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USA INDUSTRIALS #4-40 x 1/4 in Pan Head Sealing Machine Screw - Pan Head Sealing Machine Screws
USA INDUSTRIALSPan Head Sealing Machine Screws

USA INDUSTRIALS #4-40 x 1/4 in Pan Head Sealing Machine Screw

USA INDUSTRIALS Pan Head Sealing Machine Screws, #4-40 Thread Size, 1/4 in Lg, with a #0 Phillips drive and a Silicone Rubber O-ring, in a 25 PK. These stainless steel, plain finish screws (MPN ZSCRW-787) are…

SKU 3G-OTH-747131

Also listed as: ZSCRW787 · ZSCRW 787

Brand
USA INDUSTRIALS
Item
#4-40 x 1/4 in Pan Head Sealing Machine Screw
Category
Pan Head Sealing Machine Screws
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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

USA INDUSTRIALS
Manufacturer Part Number
ZSCRW-787
Type
Pan, Phillips, Stainless Steel, Plain, 25 PK
Lg
1/4 in
Drive Size
#0
O-Ring Material
Silicone Rubber

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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, 1/4 in Lg, with a #0 Phillips drive and a Silicone Rubber O-ring, in a 25 PK. These stainless steel, plain finish screws (MPN ZSCRW-787) are designed for applications requiring a sealed fastening solution.

Frequently Asked Questions

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

These #4-40 thread, 1/4 in long stainless steel screws with a silicone rubber O-ring provide a sealed fastening solution. They are used in applications where a leak-proof joint is required, such as fluid handling, instrumentation, or electrical enclosures, preventing moisture or contaminants from entering.

What are the specifications of USA INDUSTRIALS ZSCRW-787 machine screws?

The ZSCRW-787 is a #4-40 thread, 1/4 in long pan head machine screw with a #0 Phillips drive. It is made of stainless steel with a plain finish and includes a silicone rubber O-ring. Supplied in a 25-piece pack by USA INDUSTRIALS.

Where to buy USA INDUSTRIALS ZSCRW-787 sealing screws worldwide?

3G Electric supplies USA INDUSTRIALS ZSCRW-787 pan head sealing machine screws worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver these #4-40, 1/4 in stainless steel screws with silicone O-rings to your facility.

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

Ensure the mating surface is clean and dry. Drive the screw with a #0 Phillips bit to the specified torque, compressing the silicone rubber O-ring evenly. Avoid over-tightening, which can damage the O-ring or strip the #4-40 threads. Use a thread sealant if additional sealing is required.

Used in

Common applications for USA INDUSTRIALS
Chemical processing — USA INDUSTRIALS FEP-encapsulated silicone cam-and-groove gaskets for corrosion-resistant sealing in coupling systems.
Food and beverage — USA INDUSTRIALS food-grade FKM cam-and-groove gaskets for sanitary fluid transfer in processing lines.
Water treatment — USA INDUSTRIALS 304 stainless steel gate valves for isolation in piping systems handling non-potable water.
Oil and gas — USA INDUSTRIALS brass ball valves for manual shut-off in low-pressure gas or fluid lines.
Pharmaceutical manufacturing — USA INDUSTRIALS 316 stainless steel globe valves for precise flow control in clean-room environments.
General industrial MRO — USA INDUSTRIALS polypropylene cam-and-groove fittings for temporary hose connections in plant maintenance.

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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