

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The MINERALLAC 40335J is a 3/8 inch flat washer designed for use in electrical, mechanical, and structural fastening applications. Flat washers distribute load across a fastened joint, protect surface finishes, and provide a stable bearing surface for nuts and bolt heads. This washer suits standard 3/8 inch fastener installations and is a common component in conduit support assemblies, panel work, and general trade fastening tasks performed by electricians, HVAC technicians, and plumbers.
The 40335J fits 3/8 inch fastener applications across a wide range of trade and construction settings. It is appropriate for both residential and light commercial work, including conduit hangers, equipment mounting, and structural support hardware. Its compact size and low individual weight make it practical for bulk use in the field.
Designed as a standard OEM-style flat washer for use with 3/8 inch fasteners in electrical conduit, HVAC equipment mounting, plumbing support, and general mechanical assembly applications.
Installation is performed by licensed electricians, HVAC technicians, or plumbers as part of standard fastening procedures. De-energize any electrical systems before working in panel or conduit areas where washers are being installed. Ensure the washer is seated flush against the mating surface before torquing the fastener. Follow applicable NEC or local mechanical code requirements for equipment support and fastening.
Thanks for subscribing!
This email has been registered!