Drill Collar
Drill collar can be produced according to API standard, as well as customer's requirement. It is made of 4145H material, the overall heat treatment and mechanical property meet API Spec 7.1 standard. Thread was treated with phosphate with the advantage of perfect anti-sticking nature.
Material: 4145H
OD: 105mm-241mm
Length of each Drill Collar: 9.15m
Certificate: API
Drill collar can be produced according to API standard, as well as customer's requirement. It is made of 4145H material, the overall heat treatment and mechanical property meet API Spec 7.1 standard. Thread was treated with phosphate with the advantage of perfect anti-sticking nature.
Material: 4145H
OD: 105mm-241mm
Length of each Drill Collar: 9.15m
Certificate: API