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USA INDUSTRIALS Machine Screw: External Tooth, #4-40 Thread Size, 1 in Lg, Steel, Zinc-Plated - Machine Screws with External Tooth Lock Washers
USA INDUSTRIALSMachine Screws with External Tooth Lock Washers

USA INDUSTRIALS Machine Screw: External Tooth, #4-40 Thread Size, 1 in Lg, Steel, Zinc-Plated

USA INDUSTRIALS Machine Screw: External Tooth, a #4-40 thread size, 1-inch long steel screw with a zinc-plated finish, pan head, and Phillips drive (size #1), supplied as a 50-pack with part number ZSCRW-23458. This…

SKU 3G-OTH-682998

Brand
USA INDUSTRIALS
Item
Machine Screw: External Tooth, #4-40 Thread Size, 1 in Lg, Steel, Zinc-Plated
Category
Machine Screws with External Tooth Lock Washers
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Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
ZSCRW-23458
Type
#4-40 Thread Size, Steel, Zinc-Plated, Pan, Phillips, 50 PK
Lg
1 in
Drive Size
#1
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USA INDUSTRIALS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

USA INDUSTRIALS Machine Screw: External Tooth, a #4-40 thread size, 1-inch long steel screw with a zinc-plated finish, pan head, and Phillips drive (size #1), supplied as a 50-pack with part number ZSCRW-23458. This product combines a machine screw with an external tooth lock washer for secure fastening in industrial applications.

Frequently Asked Questions

What is a USA INDUSTRIALS machine screw with external tooth lock washer used for?

This #4-40 thread, 1-inch steel screw with a zinc-plated finish and integrated external tooth lock washer is used for secure fastening in industrial assemblies. The lock washer resists loosening from vibration, making it suitable for machinery, panels, and equipment where reliable clamping is required.

What are the specifications of the USA INDUSTRIALS ZSCRW-23458 machine screw?

The ZSCRW-23458 is a #4-40 thread size, 1-inch long steel machine screw with a zinc-plated finish, pan head, and Phillips drive (size #1). It includes an external tooth lock washer and is supplied as a 50-pack. The manufacturer part number is ZSCRW-23458.

Where to buy USA INDUSTRIALS machine screws in worldwide?

3G Electric supplies USA INDUSTRIALS machine screws like the ZSCRW-23458 to customers 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 thread, 1-inch steel screws with external tooth lock washers.

How to select the correct machine screw with external tooth lock washer?

Select based on thread size, length, material, and drive type. For the USA INDUSTRIALS ZSCRW-23458, use #4-40 thread, 1-inch length, steel with zinc plating, and a #1 Phillips drive. The external tooth lock washer is pre-assembled to prevent loosening. Ensure the screw length matches material thickness plus washer height.

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 machine screws with external tooth lock washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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