--- product_id: 390327021 title: "Bed Bolts HEAVY DUTY M8/8mm /Replacement/Fixing Kits Square end/Block Nuts (1 Square Nut + 1 Bolt)" brand: "ksm brand" price: "$23.26" currency: USD in_stock: true category: "Ksm Brand" url: https://www.desertcart.ec/products/390327021-bed-bolts-heavy-duty-m8-8mm-replacement-fixing-kits-square store_origin: EC region: Ecuador --- # 35mm square nut length M8/8mm precision fit Grade 10.9 alloy steel strength Bed Bolts HEAVY DUTY M8/8mm /Replacement/Fixing Kits Square end/Block Nuts (1 Square Nut + 1 Bolt) **Brand:** ksm brand **Price:** $23.26 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your bed’s backbone with heavy-duty precision! ## Quick Answers - **What is this?** Bed Bolts HEAVY DUTY M8/8mm /Replacement/Fixing Kits Square end/Block Nuts (1 Square Nut + 1 Bolt) by ksm brand - **How much does it cost?** $23.26 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/390327021-bed-bolts-heavy-duty-m8-8mm-replacement-fixing-kits-square) ## Best For - ksm brand enthusiasts ## Why This Product - Trusted ksm brand brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision M8 Threading:** Ensures a secure, tight fit with metric M8 right-hand thread standard. - • **Optimized Length Design:** 70mm bolt length fits deep side rails, accommodating various bed frame depths effortlessly. - • **Premium Alloy Steel Durability:** Crafted from high-grade 10.9 alloy steel for long-lasting, heavy-duty performance. - • **Sleek Matte Black Oxide Finish:** Combines corrosion resistance with a modern, professional look for your bed hardware. - • **Universal Metal Bed Compatibility:** Fits single, double, king, and bunk metal bed rails with 10x10mm square cutouts. ## Overview This KSM Brand heavy-duty bed bolt and square nut set features M8 metric threading and a 35mm square nut designed to fit most metal bed frames including singles, doubles, kings, and bunk beds. Made from premium Grade 10.9 alloy steel with a matte black oxide finish, it offers superior strength and corrosion resistance. Perfect for replacing lost or worn fixings, its 70mm bolt length ensures compatibility with deep side rails, making it an essential upgrade for durable, secure bed assembly. ## Description Please check measurements before ordering. If you have Lost you beds fixings? These screws fit on many types of Metal beds , Metal side rails of Single , Double , Kingsize and especially bunk beds rails.Often found in 3ft single, double and King size metal beds…as well as metal bunk beds. If your side rails have a square part cut through them and the square shape cut out is approx 10mm x 10mm then these will fit. The length of the square nut is 35mm.The long bolts are total length of cm long. It doesn’t matter if our bolts are too long because they can still fit down inside the side rail. Please check measurements before ordering. Metal bed bunk bed fixing bolt 70mm + block nut replacement spare beds fitting fixing Spare replacement metal bolt 8mm metal beds bunk bed. Square end bolt nut fixing Please check measurements before ordering. ## Features - Please check measurements before ordering. If you have Lost you beds fixings? These screws fit on many types of Metal beds , - Metal side rails of Single , Double , Kingsize and especially bunk beds rails.Often found in 3ft single, double and King size metal beds…as well as metal bunk beds. - If your side rails have a square part cut through them and the square shape cut out is approx 10mm x 10mm then these will fit. The length of the square nut is 35mm.The long bolts are total length of cm long. It doesn’t matter if our bolts are too long because they can still fit down inside the side rail. Please check measurements before ordering. - Metal bed bunk bed fixing bolt 70mm + block nut replacement spare beds fitting fixing Spare replacement metal bolt 8mm metal beds bunk bed. - Square end bolt nut fixing Please check measurements before ordering. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09K7TNT3H | | Best Sellers Rank | 148,061 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,097 in Nut & Bolt Sets | | Brand Name | KSM Brand | | Colour | Silver | | Compatible Groove Diameter | 1E+1 Millimeters | | Country Of Origin | United Kingdom | | Customer Reviews | 4.8 4.8 out of 5 stars (17) | | Exterior Finish | Black Oxide | | Fastener Size | M8 | | Fastener Type | Square | | Finish Types | matte | | Grade Rating | Class 10.9 | | Item Hardness | Grade 10.9 | | Manufacturer | KSM Brand | | Manufacturer Grade | High | | Manufacturer Part Number | 1 | | Material Type | Alloy Steel | | Metal | Alloy Steel | | Number of Packs | 1 | | Number of Pieces | 2 | | Screw Head Style | Square | | Set Screw Thread Type | Metric | | Size | 1 Square Nut + 1 Bolt | | Thread Size | M8 | | Thread Style | Right Hand | | Unit Count | 1.0 count | ## Product Details - **Exterior finish:** Black Oxide - **Head style:** Square - **Manufacturer grade:** High - **Material:** Alloy Steel - **Thread size:** M8 ## Images ![Bed Bolts HEAVY DUTY M8/8mm /Replacement/Fixing Kits Square end/Block Nuts (1 Square Nut + 1 Bolt) - Image 1](https://m.media-amazon.com/images/I/41mDhHeFdNL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Bed Bolts HEAVY DUTY M8/8mm /Replacement/Fixing Kits Square end/Block Nuts (1 Square Nut + 1 Bolt) - M8 Penny Repair Washers (20 PACK) 8.4mm x 25mm A2 Stainless Steel Large Flat Repair Washer Free UK Delivery - M16 x 50mm Penny Washers, A2 304 Stainless Steel Flat Repair Washer, Large Metal Plain Round Chrome for Screws & Bolts (Pack of 5) --- ## 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.ec/products/390327021-bed-bolts-heavy-duty-m8-8mm-replacement-fixing-kits-square](https://www.desertcart.ec/products/390327021-bed-bolts-heavy-duty-m8-8mm-replacement-fixing-kits-square) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-09-14*