50TH2R010SS TW15-M 1/2NPT 1/2 NPSM female U=1.000 inch B=0.260 inch (6.6 mm) SS316/316L Threaded Thermowell TW15, solid machined Specifications according to data sheet: TW 95.15 Head Design: Round with hexagon Thermowell Style: Straight Unit of Measure: Imperial (inch) Process thread [P or E]: 1/2" NPT Instrument connection [N]: 1/2 NPSM female Insertion length [U]: 1.000 inch Head Length: 1.75" Bar Material: Stainless steel 316/316L Bore size [B or d1]: 0.260 inch (6.6 mm) Root diameter [Q]: 0.500 inch Tip diameter [V or F3]: 0.500 inch Bore depth / stem length (US): 2.500 inch Tip thickness [Tt]: 0.250 inch (6.4 mm)