01 Tinye eriri eriri waya HELI-COIL Screw Thread Fanye STI Pịa
Ọ bụ mgbata a na-eji hazie ma wụnye eriri dị n'ime maka ntinye ịghasa waya, nke a makwaara dị ka ST taps na screw taps. E kewara ya gaa na taps kwụ ọtọ, spiral groove tap na extrusion tap...