JW WINCO7-Arm Knobs with Threaded Stud

JW WINCO Hand Knobs; Star Knobs: 7 Point, Plastic w/ Steel Thread, 5/16"-18 Thread

The JW WINCO Hand Knob is a 7-arm knob with a threaded stud, featuring a 1.57 in diameter plastic body with steel thread. It has a 5/16"-18 thread size and a 7-point star design (MPN 6336.4-ST-40-5/16X18-48).

SKU 3G-OTH-532319

Brand

JW WINCO

Item

Hand Knobs; Star Knobs: 7 Point, Plastic w/ Steel Thread, 5/16"-18 Thread

Technical Specifications

JW WINCO

Manufacturer Part Number

6336.4-ST-40-5/16X18-48 

Type

Plastic w/ Steel Thread 

Dia

1.57 in 

Thread

5/16"-18 

Star Knobs

7 Point 

View Full Spec Sheet

Technical Documents

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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 hand knob used for?

A JW WINCO 7-arm hand knob provides manual adjustment and clamping on machinery, jigs, and fixtures. Its star-shaped design offers multiple grip points for secure turning without tools, common in industrial equipment, workholding, and assembly operations.

What are the specifications of the JW WINCO 6336.4-ST-40-5/16X18-48 hand knob?

This JW WINCO hand knob has a 1.57 in diameter plastic body with a steel threaded stud. It features a 7-point star design and a 5/16"-18 thread size. The manufacturer part number is 6336.4-ST-40-5/16X18-48.

Where to buy JW WINCO hand knobs worldwide?

3G Electric supplies JW WINCO hand knobs to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote on the 6336.4-ST-40-5/16X18-48 or other JW WINCO knob configurations.

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

Select a JW WINCO hand knob by matching the thread size (e.g., 5/16"-18) and stud length to your mating component. Consider the knob diameter for grip comfort and the number of points for torque requirements. Plastic bodies suit light-duty adjustments; steel threads provide durable engagement.

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 →