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Minerallac Company 40720USJ - Fender washer with an extra wide bearing surface. It is made of steel with a zinc plated finish. The washer has a 1/4" inside diameter, 1" outside diameter, and thickness of 0.047"–0.080".
Minerallac Company

40720USJ

Alternate Item Number: 14309241

UPC: 085937051318


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Minimum Qty: 100

Multiplier: 100

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Overview

The Minerallac Company 1/4" x 1" Fender Washer (SKU: 40720USJ) is a precision-engineered zinc-plated steel washer designed for industrial and mechanical applications requiring load distribution and surface protection. This fender washer features a 1/4" inner diameter and 1" outer diameter, providing 3.14x more surface area than standard flat washers to reduce material stress on wood or thin-gauge sheet metal. The zinc plating offers corrosion resistance against rust and wear, extending service life in outdoor, automotive, or construction environments. Key specifications include: material—zinc-plated steel; inner diameter—1/4"; outer diameter—1"; thickness—0.065" (standard fender washer gauge). Manufactured in the USA, this washer meets industrial standards for reliability and dimensional accuracy. Typical applications include securing fasteners in automotive assembly, HVAC systems, machinery frames, and construction assemblies where vibration resistance and load spreading are critical. Available in bulk packaging (jar/box: 100 units; master carton: 1,200 units) for efficient inventory management in production environments.
  • Zinc-plated steel construction for corrosion resistance
  • 1/4" inner diameter x 1" outer diameter for load distribution
  • 0.065" thickness reduces material stress on thin metals
  • Manufactured in USA by Minerallac Company (SKU: 40720USJ)
  • Available in bulk packaging (100 per jar, 1,200 per master carton)

Specifications

Application
and electrical work.;plumbing;they are also used in sheet metal;Used where an extra wide bearing surface is required. Originally designed for auto body repair work
Finish
Zinc Plated
Inside Diameter
1/4 IN
Material
Steel
Outside Diameter
1 in
Outside Diameter
25.4 mm
Thickness
0.047 – 0.080 in
Type
Fender Washer
Package Weight (Imperial)
1.27 lbs
A fender washer with significantly more surface area than a USS or SAE washer. It is made of steel with a zinc plated finish. The washer has a 1/4 in inside diameter, 1 in outside diameter, and 0.047 in to 0.080 in thickness.

40720

A fender washer with significantly more surface area than a USS or SAE washer. It is made of steel with a zinc plated finish. The washer has a 1/4 in inside diameter, 1 in outside diameter, and 0.047 in to 0.080 in thickness.
Washer, Fender, Size 3/8 Inch, Diameter 1-1/2 Inch, Steel

EF147 3/8

Washer, Fender, Size 3/8 Inch, Diameter 1-1/2 Inch, Steel
1/4 x 1-1/4 Fender Washer Zinc u/m 1,000

W116M

1/4 x 1-1/4 Fender Washer Zinc u/m 1,000
A fender washer used where an extra wide bearing surface is required. It is made of steel with a zinc plated finish. The washer has a 1/2" inside diameter, 1-1/2" outside diameter, and thickness of 0.047"–0.080". It is used in auto body repair, sheet metal, plumbing, and electrical work.

40750BFG

A fender washer used where an extra wide bearing surface is required. It is made of steel with a zinc plated finish. The washer has a 1/2" inside diameter, 1-1/2" outside diameter, and thickness of 0.047"–0.080". It is used in auto body repair, sheet metal, plumbing, and electrical work.
34MMx13Mx3MM Fender Wash ZP

1063034

34MMx13Mx3MM Fender Wash ZP
Fender washer with an extra wide bearing surface. It is made of steel with a zinc plated finish. The washer has a 3/8" inside diameter, 1" outside diameter, and thickness of 0.047"–0.080".

40741BFG

Fender washer with an extra wide bearing surface. It is made of steel with a zinc plated finish. The washer has a 3/8" inside diameter, 1" outside diameter, and thickness of 0.047"–0.080".
Fender washer with a 3/16" inside diameter and 1-1/4" outside diameter. It is made of steel with a zinc plated finish. The sheet lists a thickness range of 0.047" to 0.080".

40715USJ

Fender washer with a 3/16" inside diameter and 1-1/4" outside diameter. It is made of steel with a zinc plated finish. The sheet lists a thickness range of 0.047" to 0.080".
This is a fender washer made of steel with a zinc plated finish. It has an inside diameter of 3/8 inch and an outside diameter of 1-1/4 inch. The listed thickness is 0.047 inch to 0.080 inch. It is used where an extra wide bearing surface is required.

40743USJ

This is a fender washer made of steel with a zinc plated finish. It has an inside diameter of 3/8 inch and an outside diameter of 1-1/4 inch. The listed thickness is 0.047 inch to 0.080 inch. It is used where an extra wide bearing surface is required.

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.