Application Scenarios:A special fishing tool used in accidents such as drill pipe dropping, pipe sticking, and pipe burying in underground coal mines.
Features:The taps are made of high - quality alloy steel and undergo a special heat treatment process. They have a high surface hardness, special clamping threads, good thread - making performance, and a high fishing success rate.
Name | Structure | Connection Method | Diameter（mm） |
Male Tap | Hardened external thread | Drill pipe thread | 63、73、89、95、127、146、168 |
Female Tap | Hardened internal thread | Drill pipe thread | 63、73、89、95、127、146、168 |
