Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
JW WINCO Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M8, 20 mm Fastener Lg - Low-Profile Hygienic Hex Head Screws with Sealing Washer
JW WINCOLow-Profile Hygienic Hex Head Screws with Sealing Washer

JW WINCO Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M8, 20 mm Fastener Lg

3G Electric supplies the JW WINCO Hygienic Hex Head Screw (MPN 1581-M8-20-PL-E), a fully threaded, M8, Grade 316L stainless steel fastener with a 20 mm length and an FDA-approved pre-mounted sealing washer. This…

SKU 3G-OTH-529284

Brand
JW WINCO
Item
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M8, 20 mm Fastener Lg
Category
Low-Profile Hygienic Hex Head Screws with Sealing Washer
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

JW WINCO
Manufacturer Part Number
1581-M8-20-PL-E
Type
Fully Threaded, M8, Grade 316L
Fastener Lg
20 mm
Washer Type
FDA-Approved Pre-Mounted Sealing
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

JW WINCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

3G Electric supplies the JW WINCO Hygienic Hex Head Screw (MPN 1581-M8-20-PL-E), a fully threaded, M8, Grade 316L stainless steel fastener with a 20 mm length and an FDA-approved pre-mounted sealing washer. This low-profile hex head screw is designed for hygienic applications requiring secure, cleanable fastening.

Frequently Asked Questions

What is the JW WINCO Hygienic Hex Head Screw used for?

This low-profile hex head screw is used in hygienic applications such as food processing, pharmaceutical, and clean-room environments where secure, cleanable fastening is required. The FDA-approved pre-mounted sealing washer prevents contamination and simplifies washdown procedures.

What are the specifications of the JW WINCO 1581-M8-20-PL-E?

The JW WINCO 1581-M8-20-PL-E is a fully threaded, M8, Grade 316L stainless steel hex head screw with a 20 mm fastener length. It includes an FDA-approved pre-mounted sealing washer. The low-profile head design reduces crevices for improved hygiene.

Where to buy JW WINCO hygienic hex head screws worldwide?

3G Electric supplies the JW WINCO 1581-M8-20-PL-E and other hygienic fasteners worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this Grade 316L screw with FDA-approved sealing washer.

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

Install using a standard hex socket or wrench, tightening to the manufacturer's recommended torque for M8 Grade 316L fasteners. The pre-mounted sealing washer compresses to form a hygienic seal. Avoid over-tightening to prevent washer damage. Clean the area 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from JW WINCO

View all JW WINCO parts →
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M4, 14 mm Min Thread Lg, Grade 316L (MPN 1581-M4-20-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M4, 14 mm Min Thread Lg, Grade 316L (MPN 1581-M4-20-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M5, 16 mm Min Thread Lg, Grade 316L (MPN 1581-M5-30-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M5, 16 mm Min Thread Lg, Grade 316L (MPN 1581-M5-30-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M8, 22 mm Min Thread Lg, Grade 316L (MPN 1581-M8-50-MT-E). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M8, 22 mm Min Thread Lg, Grade 316L (MPN 1581-M8-50-MT-E). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M16, 38 mm Min Thread Lg, Grade 316L (MPN 1581-M16-60-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M16, 38 mm Min Thread Lg, Grade 316L (MPN 1581-M16-60-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M12, 25 mm Fastener Lg, Grade 316L (MPN 1581-M12-25-MT-E). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M12, 25 mm Fastener Lg, Grade 316L (MPN 1581-M12-25-MT-E). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M16, 38 mm Min Thread Lg, Grade 316L (MPN 1581-M16-70-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M16, 38 mm Min Thread Lg, Grade 316L (MPN 1581-M16-70-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M4, 14 mm Min Thread Lg, Grade 316L (MPN 1581-M4-30-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M4, 14 mm Min Thread Lg, Grade 316L (MPN 1581-M4-30-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M6, 25 mm Fastener Lg, Grade 316L (MPN 1581-M6-25-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M6, 25 mm Fastener Lg, Grade 316L (MPN 1581-M6-25-MT-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.