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USA INDUSTRIALS Machine Screw: #4-40 Thread Size, 5/16 in Lg, 18-8, Stainless Steel, Plain - Pan Head Machine Screws
USA INDUSTRIALSPan Head Machine Screws

USA INDUSTRIALS Machine Screw: #4-40 Thread Size, 5/16 in Lg, 18-8, Stainless Steel, Plain

USA INDUSTRIALS Pan Head Machine Screws, #4-40 Thread Size, 5/16 in Lg, 18-8 Stainless Steel, Plain finish, Phillips drive, #1 Drive Size, 50 PK (MPN ZSCRW-331).

SKU 3G-OTH-687541

Brand
USA INDUSTRIALS
Item
Machine Screw: #4-40 Thread Size, 5/16 in Lg, 18-8, Stainless Steel, Plain
Category
Pan Head Machine Screws
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Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
ZSCRW-331
Type
18-8, Stainless Steel, Plain, Pan, Phillips, 50 PK
Lg
5/16 in
Drive Size
#1
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USA INDUSTRIALS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

USA INDUSTRIALS Pan Head Machine Screws, #4-40 Thread Size, 5/16 in Lg, 18-8 Stainless Steel, Plain finish, Phillips drive, #1 Drive Size, 50 PK (MPN ZSCRW-331).

Frequently Asked Questions

What is a #4-40 pan head machine screw used for?

A #4-40 pan head machine screw is used for fastening components in machinery, electrical enclosures, and instrumentation where a low-profile, non-countersunk head is needed. The 18-8 stainless steel construction provides corrosion resistance for industrial and outdoor applications.

What are the specifications of USA INDUSTRIALS ZSCRW-331 machine screws?

The USA INDUSTRIALS ZSCRW-331 machine screw has a #4-40 thread size, 5/16 in length, 18-8 stainless steel, plain finish, pan head, and Phillips drive with #1 drive size. It comes in a 50-piece pack.

Where to buy USA INDUSTRIALS ZSCRW-331 machine screws worldwide?

3G Electric supplies USA INDUSTRIALS ZSCRW-331 machine screws worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time.

How to select the correct pan head machine screw for an application?

Select a pan head machine screw by matching thread size (#4-40), length (5/16 in), material (18-8 stainless steel for corrosion resistance), and drive type (Phillips #1). Ensure the screw's head style fits the mating surface and that the fastener grade meets your load requirements.

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 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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