JW WINCOKnurled Knobs with Threaded Stud

JW WINCO Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, M4 Thread

The JW WINCO Knurled Screws are knurled hand knobs with threaded stud, featuring a black plastic body with a steel M4 thread and a 15 mm thread length (MPN 421-M4-15). These knobs provide a textured grip for manual…

SKU 3G-OTH-514718

Brand

JW WINCO

Item

Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, M4 Thread

Technical Specifications

JW WINCO

Manufacturer Part Number

421-M4-15 

Type

Plastic w/ Steel Thread, M4 Thread 

Color

Black 

Thread Lg

15 mm 

Knurled Hand Knobs

Knurled 

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 are JW WINCO knurled screws used for?

JW WINCO knurled screws (MPN 421-M4-15) are used for manual adjustment and fastening in industrial equipment, jigs, fixtures, and control panels. The textured plastic knob provides a secure grip for hand-tightening without tools, while the steel M4 threaded stud ensures reliable clamping in assembly and maintenance tasks.

What are the specifications of JW WINCO knurled hand knobs?

The JW WINCO knurled hand knob (MPN 421-M4-15) has a black plastic body with a steel M4 thread, 15 mm thread length, and a knurled grip surface. It is designed for manual fastening and adjustment in light-duty industrial applications. The steel thread provides durability while the plastic knob offers comfortable handling.

Where to buy JW WINCO knurled screws worldwide?

3G Electric supplies JW WINCO knurled screws (MPN 421-M4-15) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this item and other industrial fastening components.

How to install JW WINCO knurled hand knobs?

To install JW WINCO knurled hand knobs, simply thread the M4 stud into a matching tapped hole or nut until snug. The knurled plastic body allows hand-tightening without tools. Avoid over-torquing to prevent damage to the plastic knob. For permanent installations, apply thread-locking compound as needed.

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 knurled 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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