10PCS M3x0.5mm Knurled Hand Tightening Nut Round Iron Thumb Turn Nut

This M3 knurled hand-tightening nut is specifically designed for equipment requiring frequent adjustment and is manufactured from high-quality cast iron to ensure both strength and durability. Its standard M3x0.5mm fine-pitch thread ensures a secure lock onto bolts, whilst the straight-grooved knurling on the surface provides excellent grip, allowing users to tighten or loosen the nut using only their fingers. This significantly improves efficiency when levelling 3D printer heated beds, maintaining CNC machine tools and servicing electrical control cabinets. The compact, circular design not only saves installation space but also ensures a neat and attractive overall appearance for the equipment. Whether for industrial equipment maintenance or personal DIY projects, this nut is an efficient alternative to traditional hex nuts. Product features: Material: Iron Colour: Silver Dimensions: diameter 11 mm x height 7.2 mm (0.43x0.28inch) Thread specification: M3, pitch 0.5 mm Quantity: Pack of 10 Applications/compatibility: Suitable for levelling 3D printer heated beds, CNC machine tools, distribution boxes, toolboxes, mechanical equipment panels and various DIY projects.

• Precision-machined from high-quality iron, it resists deformation even under prolonged pressure and friction.
• The entire cylinder is embossed with straight knurling to increase friction at the fingertips.
• Strictly complies with the M3x0.5mm fine-pitch thread standard, ensuring precise pitch.
• With overall dimensions of just 11x7.2mm in diameter, it is compact in size, and its rounded edges prevent cuts to the hands.
• Widely used for levelling hot beds on 3D printers, CNC machine tool panels and electrical control cabinet doors.