RS PRO Black Thermoplastic Male Offset Wing Clamping Knob, Threaded Stud, M5 x 20 mm, 35 mm Diameter 478-488

The RS PRO 478-488 Black Thermoplastic Male Offset Wing Clamping Knob is designed for robust and ergonomic performance in industrial and mechanical hardware applications. Constructed from durable Nylon Polyamide 6, this handwheel knob ensures high impact resistance and a long service lifecycle, ideally suited for both frequent adjustments and stationary mounting requirements. Its offset wing design provides improved leverage and user comfort, making it ideal for manual clamping, tightening, or adjusting operations where precision and ease of use are essential.

This model comes equipped with a 20 mm long M5 zinc-plated steel threaded stud, delivering strong attachment capacity and compatibility with a wide range of panels, frames, and equipment. The 35 mm knob diameter is tailored for secure and comfortable hand grip, reducing hand fatigue during repetitive use. The matte black thermoplastic surface is resistant to weak acids and chlorinated hydrocarbons, safeguarding against chemical exposure in various industrial settings.

With a working temperature range from -30°C to +85°C and a melting point of +215°C, the RS PRO 478-488 is suitable for use in environments with fluctuating temperatures. Applications include industrial machinery, removable or adjustable panels, audio and visual equipment, tripods, and temporary furniture. Its male offset wing configuration ensures reliable torque application and easy installation or removal by hand without the necessity for additional tools.

This clamping knob’s nylon body ensures resistance to wear and accidental impacts, while the zinc-plated steel stud provides long-lasting thread integrity. The ergonomic offset design is especially useful when hand clearance or leverage is required in restricted spaces. Its construction allows it to withstand daily use in construction, manufacturing, equipment assembly, and repair operations.

The RS PRO 478-488 is widely applicable in industrial, laboratory, and commercial environments, strengthening adjustable connections where durability, ease of use, and secure fastening are critical. Whether securing panels, mounting accessories, or providing repeated operation in assembly jigs and fixtures, this knob reliably meets the demands of professional users.

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