Description M8 Short Spring Channel Nuts – A4 Stainless Steel These M8 short spring channel nuts are made from high-quality A4 (A316) marine-grade stainless steel, offering excellent corrosion resistance in demanding environments. Each nut includes a pre-fitted short spring, making it ideal for fast and secure installation into 21mm shallow Unistrut-style channels. Specifications: Thread Size: M8 (Metric) Nut Thickness: 6mm Material: A4 Stainless Steel (Marine Grade – A316) Spring Type: Short Spring (pre-attached) Channel Compatibility: Fits 21mm Unistrut & Bracket Systems Sold: Individually Key Benefits: Perfect for 21mm shallow channel systems Rustproof and durable in harsh environments Fast, tool-free installation with spring-loaded design Used across electrical, HVAC, and marine setups Applications: For fixing brackets and support systems inside 21mm Unistrut channels Ideal for external, coastal, or corrosive settings Suited for marine-grade installations and heavy-duty use Ordering & Delivery ✔ Trusted UK Delivery – 95% of orders dispatched within 24 hours Most orders arrive within 1–2 working days as standard. Note: Heavy or bulk orders, as well as any special cut length or non-standard products, may take slightly longer to dispatch. For bulk quantities or trade pricing, please call our team on 0121 270 8507. Related Products M8 Threaded Rod Connector – A4 Stainless All Stainless Steel Channel Nuts