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USA INDUSTRIALS #4-40 x 7/8 in Pan Head Phillips Machine Screws - Pan Head Machine Screws
USA INDUSTRIALSPan Head Machine Screws

USA INDUSTRIALS #4-40 x 7/8 in Pan Head Phillips Machine Screws

USA INDUSTRIALS Pan Head Machine Screws, #4-40 Thread Size, 7/8 in Lg, 18-8 Stainless Steel, Plain, Phillips drive with #1 Drive Size, supplied in a 50 PK (MPN ZSCRW-337).

SKU 3G-OTH-687400

Also listed as: ZSCRW337 · ZSCRW 337

Brand
USA INDUSTRIALS
Item
#4-40 x 7/8 in Pan Head Phillips Machine Screws
Part Number
ZSCRW-337
Category
Pan Head Machine Screws
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
ZSCRW-337
Type
18-8, Stainless Steel, Plain, Pan, Phillips, 50 PK
Lg
7/8 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, 7/8 in Lg, 18-8 Stainless Steel, Plain, Phillips drive with #1 Drive Size, supplied in a 50 PK (MPN ZSCRW-337).

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-337 machine screws?

The USA INDUSTRIALS ZSCRW-337 machine screw has a #4-40 thread size, 7/8 in length, 18-8 stainless steel, plain finish, pan head, and Phillips drive with #1 drive size. Supplied in a 50-piece pack.

Where to buy USA INDUSTRIALS ZSCRW-337 machine screws worldwide?

3G Electric supplies USA INDUSTRIALS ZSCRW-337 machine screws worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 50-pack of #4-40 pan head screws.

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

Select a pan head machine screw by matching thread size (e.g., #4-40), length, material (e.g., 18-8 stainless steel for corrosion resistance), drive type (e.g., Phillips), and head style to your assembly requirements. Ensure the drive size (e.g., #1) fits your tooling.

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 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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