JW WINCO Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, M6 Thread
The JW WINCO Knurled Screws are knurled hand knobs with threaded stud, featuring a black plastic body with a steel M6 thread and a 25 mm thread length (MPN 421-M6-25). These knobs provide a textured grip surface for…
SKU 3G-OTH-514797
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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 M6 thread and a 25 mm thread length (MPN 421-M6-25). These knobs provide a textured grip surface 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 are hand knobs with a threaded stud, used for manual adjustment and fastening in industrial equipment. The textured grip allows tool-free tightening, common in machinery guards, panel doors, and fixture clamps across machining, material handling, and assembly lines.
What are the specifications of JW WINCO 421-M6-25 knurled hand knobs?
The JW WINCO 421-M6-25 knurled hand knob has a black plastic body with a steel M6 thread and a 25 mm thread length. It is a knurled, threaded-stud type knob designed for manual grip and fastening. The manufacturer part number is 421-M6-25.
Where to buy JW WINCO knurled screws in worldwide?
3G Electric supplies JW WINCO knurled screws worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine parts like the 421-M6-25 knob to plant engineers and procurement teams internationally.
How to install JW WINCO knurled hand knobs?
Install JW WINCO knurled hand knobs by hand-turning the threaded stud into a matching M6 tapped hole or nut. The knurled plastic body provides a secure grip for tightening without tools. Ensure the mating threads are clean and lubricated for smooth adjustment and reliable fastening.
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.









