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USA INDUSTRIALS Machine Screw: #4-40 Thread Size, 1/4 in Lg, 18-8, Stainless Steel, Plain - Pan Head Machine Screws
USA INDUSTRIALSPan Head Machine Screws

USA INDUSTRIALS Machine Screw: #4-40 Thread Size, 1/4 in Lg, 18-8, Stainless Steel, Plain

USA INDUSTRIALS Pan Head Machine Screws, #4-40 Thread Size, 1/4 in Lg, 18-8 Stainless Steel, Plain, Phillips drive with #1 Drive Size, supplied in a 50 PK (MPN ZSCRW-330).

SKU 3G-OTH-687366

Also listed as: ZSCRW330 · ZSCRW 330

Brand
USA INDUSTRIALS
Item
Machine Screw: #4-40 Thread Size, 1/4 in Lg, 18-8, Stainless Steel, Plain
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
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
ZSCRW-330
Type
18-8, Stainless Steel, Plain, Pan, Phillips, 50 PK
Lg
1/4 in
Drive Size
#1

Technical Documents

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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, 1/4 in Lg, 18-8 Stainless Steel, Plain, Phillips drive with #1 Drive Size, supplied in a 50 PK (MPN ZSCRW-330).

Frequently Asked Questions

What are the specifications of USA INDUSTRIALS ZSCRW-330 machine screws?

The USA INDUSTRIALS ZSCRW-330 is a #4-40 thread size, 1/4 in long, 18-8 stainless steel pan head machine screw with a plain finish and Phillips drive. Drive size is #1. Supplied in a 50-piece pack.

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 head and Phillips drive are needed. The 18-8 stainless steel provides corrosion resistance in industrial environments.

Where to buy USA INDUSTRIALS ZSCRW-330 machine screws worldwide?

3G Electric supplies USA INDUSTRIALS ZSCRW-330 machine screws worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 50-pack of #4-40 x 1/4 in stainless steel screws.

How to select the correct drive size for #4-40 machine screws?

For #4-40 machine screws, the drive size must match the driver bit. The ZSCRW-330 uses a #1 Phillips drive. Always verify the drive size against your tooling to avoid cam-out or damage. 18-8 stainless steel requires sharp, properly sized bits.

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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