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JW WINCO M4 Low-Profile Hygienic Hex Head Screw with Sealing Washer - Low-Profile Hygienic Hex Head Screws with Sealing Washer
JW WINCOLow-Profile Hygienic Hex Head Screws with Sealing Washer

JW WINCO M4 Low-Profile Hygienic Hex Head Screw with Sealing Washer

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-529359

Also listed as: 1581M416MTH · 1581 M4 16 MT H

Brand
JW WINCO
Item
M4 Low-Profile Hygienic Hex Head Screw with Sealing Washer
Part Number
1581-M4-16-MT-H
Category
Low-Profile Hygienic Hex Head Screws with Sealing Washer
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Technical Specifications

JW WINCO
Manufacturer Part Number
1581-M4-16-MT-H
Type
Partially Threaded, M4, Grade 316L
Thread Lg
14 mm Min
Washer Type
FDA-Approved Pre-Mounted Sealing

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

Product Description

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, making them suitable for sanitary environments requiring secure, cleanable connections.

Frequently Asked Questions

What are JW WINCO hygienic hex head screws used for?

JW WINCO hygienic hex head screws are used in sanitary food, beverage, and pharmaceutical processing environments. Their Grade 316L stainless steel and FDA-approved pre-mounted sealing washer provide cleanable, corrosion-resistant connections that meet strict hygiene standards.

What are the specifications of JW WINCO 1581-M4-16-MT-H screws?

These are M4 partially threaded 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 low-profile head design suits applications where clearance and cleanability are critical.

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 the MPN 1581-M4-16-MT-H.

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

Install using 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. Clean the mating surfaces before installation.

Used in

Common applications for JW WINCO
Hydraulic power units — JW Winco filter breather vents (e.g., SKU 912HX4) with 3/4" SAE thread and 10-micron filtration for air exchange on reservoirs.
Gearbox and compressor mounting — JW Winco cylindrical vibration-isolating mounts (e.g., SKU 802C02) with 55A durometer natural rubber to reduce transmitted vibration.
Industrial machinery adjustment — JW Winco knurled knobs (e.g., SKU 822Y21) with M6 steel thread insert for manual clamping and positioning on jigs and fixtures.
Fluid drainage in reservoirs — JW Winco fluid drain valves (e.g., SKU 912HP9) with M16x1.5 mounting thread and tethered cap for controlled draining of hydraulic tanks.
Corrosive environment fastening — JW Winco stainless steel wing knobs (e.g., SKU 822W63) with 1/4"-20 threaded hole for frequent manual adjustment in wet or chemical-exposed areas.
Metric and inch thread applications — JW Winco knurled knobs (e.g., SKU 822Y18) with 3/8"-16 thread for equipment requiring inch-based manual fastening.
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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.

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