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RS PRO Black Two Part Mouldings Inner Moulding Polypropylene Over Moulded with Soft Touch Thermoplastic Elastomer 188-3441

Category Clamping Knobs Brand RS PRO Condition New

Specifications

Country of Origin China
Brand RS PRO
Colour Black
Model 188-3441
Mount Type Threaded Through Hole
Tensile Strength 11MPa
Density 1160kg/m³
Thread Size M6
Elongation at Break 470%
Electrical Resistivity 8 x 10^15ohm.cm
Insert Material Brass
Standards/Approvals UL94, HB (1.5mm)
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 diameter is 40 mm providing ergonomic grip and handling.
  • Constructed with two part mouldings featuring a polypropylene inner moulding.
  • Over moulded with a soft-touch thermoplastic elastomer for enhanced comfort.
  • The insert material is brass ensuring durability and corrosion resistance.
  • Complies with UL94 HB (1.5 mm) flame retardancy standard.
  • Offers tensile strength of 11 MPa and tear strength of 30 kN/m.
  • Density of 1160 kg/m³ and low water absorption of 0.05% for stability in moist environments.
  • Exhibits superior abrasion resistance with 190 mm³ volume loss.

Product Description

RS PRO 188-3441 is a black clamping knob designed for precision and comfort in mechanical and industrial applications. This knob features multiple lobes with a 40 mm diameter that enhances ergonomics for reliable grip in manual operations. The knob utilizes a two-part moulding construction; an inner polypropylene moulding combined with an over moulded layer of soft-touch thermoplastic elastomer (TPE-39), providing both durability and user-friendly tactile softness.

The female threaded insert is made of brass, resulting in superior wear resistance and long-lasting performance under repetitive use. This product conforms to the UL 94 HB flame retardant standard at 1.5 mm thickness, making it suitable for environments requiring fire safety compliance.

Technical attributes include tensile strength of 11 MPa, tear strength of 30 kN/m, and electrical resistivity of 8 x 10^15 ohm.cm. The knob’s density is 1160 kg/m³, ensuring a robust yet lightweight profile with negligible water absorption (0.05%). Abrasion resistance is rated at 190 mm³ indicating strong surface durability. Moulding shrinkage is monitored at 1.8%, maintaining dimensional consistency, and elongation at break is 470%, allowing flexibility without compromising structural integrity.

This clamping knob is suitable for various industrial, mechanical, and fluid power tool assembly applications where secure fastening and ease of adjustment are essential. The knob diameter is 40 mm providing ergonomic grip and handling.

Constructed with two-part mouldings featuring polypropylene and soft-touch thermoplastic elastomer. Brass female insert ensures durability and corrosion resistance. UL 94 HB flame retardant certified for safety. High tensile and tear strength for demanding applications.

RS PRO products deliver quality and reliability, suitable for professionals seeking engineered knobs for mechanical equipment. Explore further industrial hardware tools through EnvMart’s category listings.

Explore more products in our Clamping Knobs category.

RS PRO Black Two Part Mouldings Inner Moulding Polypropylene Over Moulded with Soft Touch Thermoplastic Elastomer 188-3441
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Frequently Asked Questions

The diameter of this clamping knob is 40 mm, providing an ergonomic grip and handling.

It features a polypropylene inner moulding and is over moulded with a soft-touch thermoplastic elastomer for enhanced comfort. The insert material is brass, ensuring durability and corrosion resistance.

The tensile strength of this clamping knob is 11 MPa, making it suitable for demanding applications.

The tear strength of this model is 30 kN/m, indicating its ability to withstand significant stress without tearing.

The electrical resistivity is 8 x 10^15 ohm.cm, and it has a low water absorption rate of 0.05%, ensuring stability in moist environments.

Yes, it complies with the UL 94 HB flame retardant standard at a thickness of 1.5 mm, making it suitable for environments requiring fire safety compliance.

The knob is designed for a threaded through hole mounting type, facilitating easy installation.

The elongation at break is 470%, allowing flexibility without compromising structural integrity.

The density of this knob is 1160 kg/m³, ensuring a robust yet lightweight profile.

The abrasion resistance is rated at 190 mm³ volume loss, indicating strong surface durability.

This clamping knob is manufactured in China.

The knob has a multiple lobes shape, enhancing ergonomics for reliable grip during manual operations.

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