This internal shakeproof washer range is a high-quality fastening solution designed for reliability and long-term performance in demanding applications. Manufactured from premium A2 stainless steel, these washers provide excellent corrosion resistance, making them suitable for use in harsh and corrosive environments, including marine, construction, engineering, and general industrial settings.

Featuring an internal tooth (serrated) design in accordance with DIN 6797/98J, these stainless steel washers are engineered to enhance grip and resist loosening caused by vibration, movement, or dynamic loads. The sharp internal serrations bite into the mating surface and fastener, helping to maintain consistent clamping force and improve the security of bolted, screwed, and threaded assemblies.

Ideal for use with stainless steel metric fasteners, these washers are particularly useful where a secure, vibration-resistant joint is critical, such as machinery, equipment assemblies, structural fixings, electrical installations, and marine fittings. Their robust construction and resistance to rust and staining make them a dependable choice for both indoor and outdoor use, even in wet or exposed conditions.

Available in a range of metric sizes to suit different bolt and screw diameters, this internal shakeproof washer selection allows you to match the correct washer to your specific fastening requirements. Whether you are working on new installations, maintenance, or repair projects, these stainless steel internal tooth washers offer a reliable, professional-grade solution for improving joint security and extending service life in a wide variety of applications.