JW WINCO7-Arm Knobs with Threaded Stud

JW WINCO Hand Knobs; Star Knobs: 7 Point, Plastic w/ Steel Thread, M8 Thread

The JW WINCO Hand Knob is a 7-arm knob with threaded stud, featuring a plastic body with steel thread and an M8 thread size. It has a 25 mm thread length and is identified by manufacturer part number 6336.4-ST-40-M8-25.

SKU 3G-OTH-532220

Brand

JW WINCO

Item

Hand Knobs; Star Knobs: 7 Point, Plastic w/ Steel Thread, M8 Thread

Technical Specifications

JW WINCO

Manufacturer Part Number

6336.4-ST-40-M8-25 

Type

Plastic w/ Steel Thread, M8 Thread 

Thread Lg

25 mm 

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

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 easy tightening without tools, common in industrial workholding and positioning applications.

What are the specifications of the JW WINCO 6336.4-ST-40-M8-25 hand knob?

This JW WINCO hand knob has a 7-point star design with a plastic body and steel thread insert. It features an M8 thread size with a 25 mm thread length. The manufacturer part number is 6336.4-ST-40-M8-25.

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 sourcing partner, we provide genuine parts like the 6336.4-ST-40-M8-25 to customers across 14 departments, including machining and material handling.

How to install a JW WINCO threaded stud hand knob?

To install a JW WINCO hand knob with threaded stud, simply screw the M8 stud into a matching threaded hole or nut on your equipment. Tighten by hand using the 7-arm grip until secure. Avoid over-torquing to prevent damage to the plastic body or steel thread.

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.

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