[factory direct sales] and other iron parts iron shaft copper sheet 【厂家直销】 等各种铁件铁轴铜片

contract materials

2x16 optical axis (knurled shaft) 2x18 optical axis (knurled shaft) 2x20 optical axis (knurled shaft) 2x21 optical axis (knurled shaft) 2x22 optical axis (knurled shaft) 2x23 optical axis (knurled shaft) 2x24 optical axis (knurled shaft) 2x25 optical axis (knurled shaft) 2x8 optical axis (knurled shaft) 2x9 optical axis (knurled shaft) 2x10 optical axis (knurled shaft) 2x11 optical axis (knurled shaft) 3x30 optical axis (knurled shaft) 2x15 optical axis (knurled shaft) 2x12 optical axis (knurled shaft) 2x13 optical axis (knurled shaft) 2x14 optical axis (knurled shaft) 2x17 optical axis (knurled shaft) 2x64 nickel plating (knurled shaft) 2x64 optical axis (nickel plated) 2x45 optical axis (nickel plated) 2x32.5 optical axis (galvanized)