[12mm*m3*half thread]
The companys business: professional production of steel balls, stainless steel balls, copper balls, aluminium balls;
Thread options: threaded through hole, through thread, half thread, half hole, various irregular balls
Specification: between 3 mm - 60 mm.
Copper ball: must be adjusted, please consult separately
Special adjustment: carbon steel material can provide electroplating of chrome & gold & black & rose gold and other services with changing colors