JW WINCO Knurled Screws; Knurled Hand Knobs: Knurled, Plastic w/ Steel Thread, M4 Thread
JW WINCO Knurled Screws are knurled hand knobs with threaded stud, featuring a black plastic body with steel M4 thread and a 10 mm thread length (MPN 421-M4-10).
SKU 3G-OTH-514717
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Product Description
JW WINCO Knurled Screws are knurled hand knobs with threaded stud, featuring a black plastic body with steel M4 thread and a 10 mm thread length (MPN 421-M4-10).
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-M4-10) are hand-operated fasteners for tooling, jigs, fixtures, and machinery where frequent adjustment or clamping is needed. The black plastic body with steel M4 thread provides a comfortable grip and corrosion resistance in industrial assembly and maintenance applications.
What are the specifications of JW WINCO knurled screws 421-M4-10?
The JW WINCO 421-M4-10 knurled screw has a black plastic body with a steel M4 thread and a 10 mm thread length. It is a knurled hand knob with threaded stud, designed for manual tightening without tools. The plastic construction offers electrical insulation and a non-slip grip.
Where to buy JW WINCO knurled screws worldwide?
3G Electric supplies JW WINCO knurled screws (MPN 421-M4-10) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this M4 threaded plastic knob with steel stud.
How to install JW WINCO knurled hand knobs?
Install JW WINCO knurled hand knobs by threading the M4 steel stud into a matching tapped hole or nut. Tighten by hand using the knurled plastic body; no tools are required. Avoid over-torquing to prevent damage to the plastic knob. For repeated adjustments, ensure threads are clean and lubricated.
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.









