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Minerallac Company 55457J - Hex tap bolt / hex head cap screw made of steel with a zinc plated finish. It is Grade 5 and measures 3/8"-16 x 3-1/2" with a 0.375" diameter and 3.500" length. The sheet states it is used to mount motors to machinery and is also popular in automotive and truck repair.
Minerallac Company

55457J

Alternate Item Number: 14878622

UPC: 085937054555


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Minimum Qty: 50

Multiplier: 50

*Contact for lower quantities*

Overview

The Minerallac Company 55457J is a Grade 5 hex head bolt designed for general-purpose fastening applications requiring high strength and corrosion resistance. Manufactured from medium carbon steel and quenched/tempered for durability, this bolt features a 3/8-16 thread size and a 3-1/2 inch length, fully threaded for maximum engagement with compatible nuts or tapped holes. The zinc plating provides corrosion protection, making it suitable for indoor and outdoor use in workshops, assembly lines, or industrial environments. Grade 5 identification is simplified by three hash marks on the bolt head, ensuring quick verification of mechanical properties. Supplied in a gravity feed jar containing 50 units, this packaging optimizes inventory management and dispensing efficiency in high-volume applications. Compatible with Minerallac Grade 5 hex nuts (see catalog page 57) for reliable joint integrity. Ideal for construction, machinery assembly, electrical installations, and HVAC systems where robust fastening is critical. Refer to Minerallac’s catalog for additional sizes and compatible fasteners.
  • Grade 5 medium carbon steel construction for high tensile strength
  • Zinc plating provides corrosion resistance for indoor/outdoor use
  • Fully threaded 3/8-16 x 3-1/2" design for maximum engagement
  • Three hash marks on head for easy Grade 5 identification
  • 50 units per gravity feed jar for efficient inventory management
  • Fully threaded
  • Supplied in a gravity feed jar (50 count)

Specifications

Application
Used to mount motors to machinery also popular in automotive and truck repair
Diameter
0.375 in
Diameter
9.525 mm
Finish
Zinc Plated
Grade
Grade 5
Head Type
Hex
Length
3.5 in
Length
88.9 mm
Material
Zinc
Material
Steel
Size
3/8-16 x 3-1/2"
Size
3/8"–16 x 3-1/2"
Thread
16 TPI
Type
Hex Tap Bolt
This is a hex tap bolt for use in drilled and tapped holes threaded full length. It is made of steel with a zinc plated finish. The bolt is 3/8"-16 x 3" and has a hex head.

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55853USJ

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554208J

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56233J

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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.