JW WINCO Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M4, 14 mm Min Thread Lg
The JW WINCO Hygienic Hex Head Screw (MPN 1581-M4-25-MT-E) is a low-profile, partially threaded M4 fastener in Grade 316L stainless steel with a 14 mm minimum thread length. It features an FDA-approved pre-mounted…
SKU 3G-OTH-529406
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Product Description
The JW WINCO Hygienic Hex Head Screw (MPN 1581-M4-25-MT-E) is a low-profile, partially threaded M4 fastener in Grade 316L stainless steel with a 14 mm minimum thread length. It features an FDA-approved pre-mounted sealing washer, designed for sanitary applications requiring secure, cleanable fastening.
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 is a JW WINCO hygienic hex head screw used for?
This low-profile, partially threaded M4 screw with an FDA-approved pre-mounted sealing washer is used in sanitary food, beverage, and pharmaceutical processing. It provides a cleanable, secure fastening solution where hygiene and corrosion resistance are critical.
What are the specifications of the JW WINCO 1581-M4-25-MT-E?
This JW WINCO screw is a partially threaded M4 fastener in Grade 316L stainless steel with a 14 mm minimum thread length. It includes an FDA-approved pre-mounted sealing washer, making it suitable for hygienic applications requiring a low-profile, corrosion-resistant design.
Where to buy JW WINCO hygienic hex head screws worldwide?
3G Electric supplies and delivers JW WINCO hygienic hex head screws worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, wherever you are located.
How to install a JW WINCO hygienic hex head screw with sealing washer?
Install using a standard hex driver, tightening to the torque specified for M4 Grade 316L fasteners in your application. The pre-mounted FDA-approved sealing washer compresses to create a hygienic seal. Avoid over-torquing to prevent damage to the washer or threads.
Used in
Common applications for JW WINCOJW WINCO Products
3G Electric supplies JW WINCO low-profile hygienic hex head screws with sealing washer. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









