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Minerallac Company 55243USJ - Hex head cap screw with a 5/16-18 size and 2-3/4 inch length. It is made of Grade 5 steel and has a zinc plated finish. The screw is partial threaded and has a silver hex head.
Minerallac Company

55243USJ

Alternate Item Number: 14917245

UPC: 085937057501


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Minimum Qty: 100

Multiplier: 100

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Overview

The Minerallac 55243USJ is a Grade 5 hex head bolt made from medium carbon steel, quenched and tempered for high strength. This fully threaded bolt features a 5/16-18 thread size and a 2-3/4" length. It is zinc-plated for corrosion resistance, making it suitable for outdoor and harsh environments. Designed for compatibility with Minerallac Grade 5 hex nuts, this bolt meets industrial standards for durability and performance. Ideal for structural connections, equipment assembly, and infrastructure projects where robust fastening is required. Made in the USA by Minerallac Company.
  • Grade 5 medium carbon steel, quenched and tempered for superior strength
  • 5/16-18 thread size with 2-3/4" length
  • Fully threaded for maximum thread engagement and joint integrity
  • Zinc-plated finish for corrosion resistance in outdoor/harsh environments
  • Compatible with Minerallac Grade 5 hex nuts

Specifications

Finish
Zinc Plated
Head Color
Silver
Head Height
13/64 in
Head Type
Hex Head
Head Width
1/2 in
Length
2-3/4 in
Material
Medium Carbon Steel
Material
Grade 5 Steel
Material
Steel
Material Quality
Grade 5 Steel
Size
5/16-18 x 2-3/4"
Special Features
Has three hash marks and is made of medium carbon steel—quenched and tempered.
Thread Size
18 TPI
Thread Type
Coarse
Type
Hex Cap Bolt
Hex head cap screw with a 5/16-18 x 2-1/2 inch size and partial threading. It is made of Grade 5 steel and has a zinc plated finish. The screw has a hex head with a 1/2 inch head width and 13/64 inch head height.

55241J

Hex head cap screw with a 5/16-18 x 2-1/2 inch size and partial threading. It is made of Grade 5 steel and has a zinc plated finish. The screw has a hex head with a 1/2 inch head width and 13/64 inch head height.
1/4-20 x 2-1/2 Hex Bolt Finish - Plain Steel

JBHC5PL

1/4-20 x 2-1/2 Hex Bolt Finish - Plain Steel
Bolt, Hex Head Cap, Size 3/8 x 3/4 Inches, Steel

E142 3/8 3/4

Bolt, Hex Head Cap, Size 3/8 x 3/4 Inches, Steel
A hex cap screw/tap bolt with a 1/4 in size, 20 TPI coarse thread, and 3 in length. It is made of 18-8 stainless steel and has a hex head. The head width across flats is 7/16 in and the head height is 5/32 in.

74250USJ

A hex cap screw/tap bolt with a 1/4 in size, 20 TPI coarse thread, and 3 in length. It is made of 18-8 stainless steel and has a hex head. The head width across flats is 7/16 in and the head height is 5/32 in.
Hex cap screw / hex head tap bolt with a 3/8 in size and 3 in length. It is made of 18-8 stainless steel and has a coarse 16 TPI thread. The head width across flats is 9/16 in and the head height is 15/64 in.

74450USJ

Hex cap screw / hex head tap bolt with a 3/8 in size and 3 in length. It is made of 18-8 stainless steel and has a coarse 16 TPI thread. The head width across flats is 9/16 in and the head height is 15/64 in.
Hex cap screw / hex head tap bolt with a 3/8 in size and 3-1/2 in length. It is fully threaded and made of 18-8 stainless steel. The thread is coarse with 16 TPI, and the head is hex with a 9/16 in width across flats and 15/64 in height.

74458USJ

Hex cap screw / hex head tap bolt with a 3/8 in size and 3-1/2 in length. It is fully threaded and made of 18-8 stainless steel. The thread is coarse with 16 TPI, and the head is hex with a 9/16 in width across flats and 15/64 in height.
Hex cap screw with a hex head and fully threaded 3-1/2 inch length. Made of 18-8 stainless steel with coarse 13 TPI threads. Size is 1/2 inch and the head width across flats is 3/4 inch with a 5/16 inch head height.

74658USJ

Hex cap screw with a hex head and fully threaded 3-1/2 inch length. Made of 18-8 stainless steel with coarse 13 TPI threads. Size is 1/2 inch and the head width across flats is 3/4 inch with a 5/16 inch head height.
Hex cap screw / hex head tap bolt with a 1/2 in size, 13 TPI coarse thread, and 4 in length. Made from 18-8 stainless steel. The head width across flats is 3/4 in and the head height is 5/16 in.

74666USJ

Hex cap screw / hex head tap bolt with a 1/2 in size, 13 TPI coarse thread, and 4 in length. Made from 18-8 stainless steel. The head width across flats is 3/4 in and the head height is 5/16 in.

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.