PrecisionGeek® M3 Knurled Thumb Screws Brass – CNC Machined Fasteners for Metal, Wood, Acrylic & Electronics – Hand Tightening (Flat – 15 mm – 5 pcs)

• 🔧 Precision M3 brass thumb screws for small assemblies – Designed for tool-free fastening in electronics, precision devices and detailed mechanical applications.
• 📏 Multiple lengths & pack sizes available – Includes variants such as M3 × 10 mm and M3 × 15 mm in sets of 5 or 10 pieces to suit different mounting depths and use cases.
• 🔩 Flat knurled head for fine control – Compact design with knurling ensures precise hand tightening, ideal for small components and delicate assemblies.
• ✋ Tool-free operation for quick adjustments – Easily install and remove without tools. Perfect for prototyping, maintenance and modular setups.
• 🧩 Optimised for electronics & maker projects – Ideal for 3D printing, PC builds, enclosures, robotics and prototyping, where small fasteners are required.
• 💪 Solid brass (Mo58) construction – Corrosion-resistant, durable and visually premium. Suitable for both functional and decorative applications.
• 🌍 PrecisionGeek – CNC-machined in the EU – Manufactured on CNC machines in the European Union for high precision, smooth finish and consistent quality.
• 📦 Flexible configurations for every need – Available in different lengths and quantities, suitable for hobbyists, makers and professional applications.

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