The Sparex Imperial Starlock Washer with a 5/32″ (4mm) inner diameter is a durable and reliable component engineered for fast, secure fitting in high-vibration environments.

Its star-shaped internal teeth grip tightly onto shafts or spindles, preventing loosening without the need for threading or additional hardware. Designed to resist wear, the Starlock washer is ideal for agricultural, automotive, and general mechanical applications.

Manufactured to high standards, this washer supports Imperial measurements, making it a convenient solution for traditional and retrofitted equipment.

Easily installed and cost-effective, its the perfect locking washer for maintaining the integrity of assemblies in heavy-duty conditions.

Key Features
Imperial 5/32″ (4mm) internal diameter for precise fitting
Starlock design provides high axial retention
Suitable for shafts, rods, and spindles
Ideal for agriculture, automotive, and mechanical setups
Sparex quality ensures durability and strength