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JW WINCO 7-Arm Knob with Threaded Hole, Plastic w/ Steel Thread, M8, 50 mm Dia - 7-Arm Knobs with Threaded Hole
JW WINCO7-Arm Knobs with Threaded Hole

JW WINCO 7-Arm Knob with Threaded Hole, Plastic w/ Steel Thread, M8, 50 mm Dia

The JW WINCO Plastic Hand Knobs with Steel Hub: 7 Point is a 7-arm knob with a threaded hole, featuring a 50 mm diameter and a plastic body with a steel M8 thread (MPN 8NC91/E). This OEM component provides a durable…

SKU 3G-OTH-524845

Also listed as: 8NC91E · 8NC91 E · 8NC91-E

Brand
JW WINCO
Item
7-Arm Knob with Threaded Hole, Plastic w/ Steel Thread, M8, 50 mm Dia
Part Number
8NC91/E
Category
7-Arm Knobs with Threaded Hole
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Technical Specifications

JW WINCO
Manufacturer Part Number
8NC91/E
Type
Plastic w/ Steel Thread, M8 Thread
Dia
50 mm

Technical Documents

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JW WINCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JW WINCO Plastic Hand Knobs with Steel Hub: 7 Point is a 7-arm knob with a threaded hole, featuring a 50 mm diameter and a plastic body with a steel M8 thread (MPN 8NC91/E). This OEM component provides a durable, ergonomic grip for manual adjustment and clamping applications across industrial equipment.

Frequently Asked Questions

What is a JW WINCO plastic hand knob with steel hub used for?

A JW WINCO plastic hand knob with steel hub is used for manual adjustment, clamping, and positioning on industrial machinery. Its 7-arm design provides a secure, ergonomic grip for operators, making it ideal for machine tools, assembly fixtures, and equipment where frequent hand tightening is required.

What are the specifications of the JW WINCO 8NC91/E hand knob?

The JW WINCO 8NC91/E hand knob has a 50 mm diameter, a plastic body with a steel M8 threaded hub, and a 7-point (7-arm) design. It is a threaded-hole type knob, suitable for manual clamping and adjustment applications in industrial settings.

Where to buy JW WINCO hand knobs worldwide?

3G Electric supplies JW WINCO hand knobs worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine OEM components like the 8NC91/E plastic hand knob with steel M8 thread, ensuring you get the right part for your application.

How to install a JW WINCO plastic hand knob with steel hub?

To install a JW WINCO plastic hand knob with steel hub, simply thread the M8 steel insert onto a matching male stud or bolt. Tighten by hand until secure; avoid over-torquing to prevent damage to the plastic body. The knob is designed for manual operation and should not be used with tools.

Used in

Common applications for JW WINCO
Hydraulic power units — JW Winco filter breather vents (e.g., SKU 912HX4) with 3/4" SAE thread and 10-micron filtration for air exchange on reservoirs.
Gearbox and compressor mounting — JW Winco cylindrical vibration-isolating mounts (e.g., SKU 802C02) with 55A durometer natural rubber to reduce transmitted vibration.
Industrial machinery adjustment — JW Winco knurled knobs (e.g., SKU 822Y21) with M6 steel thread insert for manual clamping and positioning on jigs and fixtures.
Fluid drainage in reservoirs — JW Winco fluid drain valves (e.g., SKU 912HP9) with M16x1.5 mounting thread and tethered cap for controlled draining of hydraulic tanks.
Corrosive environment fastening — JW Winco stainless steel wing knobs (e.g., SKU 822W63) with 1/4"-20 threaded hole for frequent manual adjustment in wet or chemical-exposed areas.
Metric and inch thread applications — JW Winco knurled knobs (e.g., SKU 822Y18) with 3/8"-16 thread for equipment requiring inch-based manual fastening.
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JW WINCO Products

3G Electric supplies JW WINCO 7-arm knobs with threaded hole. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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