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Minimum Qty: 100
Multiplier: 100
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Overview
- Hardened steel construction for durability
- Zinc-plated finish for corrosion resistance
- Split circular design with trapezoidal wire section for vibration resistance
- Thickness: 0.056 in (1.42 mm)
- Outside Diameter: 0.377 in (9.58 mm)
- Inside Diameter: 0.227 in (5.77 mm)
- Optimized for #12 fasteners
- 12-count pack
- Manufactured in the USA
Specifications
Application | Provides a hardened bearing surface, creating more uniform torque control and load distribution. |
Color | Silver |
Finish | Zinc Plated |
Inside Diameter | 0.227" IN |
Material | Carbon Steel |
Material | Hardened Steel with Zinc-Plated Finish |
Material | Hardened Carbon Steel |
Material | Hardened carbon steel with zinc plating |
Material | Zinc-plated carbon steel |
Material | Carbon Steel with Zinc Plating |
Material | Zinc Plated Steel |
Material | Zinc |
Material | Hardened Steel |
Material | Steel |
Outside Diameter | 0.377" IN |
Rockwell Hardness | C38 - 43 |
Size | #12 Medium Split Lock Washer | 0.250" ID x 0.500" OD x 0.032" Thick |
Size | 0.056" Thick, 0.377" OD, 0.227" ID |
Size | #12 split lock washer (0.377 in OD, 0.227 in ID, 0.056 in thickness) |
Size | #12 |
Size | #12 (13/64") |
Size | #12 Medium Split Lock Washer (ID: 0.250", OD: 0.500") |
Size | #12 Medium Split Lock Washer |
Size | #12 (0.250" ID x 0.500" OD) |
Size | 0.250" ID x 0.500" OD (#12 Medium Split Lock Washer) |
Size | 0.250" ID x 0.500" OD (#12) |
Size | 0.250" ID x 0.500" OD |
Size | #12, 0.250" ID x 0.500" OD |
Size | 0.250" ID x 0.500" OD x 0.032" Thick |
Size | 13/64" |
Special Features | Applies greater bolt tension per unit of applied torque. Resists loosening caused by vibration and corrosion. |
Thickness | 0.056" IN |
Type | Split Lock Washer |
Package Weight (Imperial) | 0.15 lbs |
40525USJ
A 1/4 inch split lock washer. It is made of steel with a zinc plated finish and is supplied in a jar. The washer is designed to apply greater bolt tension per unit of applied torque, resist loosening from vibration and corrosion, and provide a hardened bearing surface for more uniform torque control and load distribution.
40535
A coiled, hardened split circular lock washer with a slightly trapezoidal wire section. It is made of steel with a zinc plated finish. Key dimensions are 0.094 in thickness, 0.680 in outside diameter, and 0.385 in inside diameter.
40540
A coiled, hardened split circular washer with a slightly trapezoidal wire section. It is made of steel with a zinc plated finish. The washer has a thickness of 0.125 in, an outside diameter of 0.869 in, and an inside diameter of 0.512 in.
40510
A coiled, hardened split circular lockwasher with a slightly trapezoidal wire section. It is made of steel with a zinc-plated finish and is intended to provide a hardened bearing surface for more uniform torque control and load distribution. The washer has a thickness of 0.040 in, an outside diameter of 0.293 in, and an inside diameter of 0.174 in.
40505
A coiled, hardened split circular washer with a slightly trapezoidal wire section. It is made of steel with a zinc-plated finish and is intended to provide a hardened bearing surface for more uniform torque control and load distribution. The washer measures 0.031 in thick, with a 0.250 in outside diameter and a 0.148 in inside diameter.
40550
A split lock washer for use with 3/4" bolt sizes. It is made of steel with a zinc plated finish and silver color. The washer has an outside diameter of 1.265", an inside diameter of 0.780", and a thickness of 0.188". Rockwell hardness is C38 - 43.
40535BFG
3/8 in. split lock washer in medium size. It is made of steel with a zinc plated finish and silver color. The washer has a thickness of 0.094 in., an outside diameter of 0.680 in., and an inside diameter of 0.385 in. Rockwell hardness is C38 - 43.Frequently Asked Questions
What is the inner diameter of this lock washer?
The inner diameter of the Minerallac #12 Split Lock Washer is 0.250 inches.
What is the outer diameter of the #12 split lock washer?
The outer diameter of the Minerallac #12 Split Lock Washer is 0.500 inches.
What material is the Minerallac #12 lock washer made from?
The Minerallac #12 Split Lock Washer is made from zinc-plated carbon steel.
Where is this Minerallac lock washer manufactured?
This Minerallac lock washer is manufactured in the USA.
What is the purpose of the split design in this washer?
The split design creates tension between the bolt head and the mating surface to prevent loosening.
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.