17mm 18mm 19mm 20mm carbon steel ball with drilled threaded ole

FOB Reference Price:
$0.05 - $0.50 / Piece | 100 Piece/Pieces (Min. Order)
Diameter:
0.5mm 0.8mm 1mm 1.5mm 2mm 3mm 5mm 8MM 10mm 15mm 20mm 30mm 50mm 80mm