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Low Head Socket Cap Screws, Class. 8.8, Thermal Black Oxide (Metric)
Metric low head socket cap screws rated at Class 8.8 and finished with a thermal black oxide coating provide reliable strength and a compact, reduced‑profile design ideal for tight‑clearance mechanical assemblies. Featuring a lower‑height cylindrical head and internal hex drive, these screws deliver strong clamping performance while fitting into spaces where standard socket cap screws would interfere with movement or assembly geometry.
The thermal black oxide finish improves wear resistance, enhances lubricity during installation, and provides a uniform, low‑glare black appearance suitable for industrial equipment, machinery, automation systems, and general construction applications. These screws are commonly used in locations where clearance, weight, and profile height are critical.
For large scale orders, request a quote to receive our best pricing available for your custom order.
Class 8.8 low head socket cap screws are engineered for medium‑to‑high strength fastening while offering the space‑saving benefits of a reduced‑height head. This makes them ideal for overlapping components, sliding mechanisms, compact motion systems, and assemblies where flush or semi‑flush head geometry is required.
The thermal black oxide coating adds surface durability and mild corrosion protection, making these screws effective for indoor industrial environments, controlled atmospheres, and equipment where consistent performance and clean appearance matter.
Available in a wide range of metric sizes and lengths to meet exact engineering and OEM requirements.
