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Minerallac Company 70330J - Flat cut washers used to improve stress distribution and span large clearance holes. They are made of 18-8 stainless steel with a stainless finish and silver color. The washer fits 5/16" bolts and has an outside diameter of 0.703", inside diameter of 0.359", and thickness of 0.080".
Minerallac Company

70330J

Alternate Item Number: 13852562

UPC: 085937028952


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Overview

The Minerallac Company SKU 70330J is a 5/16" flat cut washer made from 18-8 stainless steel, offering excellent corrosion resistance for applications exposed to moisture or corrosive elements. This material grade provides inherent strength and longevity, reducing replacement frequency in demanding environments. The flat cut design ensures a uniform bearing surface, effectively distributing load and preventing damage to fastened materials. Packaged in a convenient jar, these washers are readily accessible for assembly, maintenance, and repair projects. Ideal for industrial and commercial settings, the 70330J washer is a fundamental component for secure and reliable connections. Its straightforward design and robust material make it a practical choice for standard fastening applications requiring a flat washer. Compatible with 5/16" fasteners, these washers meet UNSPSC code 31161800 and are manufactured in the US.
  • Material: 18-8 stainless steel for superior corrosion resistance
  • Size: 5/16" flat cut washer for standard fastening applications
  • Uniform bearing surface distributes load effectively
  • Packaged in a convenient jar for easy access
  • Manufactured in the US with UNSPSC code 31161800

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
Silver
Finish
Stainless
Fits Bolt Sizes
5/16 IN
Inside Diameter
0.359 in
Inside Diameter
9.1186 mm
Material
18-8 Stainless Steel
Material Quality
18-8 Stainless Steel
Outside Diameter
0.703 in
Outside Diameter
17.8562 mm
Size
5/16 Inch
Size
5/16"
Special Features
and to span large clearance holes.;Flat washers are used to improve stress distribution
Thickness
0.08 in
Thickness
2.032 mm
Type
Flat Cut Washer
Package Weight (Imperial)
0.45 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 18-8 stainless steel with a stainless finish. The washer fits 5/16 bolt sizes and has a 0.080 in thickness, 0.703 in outside diameter, and 0.359 in inside diameter.

70330

A flat cut washer for use around a bolt or screw between the fastener bearing surface and the attached part. It is made of 18-8 stainless steel with a stainless finish. The washer fits 5/16 bolt sizes and has a 0.080 in thickness, 0.703 in outside diameter, and 0.359 in inside diameter.
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E147-1/4SS

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A 5/8 in flat cut washer made from 18-8 stainless steel. The sheet identifies it as a flat cut washer in jar packaging. It is intended for general fastening applications where a flat washer is used.

70345J

A 5/8 in flat cut washer made from 18-8 stainless steel. The sheet identifies it as a flat cut washer in jar packaging. It is intended for general fastening applications where a flat washer is used.
Flat cut washer for use around a bolt or screw to improve stress distribution and span large clearance holes. It is made of steel with a zinc plated finish. The washer fits 1/2" bolt sizes and has an outside diameter of 1.375" and an inside diameter of 0.546".

40340BFG

Flat cut washer for use around a bolt or screw to improve stress distribution and span large clearance holes. It is made of steel with a zinc plated finish. The washer fits 1/2" bolt sizes and has an outside diameter of 1.375" and an inside diameter of 0.546".
#10 flat cut washer made from Type 316 stainless steel. It is a flat washer for general fastening applications. The sheet identifies it as a jar pack.

70315SS316J

#10 flat cut washer made from Type 316 stainless steel. It is a flat washer for general fastening applications. The sheet identifies it as a jar pack.
A 1/2 inch flat cut washer. Made from Type 316 stainless steel. Used as a flat washer in fastening applications.

70340SS316

A 1/2 inch flat cut washer. Made from Type 316 stainless steel. Used as a flat washer in fastening applications.
A 7/16 inch flat cut washer. It is made from 18-8 stainless steel. The sheet identifies it as supplied in a jar.

70337J

A 7/16 inch flat cut washer. It is made from 18-8 stainless steel. The sheet identifies it as supplied in a jar.

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.