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Minerallac Company 55443 - Hex head cap screw with a 3/8-16 x 2-3/4 in size. It is made of Grade 5 steel and has a zinc plated finish. The screw is partially threaded and has a coarse thread with a hex head.
Minerallac Company

55443

UPC: 085937554437

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Minimum Qty: 50

Multiplier: 50

*Contact for lower quantities*

Overview

The Minerallac Company SKU 55443USJ is a high-strength 3/8-16 x 2-3/4 inch Hex Head Cap Screw (HHCS) designed for robust industrial applications. Manufactured from Grade 5 steel, this fastener is quenched and tempered, indicated by three hash marks on its hex head, signifying its superior mechanical properties. The medium carbon steel construction ensures durability and reliability under demanding conditions. This screw features a coarse thread pitch of 16 threads per inch for quick and secure engagement. Its zinc-plated finish provides excellent corrosion resistance, making it suitable for various environments. The hex head offers a substantial bearing surface and allows for secure tightening with standard tools, with a head width of 9/16 inch across the flats and a height of 15/64 inch. This partially threaded screw is ideal for general assembly, construction, and maintenance tasks where a strong, dependable fastening solution is required. It is Buy American Act compliant and RoHS compliant. Each jar contains 50 screws, with a master carton quantity of 300. The Country of Origin is USA. The hex head cap screw has a nominal diameter of 3/8 inch and a thread count of 16 threads per inch. The length of the screw is 2-3/4 inches. The material is Grade 5 steel, which is a medium carbon steel that has been quenched and tempered. The finish is zinc plated. The thread is coarse and the screw is partially threaded.
  • 3/8-16 x 2-3/4 inch size for versatile applications
  • Grade 5 steel construction for high tensile strength
  • Zinc-plated finish for enhanced corrosion resistance
  • Coarse thread pitch (16 TPI) for rapid fastening
  • Hex head design for secure tool engagement

Specifications

Finish
Zinc Plated
Head Color
Silver
Head Height
15/64 in
Head Type
Hex Head
Head Width
9/16 in
Length
2-3/4 in
Material
Grade 5 Steel
Material Quality
Grade 5 Steel
Size
3/8-16 x 2-3/4"
Size
3/8-16 x 2-3/4 in
Special Features
Has three hash marks and is made of medium carbon steel—quenched and tempered.
Thread Size
16 TPI
Thread Type
Coarse
Type
Hex Cap Bolt
This is a hex head cap screw sized 3/8-16 x 3-1/4 inches. It is made of Grade 5 steel and has a zinc plated finish. The screw has a hex head and coarse threads, and the sheet notes it is partial threaded.

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Frequently Asked Questions

What material is the Minerallac 55443USJ screw made from?

The Minerallac 55443USJ screw is made from Grade 5 steel, which is a medium carbon steel that has been quenched and tempered.

What is the thread size and type for this hex head cap screw?

This hex head cap screw features a 3/8-16 size with a coarse thread type.

Does the Minerallac 55443USJ screw have a protective finish?

Yes, the screw has a zinc-plated finish to provide corrosion resistance.

What is the head type and dimensions of this cap screw?

It features a hex head with a width of 9/16 inch across the flats and a height of 15/64 inch.

Is this screw compliant with the Buy American Act?

Yes, the Minerallac 55443USJ screw is Buy American Act compliant.

What is the standard quantity per jar for this product?

The standard quantity per jar for SKU 55443USJ is 50 screws.

What does the 'Grade 5' designation signify for this screw?

Grade 5 signifies the screw's strength and is indicated by three hash marks on the head, meaning it is made of medium carbon steel, quenched and tempered.

Frequently Asked Questions about Minerallac Company

What are the main product lines offered by Minerallac Company?

Minerallac Company offers multiple comprehensive product lines including Minerallac Traditional (electrical fasteners), Strut Fittings, Stainless Steel Fasteners, Black Claw, Impact Staples, and Redmore. Their Traditional line features over a thousand electrical fastener variations covering conduit/cable/wire products, nail straps, beam clamps, metal stud & drywall accessories, acoustical supports, voice/data hardware, and miscellaneous electrical installation components.

What is Minerallac Company's warranty policy?

Minerallac Company provides a limited warranty that guarantees all products are free from defects in material and workmanship. If a product fails to meet this warranty, Minerallac's sole liability is to replace the product at no charge. The warranty is exclusive and does not cover consequential damages, lost profits, or implied warranties of merchantability or fitness for a particular purpose.

What industries and applications are Minerallac Company products used for?

Minerallac Company products are used extensively across electrical, construction, and industrial applications, including conduit and cable support, beam mounting, metal stud and drywall installation, voice/data infrastructure, and low voltage systems. Their product lines cover critical fastening solutions for electrical contractors, with specialized offerings in conduit hangers, straps, beam clamps, cable supports, and mounting hardware for various industrial environments.

What technical support does Minerallac Company offer?

Minerallac Company offers comprehensive technical support through multiple channels, including a toll-free customer service line at 800-927-3293, email support at [email protected], and online resources at www.minerallac.com. Their support covers product selection, technical specifications, and customer service for their extensive line of electrical fasteners, hangers, straps, and hardware across multiple product brands including Minerallac Traditional, Cully, Black Claw, IMPACT Staples, and Minerallac Stainless Steel. Support hours are 8:00 A.M. to 5:00 P.M. CT for their corporate office and 8:00 A.M. to 5:00 P.M. PT for their regional office.

What are the key features of Minerallac Company products?

Minerallac Company products feature a comprehensive range of electrical fasteners and hardware with exceptional versatility, including over 1,000 different sizes, styles, and finishes. Key features include multiple product lines such as Traditional, Strut Fittings, and Stainless Steel options with specialized finishes like 304/316 Stainless Steel, Hot-Dipped Galvanized, and Zinc Electroplate. Their products are engineered for electrical contractors, offering time-saving solutions with high-quality fasteners designed for durability, corrosion resistance, and worker safety across various installation environments.

What environmental ratings do Minerallac Company products have?

Minerallac Company products have robust environmental ratings, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13 certifications, CSA Type 1-4X, 12, and 13 ratings, and IEC 60529 IP66 protection. The products are WEEE and RoHS compliant, with UV and oil resistance, and can operate in extreme temperatures ranging from -55°C to 105°C, making them suitable for harsh industrial environments.

What accessories are available for Minerallac Company products?

Minerallac Company offers a comprehensive range of accessories across multiple product categories, including hardware, fasteners, and mounting solutions. Key accessories include stove bolts with nuts, wing nut washers, bar joist washers, stud clip adapters, brackets, perforated strapping, cable support options like J-hooks and bridle rings, box mounting brackets, outlet retainers, and various stud and drywall supports. Their accessories are available in multiple finishes such as stainless steel, hot-dipped galvanized, zinc electroplate, and powder-coated options.

How are Minerallac Company products typically installed?

Minerallac Company products are typically installed using a variety of specialized fastening solutions, including conduit hangers, straps, beam clamps, and mounting brackets designed for different electrical and construction applications. Installation methods vary by product type, with options for metal studs, drywall, beams, acoustical surfaces, and low voltage systems. The company offers multiple installation styles such as one-hole and two-hole straps, universal beam clamps, and specific mounting hardware to ensure secure and efficient attachment across diverse electrical and construction environments.

What communication protocols do Minerallac Company products support?

Minerallac Company's Brad product line supports multiple industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, Serial, AS-interface, and CC-Link. Their comprehensive portfolio covers over 40 industrial protocols, providing flexible communication solutions for various industrial automation applications from PC-based control to PLC systems.