Drilling joints

Drilling Joints

Holic® offers complete range of Drilling Joints. 

Item Name: Drilling Joints, Drill joints, reducer union, lock joints, oil drill pipe joints, crossover coupling blank joints.

Brand: HOLIC®.

Specifications: Φ68, Φ78, Φ105, Φ121

Product Description

Drilling Joints

Holic® offers complete range of Drilling Joints. 

Item Name: Drilling Joints, Drill joints, reducer union, lock joints, oil drill pipe joints, crossover coupling blank joints.

Brand: HOLIC®.

Specifications: Φ68, Φ78, Φ105, Φ121

Tool joint size

SPEC Yield strength Tensile strength Elongation HB Charpy impact test
Mpa Mpa Mpa HB A kv (J)
API SPEC 7 ≥827.4 ≥965.3 ≥13 ≥285 //
SY/T 5290-2000 ≥827 ≥965 ≥13 285-341 ≥54
HJ-JT 828-1050 1365-1150 ≥14 303-341 Vertical Horizontal
≥87 ≥90