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JW WINCO Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, 1/4"-20 Thread - Knurled Knobs with Threaded Stud
JW WINCOKnurled Knobs with Threaded Stud

JW WINCO Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, 1/4"-20 Thread

The JW WINCO Knurled Screws are knurled hand knobs with threaded stud, featuring a black plastic body with a steel thread. They have a 1/4"-20 thread size and a 1-inch thread length (MPN 421-1/4X20-1.000).

SKU 3G-OTH-514789

Brand
JW WINCO
Item
Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, 1/4"-20 Thread
Category
Knurled Knobs with Threaded Stud
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Technical Specifications

JW WINCO
Manufacturer Part Number
421-1/4X20-1.000
Type
Plastic w/ Steel Thread
Color
Black
Thread
1/4"-20
Thread Lg
1 in
Knurled Hand Knobs
Knurled
View Full Spec Sheet

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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 thread. They have a 1/4"-20 thread size and a 1-inch thread length (MPN 421-1/4X20-1.000).

Frequently Asked Questions

What are JW WINCO knurled screws used for?

JW WINCO knurled screws serve as hand-adjustable fasteners for jigs, fixtures, and machinery guards. Their knurled plastic body provides a secure grip without tools, while the steel thread ensures durable engagement in tapped holes or with nuts.

What are the specifications of JW WINCO knurled hand knobs?

The JW WINCO knurled hand knob (MPN 421-1/4X20-1.000) has a black plastic body with a steel thread. It features a 1/4"-20 thread size and a 1-inch thread length. The knurled surface allows hand tightening in industrial adjustment applications.

Where to buy JW WINCO knurled screws worldwide?

3G Electric supplies JW WINCO knurled screws worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial sourcing partner, we provide genuine parts like the 421-1/4X20-1.000 knurled hand knob with threaded stud.

How to install JW WINCO knurled hand knobs?

Install JW WINCO knurled hand knobs by threading the steel stud into a matching 1/4"-20 tapped hole or nut. Tighten by hand using the knurled plastic grip. Avoid over-torquing to prevent stripping the threads or damaging 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 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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