--- product_id: 666976326 title: "X Spring Heavy Duty Bolts and Nuts Kit, 500 PCS Black Hex Socket Head Cap Screws, M3/M4/M5 Thread Fastener Machine Hex Bolts and Nuts Assortment Kit" brand: "x spring" price: "S$32" currency: SGD in_stock: true reviews_count: 1 category: "X Spring" url: https://www.desertcart.sg/products/666976326-x-spring-heavy-duty-bolts-and-nuts-kit-500-pcs store_origin: SG region: Singapore --- # organized portable storage box carbon steel, rust-proof finish 500-piece heavy-duty kit X Spring Heavy Duty Bolts and Nuts Kit, 500 PCS Black Hex Socket Head Cap Screws, M3/M4/M5 Thread Fastener Machine Hex Bolts and Nuts Assortment Kit **Brand:** x spring **Price:** S$32 **Availability:** ✅ In Stock ## Summary > 🔩 Elevate your toolkit game—because every detail counts! ## Quick Answers - **What is this?** X Spring Heavy Duty Bolts and Nuts Kit, 500 PCS Black Hex Socket Head Cap Screws, M3/M4/M5 Thread Fastener Machine Hex Bolts and Nuts Assortment Kit by x spring - **How much does it cost?** S$32 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/666976326-x-spring-heavy-duty-bolts-and-nuts-kit-500-pcs) ## Best For - x spring enthusiasts ## Why This Product - Trusted x spring brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Portable & Organized Storage:** Sturdy divided box keeps your fasteners sorted and ready—grab and go convenience. - • **Sleek Hex Socket Head Design:** Smooth, uniform threads ensure tight, slip-free fastening for professional-grade results. - • **Complete 500-Piece Assortment:** Diverse M3, M4, M5 sizes cover every project need—never run out mid-fix. - • **Premium Carbon Steel Strength:** Rust-resistant, wear-proof bolts built to last through any environment or challenge. - • **Versatile Industrial & DIY Use:** From furniture to motorcycles, this kit powers your creativity and repairs with confidence. ## Overview The X Spring Heavy Duty Bolts and Nuts Kit offers 500 premium carbon steel fasteners in M3, M4, and M5 sizes, all rust-proof and wear-resistant. Packaged in a durable, compartmentalized box, this kit ensures easy access and portability. Designed for professional and DIY use, its hex socket head screws provide secure, slip-resistant fastening across a wide range of applications from machinery to home repairs. ## Description 🔩【Easy to Carry】All of nuts and bolts are packed in a sturdy divided plastic box, various lengths, completely diversified assortment, organized and easy to open and look for, convenient and portable.🔩【Premium Material】Our nut and bolts kit is made of outstanding carbon steel with rust-proof plated, great wear-proof, a nice smooth finish, solid and durable for long time use, provides strength and offers good corrosion resistance in many environments.🔩【What You Will Get】You will get 30pcs m3*8 mm, 30pcs m3*12 mm, 30pcs m3*16 mm, 30pcs m3*20 mm, and 120pcs m3 nuts; 20pcs m4*8 mm, 20pcs m4*12 mm, 20pcs m4*16 mm, 20pcs m4*20 mm, and 80pcs m4 nuts; 15pcs m5*8 mm, 15pcs m5*12 mm, 10pcs m5*16 mm, 10pcs m5*20 mm, and 50pcs m5 nuts, a total of 500pcs, enough for your daily use.🔩【Easy to Use】The nuts can expand the contact area and reduce the pressure in order to protect the screws and parts. The hex steel screw threads are uniform, smooth and tight, not easy to deform and slide in the working process, perfectly match with nuts.