PrecisionGeek M4 Knurled Thumb Screws Aluminium – Hand Tightening Screws for Acrylic, Metal & Wood, 3D Printing, Electronics & DIY (SILVER - 15mm – Pack of 5)

• 🔧 Lightweight M4 aluminium thumb screws for precision use – Designed for tool-free fastening in electronics, 3D printing and technical applications where low weight and ease of use are essential.
• 📏 Multiple sizes & configurations available – Includes M4 × 10 mm and M4 × 15 mm, in sets of 5 or 10 pieces, with black and silver colour options.
• 🔩 Flat knurled head Ø10 mm for precise grip – Compact design allows accurate hand tightening, ideal for small components and tight spaces.
• ✋ Tool-free operation for fast adjustments – Easily install, remove or reposition components without tools. Perfect for maintenance and modular setups.
• 🧩 Optimised for electronics & maker projects – Ideal for PC builds, enclosures, 3D printers, robotics and DIY applications.
• 🎨 Available in multiple colours – Black and silver variants suitable for both functional and aesthetic applications.
• 💪 Lightweight and corrosion-resistant aluminium – Ideal for frequent use and applications where reducing weight is important.
• 🌍 PrecisionGeek – CNC-machined in the EU – Manufactured on CNC machines in the European Union for consistent quality and high precision.

Enhance your DIY projects with the PrecisionGeek M4 × 15 mm Flat Knurled Thumb Screws (Set of 5) — expertly designed for effortless, tool-free use in electronics, camera setups, PC builds, 3D printers, and other hobbyist applications. Each screw is CNC-machined in the EU from quality-grade aluminium, measuring M4 × 15 mm with a 10 mm flat, 4 mm thick knurled head, and an overall length of 19 mm . The diamond-knurl finish provides reliable finger grip—making quick adjustments fast and slip-free . Perfect for mounting panels, securing camera rigs, adjusting 3D printer accessories, or building PC cases, these screws balance durability with a sleek, minimalist appearance. The lightweight aluminium makes them ideal for applications where weight is crucial, yet they still deliver a precision-engineered feel. Proudly manufactured in-house on Star CNC machines by MAAD Precision Engineering, each component is closely monitored for quality and consistency . Whether you're outfitting your workshop, tech setup, or creative build, this set of thumb screws offers the reliable function, streamlined design, and European craftsmanship you expect. Knurled head provides extra finger grip for manual tightening. Thumb screws are designed to be tightened and loosened by hand. Tools are not required for tightening or loosening. Set of 5 screws -----------PrecisionGeek are very proud that our stainless steel and aluminium fittings are all made in-house on our own Star CNC Machines. From speaker spikes to banjo bolts — everything is machined from solid stainless steel and other quality grade metals to exact specifications meaning that quality control is maintained throughout the manufacturing process. It means we can react to new demands, improve and assess each component and offer the best quality solution to any requirement. It also means that we can react to new products required immediately — If you feel there is a new product which we could add to our catalogue please get in touch and we will be happy to offer a quotation. All manufactured in the EU on our own machinery — It's very rare today when many items are simply bought in. We are a company that actually cuts its own metal in-house.