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RS PRO Bright Zinc Plated Steel Hex Socket Countersunk Screw, M4 x 20 mm 491-5085

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RS PRO Bright Zinc Plated Steel Hex Socket Countersunk Screw, M4 x 20 mm 491-5085

Name: RS PRO Bright Zinc Plated Steel Hex Socket Countersunk Screw, M4 x 20 mm 491-5085
Brand: RS PRO
SKU: 190693

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Category Socket Screws Brand RS PRO Condition New

Specifications

Country of Origin	India
Brand	RS PRO
Material	Steel
Grade	A
Length	20mm
Model	491-5085
Finish	Bright Zinc Plated
Drive Type	Hex Socket
Head Shape	Hex Socket Countersunk
Screw Diameter	M4
Thread	M4
Standards/Approvals	DIN 7991
RS PRO Plain Steel Hex Socket Countersunk Screw, Hex Socket, M4 x 20 mmBrand	RS PRO

Key Features

Manufactured from bright zinc plated steel for corrosion resistance and quality finish.
Metric thread size M4 with a length of 20 mm to suit various fastening needs.
Features a hex socket drive and countersunk head for flush fitting.
Produced to DIN 7991 standards with 10.9 grade steel for high strength and durability.
Ideal for machine tooling, security guarding, panel building, and general light fastening applications.
Hex key operation allows easy tightening and removal.
Higher yield and nominal strength compared to 8.8 grade steel.
Suitable for woodworking, domestic, automotive, electronic, and medical applications.

Product Description

RS PRO 491-5085 Bright Zinc Plated Steel Hex Socket Countersunk Screw, M4 x 20 mm, is a high-quality metric fastener engineered for applications requiring a smooth surface finish with secure fastening.

Made from bright zinc plated steel, it offers enhanced corrosion resistance, making it suitable for indoor and some light outdoor uses. The hex socket drive with countersunk head ensures the screw sits flush with the surface, preventing snagging or protrusion, which is essential for aesthetic and functional integrity in assemblies.

Manufactured to the DIN 7991 standard in grade 10.9 steel, it provides a nominal strength of 1040 N/mm² and a yield strength of 940 N/mm², making it more resilient than conventional 8.8 grade fasteners. This combination of strength and finish quality makes it valuable across a range of industrial and commercial settings.

Typical applications include machine tooling, security guarding, panel building, woodworking, domestic settings, automotive assembly, electronics, and medical equipment. The screw is designed for ease of use with an Allen or hex key, facilitating installation and removal.

Manufactured from bright zinc plated steel for corrosion resistance and superior finish. Metric thread M4 and length 20 mm for versatile fastening applications. Hex socket countersunk head design ensures a flush surface and strong hold.

Produced in grade 10.9 steel meeting DIN 7991 standards for strength and reliability. Ideal for light fastening in industrial, automotive, medical, and electronic sectors. Hex key drive allows secure tightening and easy removal.

Offers higher strength compared to standard 8.8 grade fasteners. Suitable for various internal joinery and mechanical applications.

The set of fasteners is engineered to deliver consistent performance and aesthetic appeal, supporting a wide range of industrial, laboratory, construction, and manufacturing applications.

Explore more high-quality fastening solutions in the RS PRO range at EnvMart for reliable and precise assembly needs.

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