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JW WINCO Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, M4 Thread - Knurled Knobs with Threaded Stud
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 30 mm thread length (MPN 421-M4-30). These knobs provide a textured grip for manual…

SKU 3G-OTH-514786

Brand
JW WINCO
Item
Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, M4 Thread
Category
Knurled Knobs with Threaded Stud
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Technical Specifications

JW WINCO
Manufacturer Part Number
421-M4-30
Type
Plastic w/ Steel Thread, M4 Thread
Color
Black
Thread Lg
30 mm
Knurled Hand Knobs
Knurled
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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 M4 thread and a 30 mm thread length (MPN 421-M4-30). These knobs provide a textured grip for manual adjustment and fastening applications.

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-M4-30) are hand knobs with a threaded stud for manual adjustment and fastening. The black plastic body with steel M4 thread provides a textured grip, ideal for tool-less clamping, positioning, or securing components in industrial machinery and assembly applications.

What are the specifications of JW WINCO knurled hand knobs?

The JW WINCO knurled hand knob (MPN 421-M4-30) features a black plastic body with a steel M4 thread and 30 mm thread length. It is a knurled, threaded-stud design for manual tightening. 3G Electric supplies this part across 14 industrial departments, including machining and assembly.

Where to buy JW WINCO knurled screws worldwide?

3G Electric supplies JW WINCO knurled screws (MPN 421-M4-30) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver these knurled hand knobs to your facility. Contact us for availability and lead time on this M4 threaded stud knob.

How to install JW WINCO knurled hand knobs?

Install JW WINCO knurled hand knobs by hand-turning the threaded stud into a matching M4 tapped hole or nut. The knurled plastic body provides a secure grip for tool-less tightening. Avoid over-torquing to prevent damage to the plastic knob. 3G Electric can advise on proper selection for your application.

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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