RS PRO Plain Steel Hex Socket Countersunk Screw M3 x 8 mm, DIN 7991, Grade A 281-388

RS PRO 281-388 Plain Steel Hex Socket Countersunk Screw is a precision-engineered fastener designed for secure, flush mounting. It features a metric M3 thread and an 8 mm length, making it suitable for light-duty and compact applications.

Constructed from Grade A steel, this screw offers enhanced strength and longevity, providing a nominal tensile strength of 1040 N/mm² and a yield strength of 940 N/mm². The hex socket drive enables easy installation and removal with an Allen key, while the countersunk head ensures the assembly surface remains unobstructed.

This screw has a plain finish, supporting versatile use across mechanical, electronic, panel-building, and automotive industries. It is particularly preferred where flush fitment and minimal obstruction are critical, such as in security guarding and internal joinery, as well as machine tool and repair tasks.

Compliance with DIN 7991 means engineers can rely on industry-standard performance, and visible markings on the screw head reinforce traceability. The product's metric threading matches standard sockets for quick and secure fastening.

Applications for this screw include industrial equipment, woodworking, domestic installations, fasteners and fixings, machine repairs, panel building, electronic devices, medical assemblies, and facility maintenance.

Manufactured from high-quality Grade A steel for durability and reliability. Hex socket countersunk head offers a flush finish on assembled surfaces. Thread size M3 and length of 8 mm for standard metric fasteners. Plain finish ensures compatibility with diverse environments and applications.

Complies with DIN 7991 standard for consistency and engineering safety. Drive type is hex socket, compatible with Allen key or hex wrench. Markings on the head provide traceability and strength rating. Nominal tensile strength of 1040 N/mm², yield strength of 940 N/mm².

Versatile for machine assembly, joinery, panel building, electronic, and automotive uses.

This screw is an excellent choice for demanding industrial use, supporting reliable assembly and maintenance where mechanical integrity is vital. Explore more RS PRO Socket Screws and industrial fasteners in the EnvMart catalogue.