JW WINCO Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, M5 Thread
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
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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 WINCOJW 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.









