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USA INDUSTRIALS #4-40 x 3/8 in Pan Head Phillips Sealing Machine Screw - Pan Head Sealing Machine Screws
USA INDUSTRIALSPan Head Sealing Machine Screws

USA INDUSTRIALS #4-40 x 3/8 in Pan Head Phillips Sealing Machine Screw

USA INDUSTRIALS Pan Head Sealing Machine Screws, #4-40 Thread Size, 3/8 in Lg, with a #1 Phillips drive and a Silicone Rubber O-ring. These stainless steel, plain finish screws come in a 10 PK (MPN ZSCRW-788).

SKU 3G-OTH-747132

Also listed as: ZSCRW788 · ZSCRW 788

Brand
USA INDUSTRIALS
Item
#4-40 x 3/8 in Pan Head Phillips Sealing Machine Screw
Part Number
ZSCRW-788
Category
Pan Head Sealing Machine Screws
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Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
ZSCRW-788
Type
Pan, Phillips, Stainless Steel, Plain, 10 PK
Lg
3/8 in
Drive Size
#1
O-Ring Material
Silicone Rubber

Technical Documents

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USA INDUSTRIALS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

USA INDUSTRIALS Pan Head Sealing Machine Screws, #4-40 Thread Size, 3/8 in Lg, with a #1 Phillips drive and a Silicone Rubber O-ring. These stainless steel, plain finish screws come in a 10 PK (MPN ZSCRW-788).

Frequently Asked Questions

What are USA INDUSTRIALS pan head sealing machine screws used for?

These #4-40 thread, 3/8 in long stainless steel screws with a silicone rubber O-ring are used to create a leak-proof seal in applications like fluid handling, pneumatic systems, and enclosures where vibration or moisture resistance is needed.

What are the specifications of USA INDUSTRIALS ZSCRW-788 screws?

The ZSCRW-788 is a #4-40 thread, 3/8 in long pan head Phillips machine screw with a #1 drive size. It is made of stainless steel with a plain finish and includes a silicone rubber O-ring. Sold in a 10-pack.

Where to buy USA INDUSTRIALS ZSCRW-788 screws worldwide?

3G Electric supplies USA INDUSTRIALS ZSCRW-788 pan head sealing machine screws worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you get the correct fasteners for your application.

How to install pan head sealing machine screws with O-rings?

Ensure the mating surface is clean and dry. Drive the screw with a #1 Phillips bit until the silicone O-ring compresses evenly against the surface. Do not overtighten, as this can damage the O-ring and compromise the seal.

Used in

Common applications for USA INDUSTRIALS
Petrochemical industry — USA Industrials A193 B7 heavy hex bolts used in high-temperature flange connections on process piping.
Power generation — A193 B7 heavy hex bolts for bolting applications in steam lines and turbine housings.
Structural steel — Heavy hex bolts for high-strength structural connections in industrial buildings and equipment.
Maintenance and repair — Small packs of A193 B7 bolts for on-site replacement in high-pressure systems.
Chemical processing — Corrosion-resistant bolting for reactors and heat exchangers where elevated temperatures are present.
Oil and gas — A193 B7 bolts for wellhead and pipeline flange assemblies requiring reliable sealing.
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USA INDUSTRIALS Products

3G Electric supplies USA INDUSTRIALS pan head sealing machine screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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