HKT EUE PIN x BOX thread protector for tubing 2 7/8"
HKT thread protector is produced for GoST 633-80 tubing including high-seal NKM and NKB thread connections,non-upset,and Upset thread.
The HKT thread protctor produced as per Type: API Spec. 5B,Material: HDPE,Marlex HHM 5502 Working temperature: from 10 ºC to + 66 ºC