JW WINCOLow-Profile Hygienic Hex Head Screws with Sealing Washer

JW WINCO Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M4, 14 mm Min Thread Lg

JW WINCO Hygienic Hex Head Screws are low-profile, partially threaded M4 fasteners in Grade 316L stainless steel with a 14 mm minimum thread length. Each screw includes an FDA-approved pre-mounted sealing washer…

SKU 3G-OTH-529405

Brand

JW WINCO

Item

Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M4, 14 mm Min Thread Lg

Technical Specifications

JW WINCO

Manufacturer Part Number

1581-M4-20-MT-E 

Type

Partially Threaded, M4, Grade 316L 

Thread Lg

14 mm Min 

Washer Type

FDA-Approved Pre-Mounted Sealing 

View Full Spec Sheet

Technical Documents

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

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 hygienic hex head screws used for?

JW WINCO hygienic hex head screws are used for sanitary fastening in food processing, pharmaceutical, and other clean-environment applications. The Grade 316L stainless steel and FDA-approved pre-mounted sealing washer prevent bacterial growth and contamination, making them ideal for washdown areas.

What are the specifications of JW WINCO 1581-M4-20-MT-E screws?

These are low-profile, partially threaded M4 hex head screws in Grade 316L stainless steel with a 14 mm minimum thread length. Each screw includes an FDA-approved pre-mounted sealing washer. The manufacturer part number is 1581-M4-20-MT-E, and the brand is JW WINCO.

Where to buy JW WINCO hygienic hex head screws worldwide?

3G Electric supplies JW WINCO hygienic hex head screws worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the MPN 1581-M4-20-MT-E.

How to install JW WINCO hygienic hex head screws with sealing washer?

Install these screws with a standard hex driver, tightening to the torque recommended for M4 Grade 316L fasteners. The pre-mounted FDA-approved sealing washer compresses to form a sanitary seal. Avoid over-torquing to prevent washer damage. Always follow food-equipment installation best practices.

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 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.

Browse all JW WINCO products →Contact our engineers →