f136 titanium alloy earrings internal thread mirror polishing ear studs base external teeth pin ear bone stud labret flat rod

internal thread model external thread type pin style

1.0 × 5mm (thread m0.9) 1.0 × 6mm (thread m0.9) 1.0 × 7mm (thread m0.9) 1.0 × 8mm (thread m0.9) 1.0 × 9mm (m0.9 thread) 1.0 × 10mm (thread m0.9) 1.0 × 12mm (thread m0.9) 1.2 × 4mm (thread m0.9) 1.2 × 5mm (thread m0.9) 1.2 × 6mm (thread m0.9) 1.2 × 7mm (m0.9 thread) 1.2 × 8mm (thread m0.9) 1.2 × 9mm (m0.9 thread) 1.2 × 10mm (thread m0.9) 1.2 × 11mm (m0.9 thread) 1.2 × 12mm (thread m0.9) 1.2 × 13mm (thread m0.9) 1.2 × 14mm (thread m0.9) 1.2 × 16mm (thread m0.9) 1.2 × 18mm (thread m0.9) 1.2 × 6mm (m1.2 thread) 1.2 × 8mm (thread m1.2) 1.2 × 10mm (thread m1.2) 1.2 × 12mm (thread m1.2) 0.8 × 6mm (0.5-hole) 0.8 × 8mm (0.5 hole) 0.8 × 10mm (0.5-hole) 0.8*12mm (0.5 hole) 1.0 × 6mm (0.5 hole) 1.0 × 8mm (0.5 hole) 1.0 × 10mm (0.5-hole) 1.0 × 12mm (0.5-hole) 1.2 × 6mm (0.5-hole) 1.2 × 8mm (0.5-hole) 1.2 × 10mm (0.5-hole) 1.2 × 12mm (0.5 hole)