PrecisionGeek® M5 Knurled Thumb Screws with Shoulder – Hand Tightening Fasteners for Mechanical, DIY & Electronic Applications (Black Oxide – 5 pcs)

• 🔧 Professional M5 shoulder thumb screws for precision fastening – Designed for tool-free use where accurate positioning and repeatability are required. Ideal for mechanical assemblies and technical setups.
• 📏 Integrated shoulder for controlled positioning – Smooth shoulder section ensures precise alignment, consistent spacing and reduced wear compared to fully threaded screws.
• 🔩 Standard M5 thread with multiple variants – Available in different finishes and pack sizes to suit a wide range of technical and workshop applications.
• ✋ Knurled head for tool-free adjustment – Provides secure grip for quick tightening and loosening by hand. Ideal for maintenance, modular systems and frequent adjustments.
• 🧩 Wide application range – Suitable for machinery, fixtures, jigs, electronics, audio equipment, enclosures and workshop setups.
• 💪 Durable material options – Available in black oxide steel and zinc-plated steel for strength, corrosion resistance and industrial appearance.
• 🌍 PrecisionGeek – CNC-machined in the EU – Manufactured on CNC machines in the European Union for high precision, consistent tolerances and reliable quality.
• 📦 Flexible pack sizes for every use case – Available in sets of 5 or 10 pieces, ideal for both DIY projects and professional workshop use.

Thumb screws are designed to be tightened and loosened by hand. Large head diameter makes it easy to access and tighten. The thumb screw has a diamond knurled surface on its head. This gives it better gripping surface, making it easier to tighten or loosen the fastener manually. ------------------------- 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.