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Minerallac Company 55436J - 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 2-1/4" and has a hex head. The sheet identifies it as Grade 2 and partial threaded.
Minerallac Company

55436J

Alternate Item Number: 12112482

UPC: 085937081339


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Overview

The Minerallac Company 3/8-16 x 2-1/4" Hex Head Bolt (SKU: 55436J) is a standard industrial fastener manufactured in the USA. This bolt features a 3/8-inch diameter with a coarse thread pitch of 16 threads per inch (TPI) and a nominal length of 2-1/4 inches. Constructed from zinc-plated steel, it provides basic corrosion resistance suitable for indoor or sheltered outdoor environments. The hex head design allows for efficient installation and removal using standard wrenches or sockets. This fastener conforms to established industrial specifications for dimensional accuracy and mechanical performance, ensuring reliable assembly. It is commonly employed in general construction, machinery assembly, and light fabrication projects where a dependable, cost-effective threaded connection is required. Minerallac offers a range of hex head bolts in various lengths and quantities, including 3/8-16 x 1" (SKU: 55416-1000, 55416BFG), 3/8-16 x 3/4" (SKU: 55412-1000, 55412BFG), 3/8-16 x 2" (SKU: 55432BFG), 3/8-16 x 1/2" (SKU: 55408-1000), and 3/8-16 x 1-1/2" (SKU: 55424BFG), as well as 1/4-20 options (SKU: 55012-1000, 55012-2500).
  • 3/8-16 thread size
  • 2-1/4 inch length
  • Zinc-plated steel construction
  • Hex head for easy installation
  • Manufactured in the USA

Specifications

Application
To be used in drilled and tapped holes which are threaded full length.
Diameter
0.375 in
Diameter
9.525 mm
Finish
Zinc Plated
Head Type
Hex
Length
2.25 in
Length
57.15 mm
Material
Steel
Material
Zinc-Plated Steel
Size
3/8-16 x 2-1/4
Size
3/8-16 x 2-1/4"
Size
3/8-16 x 2-1/4 inch
Size
3/8"–16 x 2-1/4"
Thread
16 TPI
Type
Hex Tap Bolt
Package Weight (Imperial)
4.345 lbs
Hex tap bolt for use in drilled and tapped holes which are threaded full length. It is made of steel with a zinc plated finish. The bolt is 2.500 in long and sized 3/8-16 x 2-1/2 in, with a hex head.

55442

Hex tap bolt for use in drilled and tapped holes which are threaded full length. It is made of steel with a zinc plated finish. The bolt is 2.500 in long and sized 3/8-16 x 2-1/2 in, with a hex head.
5/8-11 x 2-1/4 Grade 5 Hex Tap Bolt Zinc u/m 50

JG5HTB65

5/8-11 x 2-1/4 Grade 5 Hex Tap Bolt Zinc u/m 50
Strut Non Metallic Hex Head Bolt 3/8 Inch - 2-1/2 Inch

NM-F38212

Strut Non Metallic Hex Head Bolt 3/8 Inch - 2-1/2 Inch
This is a hex head cap screw sized 1/2-13 x 2-1/2 in. It is made of silicon bronze with a copper-colored head. The sheet lists a coarse 13-thread size and a hex head with 3/4 in head width and 5/16 in head height.

54840J

This is a hex head cap screw sized 1/2-13 x 2-1/2 in. It is made of silicon bronze with a copper-colored head. The sheet lists a coarse 13-thread size and a hex head with 3/4 in head width and 5/16 in head height.
Hex cap bolt with a 3/8-16 x 3 inch size and coarse 16-thread specification. It is made of Grade 2 steel and has a zinc plated finish. The head is hex head with a 9/16 inch width and 15/64 inch height.

55448J

Hex cap bolt with a 3/8-16 x 3 inch size and coarse 16-thread specification. It is made of Grade 2 steel and has a zinc plated finish. The head is hex head with a 9/16 inch width and 15/64 inch height.
Hex cap bolt made of Grade 2 steel with a zinc plated finish. It is 1-1/2 in. long with coarse 13-thread size and a hex head. The bolt size is 1/2-13 x 1-1/2 in., and the head width is 3/4 in. with a head height of 5/16 in.

55824J

Hex cap bolt made of Grade 2 steel with a zinc plated finish. It is 1-1/2 in. long with coarse 13-thread size and a hex head. The bolt size is 1/2-13 x 1-1/2 in., and the head width is 3/4 in. with a head height of 5/16 in.
A 1/2-13 x 2 inch hex head bolt. It is made of Grade 2 steel and has a zinc plated finish. The bolt is partial threaded with coarse threads and is intended for general fastening applications.

55832J

A 1/2-13 x 2 inch hex head bolt. It is made of Grade 2 steel and has a zinc plated finish. The bolt is partial threaded with coarse threads and is intended for general fastening applications.
Hex cap bolt with a 1/4"-20 thread size and 2-1/2" length. It is made of Grade 2 steel with a zinc plated finish and a silver head color. The bolt has a hex head with a 7/16" head width and 5/32" head height.

55040J

Hex cap bolt with a 1/4"-20 thread size and 2-1/2" length. It is made of Grade 2 steel with a zinc plated finish and a silver head color. The bolt has a hex head with a 7/16" head width and 5/32" head height.

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.