Brass Fastener with Knurled Thumb Screw and Slotted Head

Knurled thumb screw in solid brass, manufactured to DIN 464 standards with a diamond-pattern knurl for secure hand-tightening without tools. Available in standard M3–M10 thread sizes with precision-rolled threads and controlled knurl depth for consistent grip torque. Ideal for electronics enclosure panels, laboratory fixture clamping, and optical instrument adjustment assemblies where frequent removal is required. Produced at our Dongtai (Jiangsu) facility, operating since 1991 under ISO 9001 and IATF 16949 certification. In-house passivation and shot blasting capabilities. The plant supports high-volume fastener production for automotive, aerospace, and railway sectors. Workshop area exceeds 10,000 m². Submit your drawing with thread specification, head diameter, and finish requirement for a knurled thumb screw quotation. Pricing reflects material grade, thread type, and order volume.