GB/T 818 thread specifications M1.6~M10, nominal length 3-60mm, performance grade 4.8
Pan head (round head), cross groove drive, tighten with a cross screwdriver. With a low head height and good appearance, it is one of the most commonly used types of screws in electrical equipment, home appliances, instruments, building hardware, metal sheets, and steel connections.
Guozhi Technology's cold heading machines deliver precision, reliability, and intelligent performance — the smart choice for modern fastener manufacturing.
Certified by China National Quality Supervision and Testing Center, ensuring every component meets precision-grade manufacturing standards.
Intelligent control system boosts production efficiency by over 30%, with failure rates well below the industry average.
14B and 41B models are listed in Hebei Province's "First Set of Major Technical Equipment" catalog — nationally recognized quality.
Comprehensive technical support from installation and commissioning to after-sales maintenance, ensuring long-term reliable operation.
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