50Pcs Wire Thread Insert Screw Sheath Coil Repair Sleeve Kit M1/4 X 28 X 1D

Model: M1/4 x 28 x 1D. The repaired thread screw is a fastener with certain elasticity, which can enhance the connection strength and fatigue strength of the thread. Item Type: Wire Thread Insert. 50 x Wire Thread Insert.

eBay