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Minerallac Company 42310J - Flat cut washers designed to improve stress distribution and span large clearance holes. They are used around a bolt or screw between the bearing surface of the fastener and the part it is attached to. This washer is silicon bronze with a bronze finish and copper color.
Minerallac Company

42310J

Alternate Item Number: 14178361

UPC: 085937046574


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Minimum Qty: 100

Multiplier: 100

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Overview

Minerallac Company SKU 42310J features #8 Flat Cut Silicon Bronze Washers, supplied in a jar for bulk applications. These washers are engineered from high-quality silicon bronze, a material renowned for its exceptional corrosion resistance, particularly against saltwater, chlorides, and industrial atmospheres. This makes them ideal for demanding environments such as marine installations, coastal construction, chemical plants, and outdoor electrical systems where standard fasteners would quickly degrade. The #8 size ensures compatibility with common hardware, including bolts and screws used in electrical conduit systems, junction boxes, and various structural assemblies. The flat cut design effectively distributes load, preventing damage to softer materials like wood or plastic. Minerallac, with over a century of experience in electrical fasteners, guarantees these washers meet stringent quality standards for consistent performance and reliability. Their US origin further underscores a commitment to quality manufacturing. These silicon bronze washers are a critical component for electrical contractors, marine builders, and industrial maintenance professionals seeking long-term durability and dependable performance in corrosive conditions.
  • Material: High-grade Silicon Bronze for superior corrosion resistance
  • Size: #8, compatible with standard hardware
  • Design: Flat cut for even load distribution
  • Application: Ideal for marine, coastal, outdoor, and industrial environments
  • Packaging: Supplied in a jar for convenient bulk use

Specifications

Application
between the bearing surface of the fastener and the part to which it is attached.;Washers are designed for assembly around a bolt or screw
Color
Copper
Finish
Bronze
Inside Diameter
0.177 in
Inside Diameter
4.4958 mm
Material
Silicon
Material Quality
Silicon Bronze (Alloy 651)
Outside Diameter
0.375 in
Outside Diameter
9.525 mm
Special Features
and to span large clearance holes.;Flat washers are designed to improve stress distribution
Thickness
0.034 in
Thickness
0.8636 mm
Type
Flat Cut Washer
Package Weight (Imperial)
0.18 lbs
A flat cut washer for use around a bolt or screw between the fastener bearing surface and the attached part. It is made of silicon with a bronze finish. The washer has 16 GA thickness, a 3/4 in outside diameter, and a 5/16 in inside diameter.

42325

A flat cut washer for use around a bolt or screw between the fastener bearing surface and the attached part. It is made of silicon with a bronze finish. The washer has 16 GA thickness, a 3/4 in outside diameter, and a 5/16 in inside diameter.
Transition Washer for Connecting Aluminum/Aluminum, Aluminum/Copper and Aluminum/Copper Lugs and Bus Bar, Outer Diameter 35.6mm (1.4 Inches), Inner Diameter 17.3mm (0.68 Inch), Stud Size 5/8 Inch, Copper Alloy, Tin Plated

DTW58

Transition Washer for Connecting Aluminum/Aluminum, Aluminum/Copper and Aluminum/Copper Lugs and Bus Bar, Outer Diameter 35.6mm (1.4 Inches), Inner Diameter 17.3mm (0.68 Inch), Stud Size 5/8 Inch, Copper Alloy, Tin Plated
3/8" Flat SAE Washer USA Made Zinc

JSW75D

3/8" Flat SAE Washer USA Made Zinc
Flat cut washer designed to improve stress distribution and span large clearance holes. It is made of brass with a copper color finish. The washer has a thickness of 0.034 in, an outside diameter of 0.438 in, and an inside diameter of 0.208 in.

43315J

Flat cut washer designed to improve stress distribution and span large clearance holes. It is made of brass with a copper color finish. The washer has a thickness of 0.034 in, an outside diameter of 0.438 in, and an inside diameter of 0.208 in.
Flat cut washers designed to improve stress distribution and span large clearance holes. They are used around a bolt or screw, between the bearing surface of the fastener and the part to which it is attached. This sheet lists them as silicon bronze with a bronze finish and a copper color.

42335J

Flat cut washers designed to improve stress distribution and span large clearance holes. They are used around a bolt or screw, between the bearing surface of the fastener and the part to which it is attached. This sheet lists them as silicon bronze with a bronze finish and a copper color.
A 1/2 in flat cut washer. It is made from Type 316 stainless steel. The sheet identifies it as catalog number 70340SS316BFG.

70340SS316BFG

A 1/2 in flat cut washer. It is made from Type 316 stainless steel. The sheet identifies it as catalog number 70340SS316BFG.
3/8 SAE flat washer made of low carbon steel. It has a zinc-plated finish and is supplied in a box. The sheet identifies it as a 3/8 inch SAE flat washer.

40336SAEBFG

3/8 SAE flat washer made of low carbon steel. It has a zinc-plated finish and is supplied in a box. The sheet identifies it as a 3/8 inch SAE flat washer.
Flat cut washer for use around a bolt or screw to improve stress distribution and span large clearance holes. Made of steel with a zinc plated finish. It has a thickness of 0.145", an outside diameter of 1.500", and an inside diameter of 0.813" for 3/4" bolt sizes.

40350BFG

Flat cut washer for use around a bolt or screw to improve stress distribution and span large clearance holes. Made of steel with a zinc plated finish. It has a thickness of 0.145", an outside diameter of 1.500", and an inside diameter of 0.813" for 3/4" bolt sizes.

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.