Sub-drill Float & Bit subs are machined to the latest industry standards, and to the highest quality, at our facility in Westhill.

Sub-drill specialise in the manufacture and testing of float and bit subs, which are critical items in the drill string.

Sub-drill offer custom Float & Bit subs manufactured to suit your requirements, including subs with proprietary connections.

A complete turnkey solution delivered with the Float Valve Installed and the assembly Pressure Tested is available, ready for installation in the BHA.

All types of connections and sizes available including API, NOV Grant Prideco, VAM, Tenaris etc.