PrecisionGeek M4 Knurled Thumb Screws Aluminium – Hand Tightening Screws for Acrylic, Metal & Wood, 3D Printing, Electronics & DIY (SILVER - 15mm – Pack of 10)

• 🔧 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.

The knurled screws are also called knurled and set screws. This is a special type of screw that can be operated by hand. Its ribbed edge prevents fingers from slipping when screwing in and out. No additional tools are required to install/loosen the thumb screw. Areas of application: the thumb screws can be used individually. They are particularly convincing with connections that need to be loosened frequently. Areas of application include: household appliances, furniture construction, mechanical engineering, industrial and underwater technology, precision mechanics and testing equipment. You will receive only first-class professional quality, metric standard thread.