25 - Flat Washer - O-ring - A2 Stainless Steel Black M4 For Screws and Bolts External Hydraulic Fastening Black 9x0.8cm

This set includes 25 flat washers made of black A2 V2A stainless steel. Designed for M4 threaded screws and bolts, these washers ensure a robust fastening thanks to their corrosion resistance. The integrated O-ring improves sealing in hydraulic systems or pipe fittings. Ideal for humid environments, these washers reduce wear on parts and prevent loosening caused by vibration. Material: A2 V2A (304) Stainless Steel Color: Black Quantity: 25 Pieces Inner Diameter: 4.3 mm Outer Diameter: 9 mm Thickness: 0.8 mm Thread Type: M4 Technical Specifications: Pack of 25 black 304 stainless steel M4 washers, 4.3 mm inner diameter, 9 mm outer diameter, 0.8 mm thickness. Compatibility and Accessories: Compatible with M4 threaded screws and bolts, ideal for machinery, vibrating equipment, and plumbing systems. Installation and Use: Placed under the screw head to increase friction, prevent loosening, and distribute pressure across surfaces. Other Information: Rust-resistant material suitable for humid outdoor environments; fills gaps for increased sealing against... leaks.

Precautions for use: Measurements may vary slightly; the black color may appear slightly different depending on screen lighting.