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-SK-40-M8-25.

SKU 3G-OTH-532221

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-SK-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 a secure, ergonomic grip for manual adjustment, clamping, or positioning on machinery and industrial equipment. Its M8 threaded stud allows quick tool-less tightening in jigs, fixtures, and assembly stations across manufacturing and maintenance environments.

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

This JW WINCO hand knob is a 7-point star knob with a plastic body and steel thread insert. It has an M8 thread size and a 25 mm thread length. The manufacturer part number is 6336.4-SK-40-M8-25, and it is designed for manual clamping and positioning applications.

Where to buy JW WINCO hand knobs worldwide?

3G Electric supplies JW WINCO hand knobs worldwide, handling full logistics and customs clearance for international orders. As a global industrial sourcing partner, we provide genuine JW WINCO parts like the 6336.4-SK-40-M8-25 to customers in any country. Contact us for a quote and delivery options.

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 until secure; no tools are required. For repeated adjustments, ensure the mating threads are clean and lubricated to prevent wear on the plastic body.

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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