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 8N40SA1/ST) is a plastic hand knob with a stainless steel M8 thread, 40 mm diameter. 3G Electric interprets customer demand and delivers this genuine industrial…

SKU 3G-OTH-530616

Brand

JW WINCO

Item

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

Technical Specifications

JW WINCO

Manufacturer Part Number

8N40SA1/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 the JW WINCO 4-Arm Knob with Threaded Stud used for?

The JW WINCO 4-Arm Knob with Threaded Stud (MPN 8N40SA1/ST) is used for manual clamping, adjustment, and positioning on machinery, fixtures, and industrial equipment. Its plastic body with stainless steel M8 thread provides corrosion resistance and a secure grip in assembly and maintenance applications.

What are the specifications of the JW WINCO 8N40SA1/ST hand knob?

The JW WINCO 8N40SA1/ST hand knob has a 40 mm diameter, an M8 threaded stud made of stainless steel, and a plastic 4-prong body. It is a 4-arm knob designed for manual operation in industrial settings. 3G Electric supplies this genuine JW WINCO component globally.

Where to buy JW WINCO hand knobs worldwide?

3G Electric supplies the JW WINCO 4-Arm Knob with Threaded Stud (MPN 8N40SA1/ST) to customers worldwide. We handle full logistics, customs clearance, and delivery for this genuine industrial component. Contact 3G Electric to order and arrange shipment to your location.

How to install a JW WINCO 4-prong knob with M8 thread?

To install the JW WINCO 4-prong knob, simply thread the M8 stainless steel stud into a matching M8 tapped hole or nut on your equipment. Tighten by hand until secure; avoid over-torquing to prevent damage to the plastic body. For precise positioning, use the four arms for leverage.

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.

Browse all JW WINCO products →Contact our engineers →