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, M16, 40 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, M16, 40 mm Fastener Lg

JW WINCO Hygienic Hex Head Screws are fully threaded, low-profile hex head screws with an FDA-approved pre-mounted sealing washer, made from Grade 316L stainless steel. Each screw has an M16 thread size and a 40 mm…

SKU 3G-OTH-529303

Brand
JW WINCO
Item
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M16, 40 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-M16-40-MT-E
Type
Fully Threaded, M16, Grade 316L
Fastener Lg
40 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

JW WINCO Hygienic Hex Head Screws are fully threaded, low-profile hex head screws with an FDA-approved pre-mounted sealing washer, made from Grade 316L stainless steel. Each screw has an M16 thread size and a 40 mm fastener length (MPN 1581-M16-40-MT-E).

Frequently Asked Questions

What are JW WINCO hygienic hex head screws used for?

These low-profile hex head screws with an FDA-approved pre-mounted sealing washer are used in food, beverage, and pharmaceutical processing where hygiene and contamination prevention are critical. The Grade 316L stainless steel and sealing washer resist corrosion and bacterial growth.

What are the specifications of JW WINCO 1581-M16-40-MT-E?

This JW WINCO screw is fully threaded with an M16 thread size, 40 mm fastener length, and a low-profile hex head. It includes an FDA-approved pre-mounted sealing washer and is made from Grade 316L stainless steel for corrosion resistance in sanitary environments.

Where to buy JW WINCO hygienic hex head screws worldwide?

3G Electric supplies JW WINCO hygienic hex head screws worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this M16, 40 mm, Grade 316L fastener with FDA-approved sealing washer.

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

Install using a standard hex socket or wrench, tightening to the manufacturer's recommended torque for M16 fasteners. The pre-mounted FDA-approved sealing washer creates a hygienic seal; avoid over-tightening to prevent washer damage. Clean the mating 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.

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, M5, 16 mm Min Thread Lg, Grade 316L (MPN 1581-M5-40-PL-E). 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-M5-40-PL-E). 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-PL-E). 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-PL-E). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M20, 46 mm Min Thread Lg, Grade 316L (MPN 1581-M20-60-PL-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M20, 46 mm Min Thread Lg, Grade 316L (MPN 1581-M20-60-PL-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M5, 16 mm Fastener Lg, Grade 316L (MPN 1581-M5-16-MT-E). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M5, 16 mm Fastener Lg, Grade 316L (MPN 1581-M5-16-MT-E). 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-M4-25-MT-E). 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-M4-25-MT-E). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M8, 20 mm Fastener Lg, Grade 316L (MPN 1581-M8-20-MT-E). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M8, 20 mm Fastener Lg, Grade 316L (MPN 1581-M8-20-MT-E). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M6, 20 mm Fastener Lg, Grade 316L (MPN 1581-M6-20-PL-E). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Fully Threaded, M6, 20 mm Fastener Lg, Grade 316L (MPN 1581-M6-20-PL-E). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M12, 30 mm Min Thread Lg, Grade 316L (MPN 1581-M12-40-PL-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.
JW WINCO
Hygienic Hex Head Screws: Stainless Steel, Partially Threaded, M12, 30 mm Min Thread Lg, Grade 316L (MPN 1581-M12-40-PL-H). Key specifications — Brand: JW WINCO; Washer Type: FDA-Approved Pre-Mounted Sealing.