignment under load. Made from durable carbon steel, the keys are suitable for workshop, site, and home use across construction and garden machinery, small engines, pumps, generators, and general equipment. They help secure pulleys, gears, flywheels, and couplings, preventing relative motion and slippage. The set is organised in a plastic storage case with a printed size guide for quick selection and tidy storage. Covering common sizes from 2 mm up to 13 mm, it is a practical choice for routine maintenance and repairs. Supplied as Manufacturer Part Number (MPN) 105 157, it supports reliable fitting and straightforward replacement during servicing.
Key Features:
- Sizes from 2 mm to 13 mm cover common keyway requirements in small engines and machinery
- Carbon steel construction for strength, wear resistance, and dependable torque transmission
- Semicircular profile seats securely in curved keyseats for positive drive and alignment
- Straightforward installation using basic hand tools; well suited to on-site repairs
- Helps prevent pulley, gear, and flywheel slippage, protecting shafts and components
- Ideal for maintenance kits in workshops, service vans, and plant yards
- Supplied in a compartmented plastic case for organised storage and quick identification
- Printed size guide supports accurate selection and reduced downtime
- Versatile across construction equipment, garden machinery, and general mechanical assemblies
- Clearly identified as MPN 105 157 for easy reordering and stock management
Typical Applications:
Used to key pulleys, gears, couplings, and flywheels to shafts on lawn mowers, compact tractors, tillers, strimmers, plate compactors, generators, pressure washers, pumps, and compressors. Suitable for timing drive alignment on small petrol engines and for securing impellers and blade adapters. Useful in repair, rebuild, and preventative maintenance tasks in workshops and on-site, where reliable torque transfer and repeatable positioning are required.
Also known as:
Often referred to as half‐moon keys, keyway keys, shaft keys (Woodruff type), crescent keys, and keyseat keys. These terms describe the same semicircular key used in a curved keyseat on a shaft to lock a mating component in place. Commonly grouped under machine keys for small engines and general machinery, they provide positive drive and accurate component location.
Product Specifications
| L&S Part No. | 105 157 |
|---|---|
| Unit of Sale | 1 |
| Size | Sizes: 2 x 3.7, 2.5 x 3.7, 3 x 3.7, 3 x 5, 3 x 6.5, 4 x 5, 4 x 6.5, 4 x 7.5, 4 x 9, 5 x 6.5, 5 x 9, 6 x 9, 6 x 11, 6 x 13, 6 x 15, 8 x 11, 8 x 13, 10 x 13mm |
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