Threaded Thermowell TW15, solid machined Specifications according to data sheet: TW 95.15 Head Design: Round with hexagon Thermowell Style: Stepped Unit of Measure: Imperial (inch) Process thread [P or E]: 3/4" NPT Instrument connection [N]: 1/2 NPSM female Insertion length [U]: 4.5 inch Head Length: 4.750 inch Bar Material: Stainless steel 316/316L 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): 9.000 inch Tip thickness [Tt]: 0.250 inch (6.4 mm) ITEM# 75TH2LR045SS