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RS PRO Black Polypropylene Multiple Lobes Clamping Knob, M6 Thread Size, 25mm Thread Length, Zinc Plated Steel 188-3451
Specifications
| Country of Origin | China |
|---|---|
| Brand | RS PRO |
| Colour | Black |
| Body Material | Polypropylene |
| Model | 188-3451 |
| Mount Type | Threaded Stud |
| Tensile Strength | 11MPa |
| Density | 1160kg/m³ |
| Thread Size | M6 |
| Elongation at Break | 470% |
| Thread Length | 25mm |
| 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 | 40 mm |
| Tear strength | 30kN/m |
| Abrasion | 190mm³ |
| Moulding shrinkage | 1.8% |
Key Features
- The knob features a multiple lobes shape for enhanced grip and control.
- Constructed with a polypropylene body and a zinc-plated steel threaded insert for durability.
- Knob diameter measures 40 mm, providing comfortable handling.
- Black color with soft-touch TPE-39 elastomer overmoulding for user comfort.
- Meets HB (1.5mm) UL94 flame retardant standard for safety.
- Offers high tensile strength of 11 MPa and excellent tear strength of 30 kN/m.
- Resistant to water absorption with only 0.05% uptake, ensuring dimensional stability.
- Electrical resistivity of 8 x 10^15 ohm.cm provides insulating properties.
Product Description
RS PRO 188-3451 black polypropylene multiple lobes clamping knob with M6 thread size and 25mm threaded stud length is designed for secure clamping in industrial, mechanical, and manufacturing applications.
Featuring a multiple lobes knob shape with a diameter of 40 mm, it offers excellent ergonomics and torque transmission. The knob’s body is made of durable polypropylene with a soft-touch TPE-39 styrenic thermoplastic elastomer overmoulding to enhance grip comfort and reduce operator fatigue.
The internal threaded stud is constructed from zinc-plated steel, providing robust mechanical strength and corrosion resistance. The product is certified to HB (1.5mm) UL94 flame retardant standards, making it suitable for use in environments where fire resistance is mandatory.
With a tensile strength of 11 MPa, tear strength of 30 kN/m, and electrical resistivity of 8 x 10^15 ohm.cm, this clamping knob performs reliably under mechanical and electrical stress conditions. It features excellent abrasion resistance (190 mm³), minimal water absorption (0.05%), and controlled moulding shrinkage of 1.8% for consistent quality and longevity.
This durable clamping knob is ideal for industrial and laboratory equipment, mechanical fixtures, jigs, and tooling where durable and ergonomic clamping solutions are required. The black color and quality materials ensure a professional appearance and dependable performance.
The knob’s multiple lobes are designed for enhanced grip and precise torque application. Polypropylene body and TPE overmoulding improve comfort and durability. Zinc-plated steel threaded stud ensures longevity and corrosion resistance.
Complies with flame retardant UL94 HB standards for safety regulations. Low water absorption maintains dimensional stability in humid conditions. High tensile and tear strengths support industrial clamping requirements. Electrical resistivity makes it suitable for electrical insulating applications.
Abrasion resistance extends service lifetime under repeated use. Precision moulding shrinkage ensures dimensional consistency during production. Explore the RS PRO category at EnvMart for a wide range of engineering materials and industrial hardware designed to enhance your manufacturing and assembly operations.
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Frequently Asked Questions
The clamping knob features an M6 thread size.
It has a polypropylene body and a zinc-plated steel threaded insert, providing durability and corrosion resistance.
The knob has a diameter of 40 mm, which enhances grip and control during use.
The threaded stud length is 25 mm, allowing for secure clamping in various applications.
This model has a tensile strength of 11 MPa and a tear strength of 30 kN/m, suitable for industrial clamping requirements.
Yes, it complies with the HB (1.5mm) UL94 flame retardant standards, making it suitable for environments where fire resistance is needed.
The electrical resistivity is 8 x 10^15 ohm.cm, providing insulating properties for electrical applications.
It has a minimal water absorption of only 0.05%, ensuring dimensional stability in humid conditions.
The abrasion resistance is rated at 190 mm³, which helps extend its service lifetime under repeated use.
The material exhibits an elongation at break of 470%, allowing for flexibility and durability under stress.
The moulding shrinkage is controlled at 1.8%, ensuring consistent quality and dimensional accuracy during production.
This clamping knob is manufactured in China.
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