JW WINCOKnurled Knobs with Threaded Stud

JW WINCO Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, M8 Thread

SKU 3G-OTH-514736

Brand

JW WINCO

Item

Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, M8 Thread

Technical Specifications

JW WINCO

Manufacturer Part Number

421-M8-25 

Type

Plastic w/ Steel Thread, M8 Thread 

Color

Black 

Thread Lg

25 mm 

Knurled Hand Knobs

Knurled 

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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 steel M8 thread and a 25 mm thread length (MPN 421-M8-25). 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands including Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

What are JW WINCO knurled screws used for?

JW WINCO knurled screws are hand-operated fasteners for tool-less adjustment and clamping in industrial machinery, jigs, and fixtures. The knurled plastic body provides a secure grip, while the steel M8 threaded stud enables firm attachment. 3G Electric supplies these across 14 industrial departments worldwide.

What are the specifications of JW WINCO 421-M8-25 knurled hand knobs?

The JW WINCO 421-M8-25 knurled hand knob has a black plastic body with a steel M8 thread and a 25 mm thread length. It is a knurled, threaded-stud type knob. 3G Electric sources genuine JW WINCO parts alongside brands like Schneider, ABB, and SKF for global delivery.

Where to buy JW WINCO knurled screws in worldwide?

3G Electric supplies JW WINCO knurled screws worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we interpret your demand and deliver genuine parts like the 421-M8-25 to any location. Contact us for availability and lead time.

How to install JW WINCO knurled hand knobs?

Install JW WINCO knurled hand knobs by threading the M8 stud into a matching tapped hole or nut. Tighten by hand using the knurled grip; avoid tools to prevent over-torquing the plastic body. 3G Electric provides genuine parts and application support for industrial fastening needs.

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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