RS PRO Black Ball Clamping Knob, M8
- RS Stock No.:
- 7027780
- 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 | 7027780 |
| Product description | RS PRO Black Ball Clamping Knob, M8 |
| 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 | 7027780 |
| Product description | RS PRO Black Ball Clamping Knob, M8 |
| Manufacturer / Brand | RS PRO |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 22, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: CN
Product Details
RS PRO Black Thermoplastic Female Ball Knobs
Knobs are used in a wide variety of applications in our day-to-day lives and perform many functions, from being used as fixed handles to being used to tighten, loosen, adjust, clamp and push other components or pieces of equipment. They are used in various applications, from industrial and construction machinery to audio and visual equipment.
Ball knobs are often used finishing elements on furniture and general appliances, as well as to provide a grip/comfort point on levers and handles. The knobs are fitted with either a protruding screw (male), a threaded insert (female) or through threads depending on the requirements of the application.
These female knobs are made from high-impact-resistant thermoplastic, which is lightweight yet durable and strong, making it ideal for use in a wide variety of light/medium-duty applications.
Female knobs: M4 (RS 7027796), M5 (RS 7027790), M6 (RS 7027787), M8 (RS 7027800), M8 (RS 7027780), M10 (RS 7027784), M12 (RS 7027793).
Features & Benefits
- High-impact-resistant thermoplastic
- Moulded threads
- Resistant to most chemicals, oils and grease
- Matte Black
- Temperature rating -20 to + 110°C
- No chipping or cracking
Applications
These ball knobs are used in a variety of applications, but are commonly used to ensure user comfort on the ends of levers and handles as well as being used in furniture, such as drawer and door handles:
- Levers & handles
- Furniture
- Appliances
- Tools
- Machine jigs
Specifications
| Attribute | Value |
| Brand | RS PRO |
| Thread | M8 |
| Thread Diameter | 8 mm |
| Knob Diameter | 38 mm |
| Mounting Type | Threaded Hole |
| Colour | Black |
| Knob Shape | Ball |
