JW WINCO7-Arm Knobs with Swivel Thrust Pad & Threaded Stud

JW WINCO Plastic Hand Knob w/ Stainless Steel Stud w/ Swivel Thrust Pad: 7 Point

The JW WINCO Plastic Hand Knob with Stainless Steel Stud and Swivel Thrust Pad is a 7-Arm Knob with Swivel Thrust Pad & Threaded Stud, featuring a 7-point thrust pad and an M8 thread. It has a pad base diameter of 21…

SKU 3G-OTH-540051

Brand

JW WINCO

Item

Plastic Hand Knob w/ Stainless Steel Stud w/ Swivel Thrust Pad: 7 Point

Technical Specifications

JW WINCO

Manufacturer Part Number

6336.12-40-M8-50-21 

Type

M8 Thread 

Thrust Pad

7 Point 

Pad Base Diameter

21 mm 

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 the JW WINCO Plastic Hand Knob with Swivel Thrust Pad used for?

This 7-arm knob with swivel thrust pad is used for manual clamping, positioning, and adjustment in industrial machinery and fixtures. The M8 threaded stud and 21 mm pad base provide secure, repeatable force application without marring surfaces.

What are the specifications of the JW WINCO 6336.12-40-M8-50-21?

The JW WINCO 6336.12-40-M8-50-21 is a plastic hand knob with a stainless steel stud and a 7-point swivel thrust pad. It has an M8 thread and a pad base diameter of 21 mm. The 7-arm design offers ergonomic grip for manual tightening.

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 JW WINCO parts like the 6336.12-40-M8-50-21 with M8 thread and 21 mm pad base to any destination.

How to install a JW WINCO swivel thrust pad knob?

Install the JW WINCO knob by threading the M8 stud into a matching tapped hole or nut. Tighten by hand using the 7-arm grip until the swivel thrust pad contacts the workpiece. The pad rotates to prevent surface damage during clamping. Avoid over-torquing.

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 swivel thrust pad & 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 →