🔩【Wide Applications】Widely used in the home and office appliance, communication equipments, ship assembly and other machinery industry, furniture, car and motorcycle repair and DIY inventions, industrial and construction fasteners, etc. Review: صغيرة جداً وليست لتثبيت التلفاز كما هو موضح - صغيرة جداً ولا تناسب تركيب تلفزيون ## Features - 🔩【Easy to Carry】All of nuts and bolts are packed in a sturdy divided plastic box, various lengths, completely diversified assortment, organized and easy to open and look for, convenient and portable. - 🔩【Premium Material】Our nut and bolts kit is made of outstanding carbon steel with rust-proof plated, great wear-proof, a nice smooth finish, solid and durable for long time use, provides strength and offers good corrosion resistance in many environments. - 🔩【What You Will Get】You will get 30pcs m3*8 mm, 30pcs m3*12 mm, 30pcs m3*16 mm, 30pcs m3*20 mm, and 120pcs m3 nuts; 20pcs m4*8 mm, 20pcs m4*12 mm, 20pcs m4*16 mm, 20pcs m4*20 mm, and 80pcs m4 nuts; 15pcs m5*8 mm, 15pcs m5*12 mm, 10pcs m5*16 mm, 10pcs m5*20 mm, and 50pcs m5 nuts, a total of 500pcs, enough for your daily use. - 🔩【Easy to Use】The nuts can expand the contact area and reduce the pressure in order to protect the screws and parts. The hex steel screw threads are uniform, smooth and tight, not easy to deform and slide in the working process, perfectly match with nuts. - 🔩【Wide Applications】Widely used in the home and office appliance, communication equipments, ship assembly and other machinery industry, furniture, car and motorcycle repair and DIY inventions, industrial and construction fasteners, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DHPB39S3 | | Best Sellers Rank | #46,967 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #189 in Hardware Nuts & Bolts | | Brand | X spring | | Color | Black | | Colour | Black | | Country Of Origin | China | | Customer Reviews | 3.9 out of 5 stars 5 Reviews | | Fastener Type | bolts, nuts | | Fastener type | bolts, nuts | | Finish Types | Zinc | | Grade Rating | Industrial | | Head style | Hex | | Item Diameter | 3 Millimeters | | Item Shape | Hexagonal | | Manufacturer | X spring | | Material | Carbon Steel | | Material Type | Carbon Steel | | Model | LFR2358 | | Number Of Items | 500 | | Number of Pieces | 500 | | Part Number | LFR2358 | | Screw Head Style | Hex | | Set Name | Heavy Duty Bolts and Nuts Kit (500 Piece) | | Size | m3*8 mm, m4*8 mm, m5*8 mm, etc. | | Size Name | m3*8 mm, m4*8 mm, m5*8 mm, etc. | | Thread Size | m3*8 mm | | Unit Count | 500 Count | ## Product Details - **Colour:** Black - **Material:** Carbon Steel - **Brand:** X spring - **Fastener type:** bolts, nuts - **Head style:** Hex ## Images ![X Spring Heavy Duty Bolts and Nuts Kit, 500 PCS Black Hex Socket Head Cap Screws, M3/M4/M5 Thread Fastener Machine Hex Bolts and Nuts Assortment Kit - Image 1](https://m.media-amazon.com/images/I/81HgMNM9-5L.jpg) ## Customer Reviews ### ⭐⭐ صغيرة جداً وليست لتثبيت التلفاز كما هو موضح *by B***N on 12 April 2025* صغيرة جداً ولا تناسب تركيب تلفزيون ## Frequently Bought Together - X spring Heavy Duty Bolts and Nuts Kit, 500 PCS Black Hex Socket Head Cap Screws Bolts and Nuts Kit, Nuts and Bolts Assorted Set, M3/M4/M5 Thread Fastener Machine Hex Bolts and Nuts Assortment Kit - eSUN PLA+ Filament 1.75mm, Enhanced Toughness 3D Printer Filament PLA Plus, Dimensional Accuracy +/- 0.03mm, 1KG Spool (2.2 LBS) 3D Printing Filament for 3D Printers, Polylactic Acid, Black - eSUN 1.75mm PLA Pro (PLA+) 3D Printer Filament 1KG Spool (2.2lbs), White Colors IG-C-PLAPRO175WW1 1 --- ## 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.sg/products/666976326-x-spring-heavy-duty-bolts-and-nuts-kit-500-pcs](https://www.desertcart.sg/products/666976326-x-spring-heavy-duty-bolts-and-nuts-kit-500-pcs) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-09-29*