RS PRO, Plain Stainless Steel Hex Nut, DIN 934, M3
- RS Stock No.:
- 0189563
- 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 | 0189563 |
| Product description | RS PRO, Plain Stainless Steel Hex Nut, DIN 934, M3 |
| 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 | 0189563 |
| Product description | RS PRO, Plain Stainless Steel Hex Nut, DIN 934, M3 |
| Manufacturer / Brand | RS PRO |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 7, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Product Details
RS PRO A4 Stainless Steel Hex Nuts - Metric
RS PRO A4 stainless steel hex nuts ideal for use in chemical processing equipment and marine environments due to its higher resistance to tarnish and corrosion. These nuts are the most common hexagonal fastener that has internal threads that screw on to the shank of a bolt or a hex cap screw.
Features and Benefits:
Metric hex nuts
To DIN934
A4 grade 18/8 stainless steel (Type 316 S16) – long lasting
Good resistance to corrosion and saltwater
Due to the hexagon nut having six sides it makes it easier to work with and is very versatile
Easy to tighten and loosen
Accessible from 360 degrees due to their shape
These RS PRO hex nut fasteners come in various thread sizes:
• 248-4551 – M2
• 248-4567 – M2.5
• 189-563 – M3
• 189-579 – M4
• 189-585 – M5
• 189-591 – M6
• 189-608 – M8
• 189-614 – M10
• 183-9045 – M12
• 248-4573 – M16
• 248-4589 – M20
Typical Applications:
Chemical processing equipment
Marine Environments
Automotive Applications
Construction Industry
General Industry
Machinery
Workshops
Standards
DIN 934
What is A2 Stainless Steel?
Stainless steel comes in many grades, the most popular being, A4 or 316 and A2 or 304. These two grades both offer excellent corrosion resistance, easy to clean and good resistance to extremely low and high temperatures. The difference between A2 and A4 is that A4 stainless steel has molybdenum added to it to help resist corrosion to chlorides such as sea water and de-icing salts making it better suited to extreme environments and exposure to chemical solutions. Stainless steel nuts, fasteners, screws and bolts are often manufactured from A4 or A2 stainless steel as the metal offers strong abrasion resistance, good resistance to corrosion and reliable low levels of distortion.
Specifications
| Attribute | Value |
| Brand | RS PRO |
| Width | 5.5 mm |
| Material | Stainless Steel |
| Thread Size | M3 |
| Stainless Steel Type | A4 316 |
| Type | Full |
| Finish | Plain |
| DIN Standard | DIN 934 |
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