Hyjoy M8 Aluminum Round Spacers — 10 pcs, 8.5mm ID x 25mm OD x 4mm — Fits 5/16" / M8 Screws

Quantity: 10 pieces. Material: Aluminum. Color: Silver. Product dimensions: 8.5mm inner diameter (ID) × 25mm outer diameter (OD) × 4mm thickness. Designed to be used with 5/16" or M8 screw bolts. Built from aluminum for a lightweight yet durable spacer solution — offers good electrical/thermal conductivity, corrosion resistance, and long service life. These round standoffs provide reliable separation and alignment between components. Installation: slide the spacer onto a 5/16" or M8 screw/bolt shaft and position between the parts to be spaced. Ensure the bolt diameter matches the spacer ID for a secure fit. Typical applications include use in high-temperature, high-pressure, and corrosive environments such as pressure vessels, valves, cylinder assemblies, steel mills, chemical plants, and other engineering machinery. Note: verify that the 8.5mm ID, 25mm OD, and 4mm thickness meet your requirements before purchase.