--- product_id: 632178633 title: "M8 Clamping Nuts 6Pcs Knob Grip Screw,Plastic Star Nuts For Machines And Systems, Furniture, Machine Tools, Fitness Equipment" brand: "caianwin" price: "€ 14.49" currency: EUR in_stock: true url: https://www.desertcart.pt/products/632178633-m8-clamping-nuts-6pcs-knob-grip-screw-plastic-star-nuts store_origin: PT region: Portugal --- # 38mm star-shaped grip head M8 internal thread precision Rust & corrosion resistant brass/plastic M8 Clamping Nuts 6Pcs Knob Grip Screw,Plastic Star Nuts For Machines And Systems, Furniture, Machine Tools, Fitness Equipment **Brand:** caianwin **Price:** € 14.49 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your gear with star power – grip, twist, and conquer! ## Quick Answers - **What is this?** M8 Clamping Nuts 6Pcs Knob Grip Screw,Plastic Star Nuts For Machines And Systems, Furniture, Machine Tools, Fitness Equipment by caianwin - **How much does it cost?** € 14.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/632178633-m8-clamping-nuts-6pcs-knob-grip-screw-plastic-star-nuts) ## Best For - caianwin enthusiasts ## Why This Product - Trusted caianwin brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Pack Convenience:** 6-piece set means you’re always stocked for maintenance, repairs, or creative projects. - • **Universal Compatibility:** Perfect fit for machinery, furniture, fitness gear, and industrial equipment—versatility that keeps you ahead. - • **Ergonomic Star Grip Design:** 38mm star-shaped head offers superior grip and control for precise manual adjustments. - • **Durable Dual-Material Build:** Brass and plastic combo ensures long-lasting rust and corrosion resistance for heavy-duty use. - • **Effortless Tool-Free Adjustment:** Screw in or remove with ease—no tools needed for quick fixes and upgrades. ## Overview The Caianwin M8 Clamping Nuts feature a robust 38mm star-shaped head with an 8mm internal thread, crafted from rust-resistant brass and durable plastic. Designed for easy, tool-free installation and adjustment, these nuts are ideal for machinery, furniture, fitness equipment, and industrial applications. Sold in a convenient 6-piece pack, they combine ergonomic design with versatile compatibility to keep your systems running smoothly. ## Description Widely used in furniture, shelves, brackets, fitness equipment, advertising, medical equipment, mechanical devices, instruments, electronic assembly lines, etc. It can be simply screwed into an existing internal thread or fastened to a component with a nut. The clamp nut knob has a screw-in design that is easy to install, remove and adjust without tools. Package contains: 6Pcs 38#M8 Clamping Nuts ## Features - - Model name: M8 star grip nuts, head diameter: 38mm, internal thread diameter: 8 mm. - - Material: plastic and brass, which are rust and corrosion resistant, robust and durable. - - The clamping nut has a thread for easy screwing into the mechanism, great accessory for old handles or broken handles. - - The star nut is suitable for manual adjustment in mechanical engineering for machinery, furniture, machine tools, fitness equipment and industrial equipment. - - Various model sizes are available to meet your different needs. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Caianwin | | Part number | 38#M8 | | Item Weight | 60 g | | Manufacturer reference | 38#M8 | | Size | 38×M8 | | Colour | Black | | Finish | Brass | | Material | Brass, Plastic | | Shape | Round | | Item Package Quantity | 6 | | Head Style | Star | | Cutting Diameter | 8 Millimetres | | Batteries included? | No | | Batteries Required? | No | | Item diameter | 8 Millimetres | ## Product Details - **Material:** Brass, Plastic - **Fastener type:** Star - **Thread size:** M 8 - **Colour:** Black - **Metal type:** Brass - **Finish type:** Brass - **Brand:** Caianwin - **Inside-thread size:** M 8 - **Thread coverage:** Fully Threaded - **Size:** 38×M8 ## Images ![M8 Clamping Nuts 6Pcs Knob Grip Screw,Plastic Star Nuts For Machines And Systems, Furniture, Machine Tools, Fitness Equipment - Image 1](https://m.media-amazon.com/images/I/61eBb9Rk2FL._AC_UL320_.jpg) ![M8 Clamping Nuts 6Pcs Knob Grip Screw,Plastic Star Nuts For Machines And Systems, Furniture, Machine Tools, Fitness Equipment - Image 2](https://m.media-amazon.com/images/I/61eBb9Rk2FL._AC_UL480_FMwebp_QL65_.jpg) ![M8 Clamping Nuts 6Pcs Knob Grip Screw,Plastic Star Nuts For Machines And Systems, Furniture, Machine Tools, Fitness Equipment - Image 3](https://m.media-amazon.com/images/I/61eBb9Rk2FL._AC_UL640_FMwebp_QL65_.jpg) ![M8 Clamping Nuts 6Pcs Knob Grip Screw,Plastic Star Nuts For Machines And Systems, Furniture, Machine Tools, Fitness Equipment - Image 4](https://m.media-amazon.com/images/I/61eBb9Rk2FL._AC_UL800_FMwebp_QL65_.jpg) ![M8 Clamping Nuts 6Pcs Knob Grip Screw,Plastic Star Nuts For Machines And Systems, Furniture, Machine Tools, Fitness Equipment - Image 5](https://m.media-amazon.com/images/I/61eBb9Rk2FL._AC_UL960_FMwebp_QL65_.jpg) ## Available Options This product comes in different **Size Name** options. --- ## 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.pt/products/632178633-m8-clamping-nuts-6pcs-knob-grip-screw-plastic-star-nuts](https://www.desertcart.pt/products/632178633-m8-clamping-nuts-6pcs-knob-grip-screw-plastic-star-nuts) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-18*