RS PRO Plain Stainless Steel Hex Socket Countersunk Screw, ISO 10642 M4 x 20mm
- RS Stock No.:
- 3044895
- Brand:
- RS PRO
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 3044895 |
| Product description | RS PRO Plain Stainless Steel Hex Socket Countersunk Screw, ISO 10642 M4 x 20mm |
| Manufacturer / Brand | RS PRO |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 3044895 |
| Product description | RS PRO Plain Stainless Steel Hex Socket Countersunk Screw, ISO 10642 M4 x 20mm |
| Manufacturer / Brand | RS PRO |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 8, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Product Details
RS Pro Countersunk Screws - Hex Head
Our popular hexagon socket countersunk screws are an excellent choice when you need a fastener to sit flush or below the surface of your material. These RS Pro A4 (316) stainless steel metric thread countersunk screws are designed for light duty applications where space is limited. These fasteners are used where a strong, reliable joint is required. They ensure an attractive, quality appearance and finish wherever they are used and give you exceptional resistance to corrosion. All models are highly reliable and excellent quality.
Features and Benefits
• Various thread sizes available, including M3 and M4
• Great corrosion resistance
• Stainless steel
• Head height is equal to shank diameter
• More cost effective than titanium
Benefits of Stainless Steel
Stainless steel is useful for more than just a visual purposes. The main highlight would be the superior corrosion resistance, stopping unwanted issues like rusting. High heat resistance is also a big benefit, due to the way stainless steel is created, it can withstand an incredible amount of heat as opposed to screw or socket made from standard steel. The only possible issue may be cost, however a reliable and durable material will not only increase the longevity of the application, but also the sustainability.
What are socket screws used for?
Although uses may very, as standard, these screws are fasteners for industrial equipment or machines which requires parts to be fixed onto a surface or together. The socket will need to be the same metric thread as the screw itself. As an example, some of the types of uses would be:
• Fasteners and fixings
• Machine tooling and repair
• Security guarding
• Electronic applications
• Automotive industry
What is a socket screw?
Socket screws are defined by their name. They are a type of threaded bolt which screws into the intended socket. There are various thread sizes and lengths and can be used for both industrial and personal purposes. A good quality and reliable RS Pro socket screw ensures the fixing will remain strong and stable, whatever the application.
Standards
Threaded in accordance with DIN 7991
Specifications
| Attribute | Value |
| Brand | RS PRO |
| Thread Size | M4 |
| Stainless Steel Type | A4 316 |
| Thread Type | Metric |
| DIN Standard | ISO 10642 |
| Finish | Plain |
| Length | 20 mm |
| Material | Stainless Steel |
| Head Shape | Hex Socket Countersunk |
| Thread Pitch | 0.7 mm |
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