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Minerallac Company 57280 - Hex head lag bolt for use in wood in non-corrosive environments. It is made of steel with a zinc plated finish. The bolt is 5.000 in. long, has a 0.250 in. diameter, and 9 TPI thread.
Minerallac Company

57280

Alternate Item Number: 12114429

UPC: 085937572806


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Overview

The Minerallac Company 57280 is a 5/16" diameter by 5" length hex head lag screw. This fastener is constructed from Type 18-8 Stainless Steel, offering excellent corrosion resistance for both interior and exterior wood construction applications. The zinc plating (ZP) further enhances its durability in moisture-prone environments. Designed for structural applications requiring high torque and reliable connections, the hex head allows for easy installation with standard wrenches or sockets, ensuring a secure fit. Manufactured in the US by Minerallac, a trusted name in industrial fasteners. This lag screw is primarily used in wood applications for heavier load requirements.
  • 5/16" diameter x 5" length
  • Hex head for easy installation with wrenches/sockets
  • Type 18-8 Stainless Steel construction
  • Zinc-plated (ZP) for enhanced corrosion resistance
  • Designed for secure wood construction and structural applications

Specifications

Application
For use in wood in non-corrosive environments.
Diameter
0.250" IN
Finish
Zinc Plated
Head Type
Hex Head
Length
5.000" IN
Material
Steel
Size
5/16"–9 x 5" IN
Tensile Strength
60,000 psi. minimum
Thread
9 TPI
Type
Lag Bolt
This is a lag bolt with a hex head and zinc plated finish. It is made of steel and is intended for use in wood in non-corrosive environments. The screw is 5.000 in long, with a 0.250 in diameter and 10 thread size.

57080

This is a lag bolt with a hex head and zinc plated finish. It is made of steel and is intended for use in wood in non-corrosive environments. The screw is 5.000 in long, with a 0.250 in diameter and 10 thread size.
3/8 x 1-3/4 Hex Lag Bolt Zinc

JBLS47

3/8 x 1-3/4 Hex Lag Bolt Zinc
Screw, Lag Bolt, Size 1/2 x 4 Inch, Electro-Galvanized Steel

E150S-1/2X4EG

Screw, Lag Bolt, Size 1/2 x 4 Inch, Electro-Galvanized Steel
Lag bolt for use in wood in non-corrosive environments. It is made of steel with a zinc plated finish. The bolt has a hex head, is 6.000" long, and has a 0.250" diameter with 10 threads per inch. Tensile strength is 60,000 psi minimum.

57096

Lag bolt for use in wood in non-corrosive environments. It is made of steel with a zinc plated finish. The bolt has a hex head, is 6.000" long, and has a 0.250" diameter with 10 threads per inch. Tensile strength is 60,000 psi minimum.
This is a hex head lag bolt specified as 5/16 x 5. It is zinc plated. The sheet identifies it as catalog number 57280J.

57280J

This is a hex head lag bolt specified as 5/16 x 5. It is zinc plated. The sheet identifies it as catalog number 57280J.
A 1/4 x 4-1/2 inch lag screw with a hex head. It is zinc plated. The sheet identifies it as catalog number 57072J.

57072J

A 1/4 x 4-1/2 inch lag screw with a hex head. It is zinc plated. The sheet identifies it as catalog number 57072J.
This is a lag bolt with a hex head, made of steel with a zinc plated finish. It is 6.000 inches long and sized 5/16"–9 x 6" with a 0.250" diameter. The sheet states a minimum tensile strength of 60,000 psi and notes use in wood in non-corrosive environments.

57296

This is a lag bolt with a hex head, made of steel with a zinc plated finish. It is 6.000 inches long and sized 5/16"–9 x 6" with a 0.250" diameter. The sheet states a minimum tensile strength of 60,000 psi and notes use in wood in non-corrosive environments.
Lag bolt for use in wood in non-corrosive environments. It is made of steel with a zinc plated finish and has a hex head. The screw is 4.500 in long, 0.250 in in diameter, with size 1/4"–10 x 4-1/2" and 10 threads.

57072

Lag bolt for use in wood in non-corrosive environments. It is made of steel with a zinc plated finish and has a hex head. The screw is 4.500 in long, 0.250 in in diameter, with size 1/4"–10 x 4-1/2" and 10 threads.

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.