BTS: Bar stock bored threaded straight thermowell
BTSL: Bar stock bored threaded straight thermowell with lagging
BTSR: Bar stock bored threaded tapered thermowell with reduced tip
BTSRL: Bar stock bored threaded straight thermowell with reduced tip & lagging
BTT: Bar stock bored threaded tapered thermowell
BTTL: Bar stock bored threaded tapered thermowell with lagging
BTTR: Bar stock bored threaded tapered thermowell with reduced tip
BTTRL: Bar stock bored threaded tapered thermowell with reduced tip & lagging
