Description

Wireline core drilling tools can lift core from drill rods without extract coring system from the hole.A complete set of wireline drill tools include: Core barrel assembly, overshot assembly, drill rod, holding dog, hoisting plug, circle wrench etc. It has many advantages such as high penetration rate, high core recovery ratio, long bit life and lower labour ***** advantages can get more clear when the drill hole become more deeper. On diamond circle wrench, the diamond distribution is well-proportioned, the diamond is wearable and hard to fall off.When using, the circle wrench won&#**9;t slide, and it can avoid damage to tubes, therefore can prolong drill tools&#**9; life.We can also produce according to customer&#**9;s requirement.