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Minerallac Company 40611 - A hardened circular washer with twisted prongs or teeth extending from the outer edge. It is an external locking washer made of steel with a zinc plated finish. The fastener size is #8.
Minerallac Company

40611

Alternate Item Number: 12113988

UPC: 085937406118


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Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

The Minerallac Company SKU 40611 is a #8 external tooth lock washer designed to provide robust fastening security in applications prone to vibration. Constructed from hardened steel with a durable zinc-plated finish, this washer features twisted external teeth that effectively bite into both the fastener head and the mating surface. This mechanical locking action creates superior resistance to loosening under dynamic loads, outperforming standard split lock washers in demanding industrial environments. The external tooth design ensures a secure connection, preventing rotational back-off and maintaining joint integrity over time. It is RoHS Compliant. Each washer is sized for standard #8 fasteners. The zinc-plated steel construction makes it suitable for indoor and protected outdoor use. This product is supplied in jars of 1000 pieces, facilitating bulk purchasing and efficient inventory management. While not UL-listed or Buy America Act compliant, it meets general-purpose fastening requirements where these certifications are not mandated. Typical applications include machinery assembly, electrical panel installations, automotive systems, HVAC equipment, and general construction where vibration resistance is a critical factor. For applications requiring enhanced corrosion resistance in harsh environments, consider Minerallac SKU 70911J, which is constructed from Type 18-8 stainless steel. Minerallac Company can be contacted at 800-927-3293 or www.minerallac.com for further technical support and ordering information. The UNSPSC Code for this product is 31161822.
  • Hardened steel construction for durability
  • Zinc-plated finish for corrosion resistance
  • External twisted teeth provide superior locking action
  • #8 size for compatibility with standard fasteners
  • Supplied in jars of 1000 pieces for bulk procurement
  • RoHS Compliant
  • Manufactured in Taiwan

Specifications

Fastener Size
#8
Finish
Zinc Plated
Material
Zinc Plated Steel
Material
Steel
Material
Hardened Steel
Material
Zinc-Plated Steel
Material
Hardened Steel with Zinc Plated Finish
Material
Hardened Steel with Zinc-Plated Finish
Material
Zinc-plated hardened steel
Series
Minerallac’s toothed lock washer series
Size
#8
Size
8 x 3/4 inches
Type
External Locking Washer
Package Weight (Imperial)
0.05 lbs
An external locking washer for #8 fasteners. It is made of steel with a zinc plated finish. The sheet identifies it as a lock washer in jar packaging.

40611J

An external locking washer for #8 fasteners. It is made of steel with a zinc plated finish. The sheet identifies it as a lock washer in jar packaging.
M4 (0.7) x 16mm Metric Flat Head Phillips Din 965 Machine Screw Steel Zinc

JLWX8SB

M4 (0.7) x 16mm Metric Flat Head Phillips Din 965 Machine Screw Steel Zinc
A hardened circular washer with twisted prongs or teeth extending inward from the inside edge. It is a 5/16 in internal locking washer made of steel with a zinc plated finish. It is used as a tooth lock washer.

40625

A hardened circular washer with twisted prongs or teeth extending inward from the inside edge. It is a 5/16 in internal locking washer made of steel with a zinc plated finish. It is used as a tooth lock washer.
This is a #10 external tooth lock washer. It is made of 18-8 stainless steel. The sheet identifies it as a jar package. External tooth lock washers are used where locking efficiency and torsional resistance are needed.

70916J

This is a #10 external tooth lock washer. It is made of 18-8 stainless steel. The sheet identifies it as a jar package. External tooth lock washers are used where locking efficiency and torsional resistance are needed.
This is a 1/2" external tooth lock washer. It is made of 18-8 stainless steel. The external teeth are on the largest radius to provide greater locking efficiency and torsional resistance.

70941J

This is a 1/2" external tooth lock washer. It is made of 18-8 stainless steel. The external teeth are on the largest radius to provide greater locking efficiency and torsional resistance.
A hardened circular washer with twisted prongs or teeth that extend inward from the inside edge of the washer. It is made of steel with a zinc plated finish. The fastener size is #8.

40610

A hardened circular washer with twisted prongs or teeth that extend inward from the inside edge of the washer. It is made of steel with a zinc plated finish. The fastener size is #8.
A hardened circular internal locking washer with twisted prongs or teeth extending inward from the inside edge. It is made of steel with a zinc plated finish. The fastener size is 1/4 in.

40620

A hardened circular internal locking washer with twisted prongs or teeth extending inward from the inside edge. It is made of steel with a zinc plated finish. The fastener size is 1/4 in.
A hardened circular external tooth lock washer with twisted prongs extending from the outer edge. It is made of steel with a zinc plated finish. The fastener size is 1/4 in.

40621

A hardened circular external tooth lock washer with twisted prongs extending from the outer edge. It is made of steel with a zinc plated finish. The fastener size is 1/4 in.

Frequently Asked Questions

What size screws does this washer fit?

This washer is designed for #8 screws and bolts.

What material is the washer made from?

The washer is made from zinc-plated steel.

How does the external tooth design work?

The external teeth bite into both the screw head and mating surface to resist loosening from vibration.

Is this washer corrosion resistant?

Yes, the zinc plating provides corrosion resistance for reliable performance.

What are the available packaging options?

Available in bulk jars of 1000 (e.g., SKU 26813-6, 14813-6, 10812-6, 79512-6).

Where is this washer manufactured?

This washer is manufactured in the USA by Minerallac Company.

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.