As one of China’s leading producers of miniature screws, ZONFA provides micro fasteners (micro screws and nuts) with a diameter of 1mm. They can be used in highly precise equipment (medical device fasteners, glass screws, laboratories device fasteners, and computer small fasteners).
ZONFA’s screws are produced according to various national aerospace standards. You can understand the whole processing of micro fasteners by visiting our plant. Besides, we can customize fasteners with different materials and head types based on your demands.
Carbon steel: 1008 A carbon steel, 1018A carbon steel, 1022A carbon steel
Alloy steel: 10B21 (Grade 8.8) alloy steel, SCM435 (Grade 10.9）alloy steel.
Stainless steel: SUS 304 stainless steel, SUS316 stainless steel and etc.
Stainless iron: 430 stainless iron and etc.
Copper: H68 copper and etc.
2. Head types:
Fillister, pan, binding, & 100 degree flat head
ASTM, ANSI, AISI, IFI, DIN, SO, JIS, GB