JW WINCO4-Arm Knobs with Threaded Stud

JW WINCO Hand Knobs; 4-Prong Knobs: Plastic w/ SS Thread, M8 Thread

The JW WINCO 4-Arm Knob with Threaded Stud (MPN 8N20SA1/ST) is a plastic hand knob with a stainless steel M8 thread and 40 mm diameter. 3G Electric sources this and other industrial components across 14 departments…

SKU 3G-OTH-530615

Brand

JW WINCO

Item

Hand Knobs; 4-Prong Knobs: Plastic w/ SS Thread, M8 Thread

Technical Specifications

JW WINCO

Manufacturer Part Number

8N20SA1/ST 

Type

M8 Thread 

Dia

40 mm 

View Full Spec Sheet

Technical Documents

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is a JW WINCO 4-Arm Knob with Threaded Stud used for?

This JW WINCO hand knob is used for manual adjustment and clamping on industrial machinery, jigs, and fixtures. Its 40 mm diameter and M8 stainless steel thread provide a secure, corrosion-resistant grip for frequent repositioning in manufacturing and assembly applications.

What are the specifications of the JW WINCO 8N20SA1/ST hand knob?

The JW WINCO 8N20SA1/ST is a 4-arm plastic hand knob with a stainless steel M8 threaded stud and 40 mm diameter. It is designed for manual tightening and loosening in equipment where corrosion resistance and a firm grip are required.

Where to buy JW WINCO hand knobs worldwide?

3G Electric supplies JW WINCO hand knobs like the 8N20SA1/ST to customers worldwide. We handle full logistics and customs clearance, sourcing across 14 industrial departments including combustion, pumps, and controls. Contact us for availability and delivery to your location.

How to install a JW WINCO 4-arm knob with threaded stud?

To install, simply thread the M8 stud into a matching tapped hole or nut on your equipment. Tighten by hand until secure; avoid over-torquing to prevent damage to the plastic knob. The stainless steel thread resists galling in frequent-use applications.

Used in

Common applications for JW WINCO

Machinery assembly — JW WINCO self-locking bearing locknuts (e.g., 1804.1-M50X1.5) for securing bearings on shafts in gearboxes and conveyors.

Fixture building — JW WINCO horizontal U-latch toggle clamps (e.g., 851.3-700-T6) for quick clamping in welding jigs and assembly fixtures.

Material handling — JW WINCO quick-release hoist rings (e.g., 1135-M12-17-ST) for lifting heavy components in manufacturing cells.

Shaft positioning — JW WINCO one-piece shaft collars (e.g., 5WG46/A) for retaining bearings or acting as stops on linear motion systems.

Linkage systems — JW WINCO stainless steel clevis rod ends (e.g., 8NXBIS) for connecting pneumatic cylinders or actuators in automated equipment.

Clamping arm extension — JW WINCO rigid clamping arm extenders (e.g., 801.1-85-16-ST) for increasing reach on toggle clamps in custom fixtures.

JW WINCO Products

3G Electric supplies JW WINCO 4-arm knobs with threaded stud. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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