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RS PRO Black Styrenic Thermoplastic Elastomer Polypropylene Multiple Lobes Clamping Knob M6 Threaded Stud 188-3449
Specifications
| Country of Origin | China |
|---|---|
| Brand | RS PRO |
| Colour | Black |
| Body Material | Styrenic Thermoplastic Elastomer, Polypropylene |
| Model | 188-3449 |
| Mount Type | Threaded Stud |
| Tensile Strength | 11MPa |
| Density | 1160kg/m³ |
| Thread Size | M6 |
| Elongation at Break | 470% |
| Thread Length | 15mm |
| Electrical Resistivity | 8 x 10^15ohm.cm |
| Insert Material | Zinc Plated Steel |
| Standards/Approvals | HB (1.5mm)UL94 |
| Water Absorption | 0.05% |
| Knob Shape | Multiple Lobes |
| Knob Diameter | 28 mm |
| Tear strength | 30kN/m |
| Abrasion | 190mm³ |
| Moulding shrinkage | 1.8% |
Key Features
- The knob features a black styrenic thermoplastic elastomer and polypropylene two-part moulded body.
- It has a 28 mm diameter knob with multiple lobes for enhanced grip.
- The threaded stud is M6 with a 15 mm thread length made from zinc-plated steel.
- The knob is flame retardant with UL 94 HB (1.5 mm) approval ensuring safety.
- It offers excellent tensile strength of 11 MPa and tear strength of 30 kN/m.
- Electrical resistivity is high at 8 x 10^15 ohm.cm supporting electrical insulation.
- The material density is 1160 kg/m³ with low water absorption of 0.05%.
- Abrasion resistance rated at 190 mm³ and elongation at break of 470% ensures durability.
Product Description
RS PRO 188-3449 is a premium quality multiple lobes clamping knob, combining black styrenic thermoplastic elastomer and polypropylene materials to provide a soft-touch yet durable surface. It is engineered specifically for industrial and mechanical usage where precise manual clamping or adjustments are essential.
This M6 threaded stud knob features a 28 mm diameter, making it suitable for ergonomic grip and effective torque application. The zinc-plated steel insert provides strength and corrosion resistance for the threaded connection.
The component is UL94 HB (1.5 mm) flame retardant certified, adding a layer of safety for electrical and mechanical applications. Its high tensile strength of 11 MPa and tear strength of 30 kN/m ensure robust performance under stress.
Exceptional electrical resistivity (8 x 10^15 ohm.cm) makes it suitable for environments requiring electrical insulation. The low water absorption (0.05%) and abrasion resistance enhance the knob's longevity, even in demanding conditions. The density of 1160 kg/m³ and elongation at break of 470% indicate a resilient and flexible material composition.
These properties make the RS PRO 188-3449 clamping knob an excellent choice for use in industrial tools, mechanical adjustments, laboratory instruments, and fluid power equipment. It combines functional design with safety and durability for diverse engineering applications.
The knob body is a two-part moulding of polypropylene inner and styrenic thermoplastic elastomer outer. The threaded stud is zinc-plated steel for strength and corrosion resistance. It has multiple lobes for ergonomic clamping.
Flame retardant and UL 94 certified for safety compliance. This product is made in China and is supplied new. Suitable industries include manufacturing, mechanical engineering, industrial maintenance, and laboratory setups.
Explore more Clamping Knobs and hand tools from RS PRO in the Industrial Tools & Equipment category on EnvMart for reliable quality solutions.
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Frequently Asked Questions
The clamping knob has a diameter of 28 mm.
The threaded stud has an M6 thread size and a length of 15 mm.
The knob is made from a combination of black styrenic thermoplastic elastomer and polypropylene for the body, while the threaded stud is made from zinc-plated steel.
It has a tensile strength of 11 MPa.
The knob is flame retardant and has UL 94 HB (1.5 mm) approval, ensuring compliance with safety standards.
The electrical resistivity is high at 8 x 10^15 ohm.cm, making it suitable for electrical insulation applications.
The density of the knob is 1160 kg/m³, but the specific weight is not provided in the specifications.
The elongation at break is 470%.
The abrasion resistance is rated at 190 mm³.
This model is suitable for use in manufacturing, mechanical engineering, industrial maintenance, and laboratory setups.
The water absorption rate is low at 0.05%.
The knob features a multiple lobes shape which enhances grip for ergonomic clamping.
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