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RS PRO Bright Zinc Plated Steel Hex Socket Countersunk Screw M4 x 30 mm 491-5108
Specifications
| Country of Origin | Taiwan |
|---|---|
| Brand | RS PRO |
| Material | Steel |
| Grade | A |
| Length | 30mm |
| Model | 491-5108 |
| Finish | Bright Zinc Plated |
| Drive Type | Hex Socket |
| Head Shape | Hex Socket Countersunk |
| Screw Diameter | M4 |
| Thread | M4 |
| Standards/Approvals | DIN 7991 |
Key Features
- This screw features a hex socket countersunk head shape for a flush finish in fastening applications.
- The M4 thread size and 30 mm length suit a variety of light domestic, electronic, and industrial uses.
- The bright zinc plated finish protects against rust and enhances durability for reliable performance.
- Complies with DIN 7991 standards and electrostatic control regulations for safe use in sensitive equipment.
- Ideal for machine tooling, automotive, medical devices, and panel building applications.
- The screw is tightened or loosened using an Allen or hex key drive type.
- Manufactured in Taiwan, it provides a robust solution for precision fastening needs.
Product Description
RS PRO 491-5108 Hex Socket Countersunk Screw M4 x 30 mm is a metric thread fastener made from 10.9 grade steel featuring a bright zinc-plated finish for corrosion resistance. The hex socket countersunk head enables the screw to sit flush with or below the surface, making it ideal for applications requiring a smooth finish.
These screws comply with DIN 7991 specifications and electrostatic discharge control standards ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007, ensuring safe use with sensitive electronic and medical equipment.
With a thread pitch of 0.7 mm and a nominal strength of 1040 N/mm², this M4 screw delivers excellent tensile and yield strength for demanding industrial and domestic fastening needs.
Common industrial applications include machine tooling, automotive assembly, security guarding, panel building, and equipment repair. They are also suitable for woodworking and electronic appliance fastening.
The hexadecimal drive system allows for easy installation and removal with a suitable Allen or hex key. Bright zinc-plated finish provides rust and corrosion protection. Hex socket countersunk head for flush fitting. Made from high tensile 10.9 grade steel material.
Complies with DIN 7991 and international electrostatic control standards. Threaded to metric M4 standard with 30 mm length and 0.7 mm pitch. Ideal for machine tooling, medical, automotive, and panel building applications.
Manufactured in Taiwan, Province Of China ensuring quality and reliability. Explore more industrial fasteners and Socket Screws in the EnvMart catalogue for efficient and reliable fastening solutions.
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Frequently Asked Questions
This model has a length of 30 mm and a thread size of M4.
It is made from high tensile 10.9 grade steel, which provides excellent strength.
It complies with DIN 7991 specifications and international electrostatic discharge control standards ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007.
This unit uses a hex socket drive type, which allows for tightening and loosening with an Allen or hex key.
It is ideal for machine tooling, automotive assembly, medical devices, and panel building applications.
The nominal strength of this M4 screw is 1040 N/mm², providing excellent tensile and yield strength.
The thread pitch for this model is 0.7 mm.
This screw is manufactured in Taiwan, ensuring quality and reliability.
The screw has a diameter of M4 and a length of 30 mm.
Yes, it complies with electrostatic control regulations, making it safe for use with sensitive electronic and medical equipment.
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