XTD Digital Bore Gauges Bowers XTD digital internal micrometers give the operator the advantage of traditional quality ratchet gauges allied to advanced IP65 electronics. The extended mechanical travel of the XT range means that special heads can also be manufactured to accommodate users’ most awkward measuring problems. Measuring heads for threads, splines, slots, grooves, deep-holes and many more applications are available on request. The Bowers XT range of internal micrometers can be supplied as individual instruments or in complete sets. All XT instruments give the user the advantage of extended measuring travel with fi xed anvils and UKAS certifi cation of both measuring head and setting ring as standard. Features