JW WINCO7-Arm Knobs with Threaded Stud

JW WINCO Hand Knobs; Star Knobs: 7 Point, Plastic w/ Steel Thread, 3/8"-16 Thread

The JW WINCO Hand Knob is a 7-arm star knob with a threaded stud, featuring a plastic body with a steel thread insert. It has a 3/8"-16 thread size and a 1.57-inch thread length (MPN 6336.4-ST-50-3/8X16-40).

SKU 3G-OTH-532173

Brand

JW WINCO

Item

Hand Knobs; Star Knobs: 7 Point, Plastic w/ Steel Thread, 3/8"-16 Thread

Technical Specifications

JW WINCO

Manufacturer Part Number

6336.4-ST-50-3/8X16-40 

Type

Plastic w/ Steel Thread 

Thread

3/8"-16 

Thread Lg

1.57 in 

Star Knobs

7 Point 

View Full Spec Sheet

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a JW WINCO 7-arm star knob used for?

A JW WINCO 7-arm star knob provides a secure, ergonomic grip for manual adjustment and clamping on industrial machinery, jigs, and fixtures. Its plastic body with steel thread insert resists corrosion while the 3/8"-16 threaded stud enables quick tool-less positioning.

What are the specifications of the JW WINCO 6336.4-ST-50-3/8X16-40 hand knob?

This JW WINCO hand knob is a 7-point star knob with a plastic body and steel thread insert. It has a 3/8"-16 thread size and a 1.57-inch thread length. The manufacturer part number is 6336.4-ST-50-3/8X16-40.

Where to buy JW WINCO hand knobs worldwide?

3G Electric supplies JW WINCO hand knobs worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine JW WINCO parts like the 6336.4-ST-50-3/8X16-40 to any international destination.

How to select the right JW WINCO star knob for an application?

To select the correct JW WINCO star knob, match the thread size (e.g., 3/8"-16) and thread length (e.g., 1.57 in) to your mating component. Consider the required grip points—7-arm designs offer balanced torque. Verify the plastic body and steel insert suit your environment.

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 7-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 →