RS PRO M3 x 12mm Zinc Plated Steel Pan Head Sems Screw, Plain Washer
- RS Stock No.:
- 0278837
- 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 | 0278837 |
| Product description | RS PRO M3 x 12mm Zinc Plated Steel Pan Head Sems Screw, Plain Washer |
| 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 | 0278837 |
| Product description | RS PRO M3 x 12mm Zinc Plated Steel Pan Head Sems Screw, Plain Washer |
| Manufacturer / Brand | RS PRO |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 15, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: TW
Product Details
RS PRO SEMS Screw with Plain Washer
RS PRO SEMS Screw
From the trusted RS PRO brand, these pan head SEMS screws are ideal for when a good speed of assembly is required. SEMS screws have advantages over similar threaded screws in that a loose washer is pre-fitted to the fastener, saving you time in selecting and fitting a separate washer. As such, whenever a quick installation is required, these SEMS screws are ideal.
The screws feature a bright zinc finish which provides an element of corrosion resistance which makes them ideal for use in most indoor environments. They also feature a pozidriv head for maximum torque in installation.
Available in the following sizes;
278-821 is an M3 x 6mm SEMS screw
278-837 is an M3 x 12mm SEMS screw
278-865 is an M4 x 6mm SEMS screw
278-871 is an M4 x 12mm SEMS screw
278-916 is an M5 x 10mm SEMS screw
278-922 is an M5 x 16mm SEMS screw
278-950 is an M6 x 12mm SEMS screw
278-966 is an M6 x 16mm SEMS screw
278-972 is an M6 x 20mm SEMS screw
Features and Benefits
Screw with pozidriv head
Plain washer
Easier and quicker to install than separate screws and washers
Bright Zinc Finish
Applications
Used wherever conventional screw fasteners are needed, SEMS screws are ideal for optimized work environments due to being a pre-assembled washer and screw combination. They are designed with convenience in mind, saving you time and effort in installation. They might commonly be used in;
• Production environments
• Maintenance
• DIY Applications
What does SEM mean?
In this case, SEM is simply a shorthand way of saying 'pre-assembled.'
What is the advantage of a Pozidriv screw?
A Pozidriv screw is an improvement on the crosshead screw, or Phillips screw. Like the crosshead, the Pozidriv screw naturally centers the torque when a Pozidrive screwdriver is applied, meaning there is less resistance and more control when screwing and unscrewing. To lessen the chance of the driver slipping from the screw head, known as cam out, the Pozidriv screw is preferable even to the Phillips screw.
Why RS PRO?
RS PRO aims to be your go-to brand for reliability and value for money. We source great parts at great prices and test everything with our in-house experts to ensure the quality you need.
When it comes to tools, we know that versatility and dependability are what you need. As such, we stock a variety of mainstay and specialist tools to suit any application. Whether you're a professional electrician, plumber, builder or DIY enthusiast, RS PRO is here to support you.
Specifications
| Attribute | Value |
| Brand | RS PRO |
| Finish | Bright Zinc Plated |
| Length | 12 mm |
| Material | Steel |
| Head Shape | Pan |
| Thread Size | M3 |
| Washer Type | Plain |
| Drive Type | Pozidriv |
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