Features:
• Three main components include driver, inner assembly, and inner
assembly loading sleeve.
• Positive latching provides an efficient one-step method of drilling
through overburden and casing off to bedrock.
• Rapid and easy removal and replacement.
• Spearhead point is compatible with NQ/HQ overshot for lowering and
retrieval.
• Driver supplied with NW/HWT casing box connection.
Applications
• Soil sampling and overburden coring in conjunction with casing.
• Casing through difficult overburden or formations.