--- product_id: 92938528 title: "Self Locking Washers Round (500) - Made in USA" brand: "brb products" price: "€ 128.46" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.at/products/92938528-self-locking-washers-round-500-made-in-usa store_origin: AT region: Austria --- # 1.5 inch diameter precision Fits 12 gauge pins perfectly Galvanized corrosion resistance Self Locking Washers Round (500) - Made in USA **Brand:** brb products **Price:** € 128.46 **Availability:** ✅ In Stock ## Summary > 🔩 Lock it down, never back down! ## Quick Answers - **What is this?** Self Locking Washers Round (500) - Made in USA by brb products - **How much does it cost?** € 128.46 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/92938528-self-locking-washers-round-500-made-in-usa) ## Best For - brb products enthusiasts ## Why This Product - Trusted brb products brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fit:** 1.5 inch diameter with 0.1 inch center hole for exact pin compatibility - • **Versatile Application:** Perfect for automotive, machinery, construction & electrical use - • **Made in the USA Quality:** Crafted with premium materials ensuring reliability - • **Vibration-Proof Security:** Locks nuts & bolts tight, no loosening under stress - • **Industrial-Grade Durability:** Mild steel with galvanized coating for long-lasting strength ## Overview These 1.5-inch self-locking washers, made from galvanized mild steel in the USA, are engineered to prevent loosening of nuts and bolts in high-vibration environments. Ideal for automotive, industrial, and construction applications, they ensure secure, durable fastening with precision fit for 12 gauge pins. ## Description These round self-locking washers are made of mild steel, with a galvanized coating; each washer is 1.5 in. Used in conjunction with weld pins, insulation anchors or lacing anchors to fasten insulation in place. Nail, glue or screw the insulation plate with pin to the ceiling or wall, then impale the insulation board into the insulation pin. Finish by pushing the self locking washers onto the insulation pin. For best results, distribute the insulation nails evenly. Do not to compress the insulation when installing the self-locking washers. Hanger loading should not exceed 3 pounds per hanger (0.75 pounds per square inch). ## Features - These locking washers measure 1.5 inches or 3.8 centemeter in diameter, 0.1 inch center hole diameter. Works with 12 gauge pins - Made of mild steel, with a galvanized coating - Strong durability, and corrosion resistant - Made in America with high quality materials - Designed to prevent nuts and bolts from loosening due to vibration or torque. - Ideal for use in machinery and automotive applications to maintain tight connections. - Suitable for environments with high levels of vibration, such as engines, heavy machinery, and industrial equipment. - Used in construction projects to ensure stability and safety of structural connections. - Utilized in electrical installations to secure components and prevent loosening of connections. - Essential for automotive repairs to ensure that nuts and bolts remain securely fastened under driving conditions. ## Product Details - **Material:** Carbon Steel - **Outside Diameter:** 1.5 Inches - **Washer Type:** Lock - **Exterior Finish:** galvanized - **Fastener Size:** 1.5 inches ## Images ![Self Locking Washers Round (500) - Made in USA - Image 1](https://m.media-amazon.com/images/I/311MI87LwEL.jpg) ![Self Locking Washers Round (500) - Made in USA - Image 2](https://m.media-amazon.com/images/I/61sxirahH5L.jpg) ![Self Locking Washers Round (500) - Made in USA - Image 3](https://m.media-amazon.com/images/I/71Pzs415emL.jpg) ![Self Locking Washers Round (500) - Made in USA - Image 4](https://m.media-amazon.com/images/I/71kWsj3HH+L.jpg) ![Self Locking Washers Round (500) - Made in USA - Image 5](https://m.media-amazon.com/images/I/61AXuXzpUPL.jpg) ## Available Options This product comes in different **Item Package Quantity** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ good *by B***0 on October 11, 2024* worked well ### ⭐⭐⭐⭐⭐ Just what my husband was looking for, It did the job. *by A***I on June 4, 2024* Used as a locking mechanism for the bird netting for the solar roof panels. ### ⭐⭐⭐⭐⭐ Great for my intended purpose. *by G***R on August 6, 2021* Used these with sheet metal screws to secure insulation to ductwork. I faced the bevel into the insulation to help grab it. ## Frequently Bought Together - Self Locking Washers Round (500) - Made in USA - Perforated Insulation Pins, Hangers, 6-1/2", 500 Pieces, Made in USA --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/92938528-self-locking-washers-round-500-made-in-usa](https://www.desertcart.at/products/92938528-self-locking-washers-round-500-made-in-usa) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-04-23*