Prime-Line 9080139 Flat Washers, USS, 1/2 in. X 1-3/8 in. OD, Zinc Plated Steel (50 Pack)

Prime‑Line flat washers provide essential load distribution and surface protection for a wide range of fastening applications in home repair and improvement projects. Designed with a smooth, flat profile, these washers help spread clamping force evenly, reduce fastener pull‑through, and protect surfaces from damage during installation and use. Ideal for use with bolts, machine screws, and threaded fasteners in furniture assembly, appliances, fixtures, automotive repairs, and general household applications, Prime‑Line flat washers are intended for use with same‑size matching fasteners to ensure proper fit and secure performance. Manufactured from quality materials for durability and consistent thickness, they install easily using standard tools and deliver dependable results. Trusted by DIY homeowners and professionals across the U.S., Prime‑Line flat washers make fastening stronger, more stable, and more reliable.

• Size: 1/2 inch X 1-3/8 inch OD
• Most commonly used and versatile washer
• Increases bearing surface and distributes load over a larger area
• Can be used to prevent a screw or bolt from going into a hole too far
• Can also be used as spacers by stacking more than one