M4 Linch Pin, 316 Stainless Steel - LPIA4M4

Made in 316 (A4) stainless steel, the Linch Pin is a pin with a pivoting lock ring (or a retaining collar) used to secure a wheel, hitch or coupling on a shaft.

Made from 316 (A4) stainless steel, the grade normally specified for chloride-exposed work such as coastal installations, swimming pools, marine fittings and food-processing plant.

You can choose from 4 variants, covering sizes M4 to M10. Pack quantities depend on size: packs of 10 to 20.

In wet conditions, keep stainless steel apart from aluminium and galvanised steel with a washer or sleeve, to reduce the risk of galvanic corrosion.

Where this product is used

• Marine and agricultural fittings
• Trailer, tractor and equipment hitches
• Securing wheels and hubs on shafts
• Swimming pool and spa equipment
• Chemical and washdown areas

Features

• A4 (316) stainless steel with molybdenum, for coastal and chloride-exposed settings
• Positive retention of the pin
• Range covers M4 to M10 in 4 variants
• Pack quantities to suit trade and bulk buying: packs of 10 to 20
• Locks quickly and is quick to remove

Key specifications

Selecting the right option

Check the pin diameter against the shaft or hitch hole. The listing gives the size on each variant. For indoor and general outdoor use where chlorides are not a concern, the A2 (304) version is the lower-cost option: Linch Pin - 304 Stainless Steel.