JW WINCOKnurled Knobs with Threaded Stud

JW WINCO Knurled Hand Knob with Threaded Stud

The JW WINCO Knurled Screws are knurled hand knobs with threaded stud, featuring a black plastic body with a steel M5 thread and a 15 mm thread length (MPN 421-M5-15).

SKU 3G-OTH-514796

Also listed as: 421M515 · 421 M5 15

Brand

JW WINCO

Item

Knurled Hand Knob with Threaded Stud

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JW WINCO

Manufacturer Part Number

421-M5-15 

Type

Plastic w/ Steel Thread, M5 Thread 

Color

Black 

Thread Lg

15 mm 

Knurled Hand Knobs

Knurled 

Technical Documents

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JW WINCO Knurled Screws are knurled hand knobs with threaded stud, featuring a black plastic body with a steel M5 thread and a 15 mm thread length (MPN 421-M5-15).

Frequently Asked Questions

What are JW WINCO Knurled Screws used for?

JW WINCO Knurled Screws are hand-operated fasteners for tooling, jigs, and fixtures where frequent adjustment or clamping is needed. The knurled plastic body provides a comfortable grip, while the steel M5 threaded stud delivers secure positioning in assembly and maintenance applications across industrial departments.

What are the specifications of JW WINCO 421-M5-15?

The JW WINCO 421-M5-15 is a knurled hand knob with a black plastic body and a steel M5 thread. It has a 15 mm thread length and is designed for manual tightening. The knurled surface improves grip without tools, making it suitable for quick adjustments in machinery and equipment.

Where to buy JW WINCO Knurled Screws worldwide?

3G Electric supplies JW WINCO Knurled Screws worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the 421-M5-15 or other knurled hand knobs for your application.

How to install JW WINCO Knurled Hand Knobs?

Install JW WINCO Knurled Hand Knobs by threading the M5 stud into a matching tapped hole or nut. Tighten by hand using the knurled plastic body—no tools required. Ensure the thread length (15 mm) is sufficient for the material thickness. Avoid over-tightening to prevent damage to the plastic knob.

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.

Browse all JW WINCO products →Contact our engineers →