Van Stone Thermowell TW30, solid machined for lap flange Specifications according to data sheet: TW 95.30 Thermowell Style: Tapered Unit of Measure: Imperial (inch) Flange Size: ASME 1 inch Pressure Rating: Class 150 Pipe Sched. /Intern.Nozzle Dia.: Schedule 40 (Standard N.A) Instrument connection [N]: 1/2 NPT female Insertion length [U]: 10.0 inch Head Length: 2.25 inch Bar diameter [Bd or F2]: 1.315 inch (33.4 mm) Bar Material: Stainless steel 304/304L Bore size [B or d1]: 0.260 inch (6.6 mm) Root diameter [Q]: 0.750 inch Tip diameter [V or F3]: 0.500 inch Bore depth / stem length (US): 12.000 inch Tip thickness [Tt]: 0.250 inch (6.4 mm) ITEM# 52978702