--- product_id: 522452258 title: "Instockbolt 3/8\" x 0.68\"OD Split Lock Washer, 18-8 (304) Stainless Steel Spring Lock Washer 50PCS" brand: "instockbolts" price: "£6.49" currency: GBP in_stock: true reviews_count: 8 url: https://www.desertcart.co.uk/products/522452258-instockbolt-3-8-x-0-68od-split-lock-washer-18 store_origin: GB region: United Kingdom --- # 3/8" diameter precision fit 18-8 (304) stainless steel durability 50-piece bulk pack for projects Instockbolt 3/8" x 0.68"OD Split Lock Washer, 18-8 (304) Stainless Steel Spring Lock Washer 50PCS **Brand:** instockbolts **Price:** £6.49 **Availability:** ✅ In Stock ## Summary > 🔩 Lock it down like a pro — no slip, no stress! ## Quick Answers - **What is this?** Instockbolt 3/8" x 0.68"OD Split Lock Washer, 18-8 (304) Stainless Steel Spring Lock Washer 50PCS by instockbolts - **How much does it cost?** £6.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/522452258-instockbolt-3-8-x-0-68od-split-lock-washer-18) ## Best For - instockbolts enthusiasts ## Why This Product - Trusted instockbolts brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fit, Zero Slip:** 3/8" split lock washer engineered to bite and lock securely under nuts, preventing loosening in high-stress applications. - • **Trusted by Makers & Builders:** Top-rated with 4.8 stars from 700+ reviews, a go-to choice for reliable fastening in industrial and home setups. - • **Bulk Pack for Continuous Builds:** 50 washers per pack to keep your projects moving without interruption—perfect for pros and DIYers alike. - • **Premium Stainless Steel Strength:** Crafted from corrosion-resistant 18-8 (304) stainless steel for lasting performance and sleek silver finish. - • **Dedicated Support, Zero Guesswork:** 24/7 customer service ready to help you pick the perfect size and solve any after-sales questions. ## Overview Instockbolt’s 3/8" x 0.68" OD split lock washers are precision-engineered from premium 18-8 (304) stainless steel, delivering superior corrosion resistance and reliable locking power. Sold in a convenient 50-piece pack, these washers ensure your bolts stay tight in demanding industrial or DIY projects. With a top customer rating and dedicated support, they’re the trusted choice for professionals who refuse to compromise on quality or performance. ## Description Product description Review: Exactly what I needed to complete a Ninja course build! - I've been building a Ninja obstacle course in our basement, and these lock washers were exactly what I needed to assist with keeping the bolts in place. I wanted something that was going to be strong and the exact size I needed. These were perfect for both! I also wanted a good quality build, and the stainless steel material was exactly what I was looking for. For the price I paid, these were a great value, and true to size! Review: Nice and a great price! - Item as described. Feel well made and did their job. Would recommend. ## Features - 【Dimension】3/8" - 【High Quality Stainless】This split lock washer provides a circular bearing surface with offset split ends which help bite into the mating material to provide a locking feature when tightened beneath a nut. - 【What You Get】50pcs x Split Lock Washer - 【Rest Assured】24h private customer service to respond to after-sales problems.If you don't know what size is right for you, feel free to contact us. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09WM7Z5G5 | | Best Sellers Rank | #2,525 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Spring Lock Washers | | Brand | Instockbolts | | Color | Silver | | Compatible Groove Diameter | 0.38 Inches | | Customer Reviews | 4.8 out of 5 stars 727 Reviews | | Exterior Finish | Stainless Steel | | Fastener Size | 3/8 | | Fastener Type | Split Lock Washer | | Item Diameter | 0.38 Inches | | Item Weight | 0.15 Kilograms | | Manufacturer | Instockbolts | | Material | Stainless Steel | | Material Type | Stainless Steel | | Metal Type | Stainless Steel | | Model | 3/8"SLW | | Number Of Items | 50 | | Number of Pieces | 50 | | Outside Diameter | 0.68 Inches | | Part Number | 3/8"SLW | | Screw Head Style | Split | | Size | 9.5 mm | | Size Name | 9.5 mm | | Thread Size | 3/8 | | UPC | 740727772025 | | Unit Count | 50.0 Count | | Washer Type | Split Lock | ## Product Details - **Exterior Finish:** Stainless Steel - **Fastener Size:** 3/8 - **Material:** Stainless Steel - **Outside Diameter:** 0.68 Inches - **Washer Type:** Split Lock ## Images ![Instockbolt 3/8" x 0.68"OD Split Lock Washer, 18-8 (304) Stainless Steel Spring Lock Washer 50PCS - Image 1](https://m.media-amazon.com/images/I/51oLWntoyHL.jpg) ## Available Options This product comes in different **Color, Size, Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Exactly what I needed to complete a Ninja course build! *by R***R on March 20, 2026* I've been building a Ninja obstacle course in our basement, and these lock washers were exactly what I needed to assist with keeping the bolts in place. I wanted something that was going to be strong and the exact size I needed. These were perfect for both! I also wanted a good quality build, and the stainless steel material was exactly what I was looking for. For the price I paid, these were a great value, and true to size! ### ⭐⭐⭐⭐⭐ Nice and a great price! *by S***Y on May 5, 2026* Item as described. Feel well made and did their job. Would recommend. ### ⭐⭐⭐⭐⭐ Solid Value *by J***C on March 31, 2026* Good price for quality lock washers. Restocked my bolt bin. --- ## 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.co.uk/products/522452258-instockbolt-3-8-x-0-68od-split-lock-washer-18](https://www.desertcart.co.uk/products/522452258-instockbolt-3-8-x-0-68od-split-lock-washer-18) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-25*