JW WINCOLow-Profile Hygienic Hex Head Screws with Sealing Washer

JW WINCO Low-Profile Hygienic Hex Head Screw with Sealing Washer

JW WINCO Hygienic Hex Head Screws are low-profile, partially threaded M6 fasteners in Grade 316L stainless steel, featuring an FDA-approved pre-mounted sealing washer. Each screw has a minimum thread length of 18 mm…

SKU 3G-OTH-529418

Also listed as: 1581M640MTH · 1581 M6 40 MT H

Brand

JW WINCO

Item

Low-Profile Hygienic Hex Head Screw with Sealing Washer

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JW WINCO

Manufacturer Part Number

1581-M6-40-MT-H 

Type

Partially Threaded, M6, Grade 316L 

Thread Lg

18 mm Min 

Washer Type

FDA-Approved Pre-Mounted Sealing 

Technical Documents

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What are JW WINCO hygienic hex head screws used for?

These low-profile M6 screws with an FDA-approved pre-mounted sealing washer are designed for sanitary food, beverage, and pharmaceutical equipment where hygiene and corrosion resistance are critical. The Grade 316L stainless steel and sealing washer prevent bacterial growth and contamination.

What are the specifications of JW WINCO hygienic hex head screws?

These are partially threaded M6 screws in Grade 316L stainless steel with a minimum thread length of 18 mm. They include an FDA-approved pre-mounted sealing washer. The manufacturer part number is 1581-M6-40-MT-H from 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 sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this MPN 1581-M6-40-MT-H fastener.

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

Install using a standard hex driver, tightening to the manufacturer's recommended torque for M6 Grade 316L fasteners. The pre-mounted FDA-approved sealing washer compresses to create a hygienic seal. Avoid over-tightening to prevent washer damage. Clean surfaces before installation.

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 →