Mechanical tee hole saw chart. Make certain the hole is correct in size. The use of installation methods or hole saws not purchased from Inserta Fittings will void the performance warranty of the product. hole-cut. Sizes from 2 - 8" | DN50 - DN200 Model MTG1 Grooved Mechanical Tee MTG1 Grooved Mechanical Tee Technical Data Operating Specifications Maximum Working Pressure: See Table A Operating Temperature -30 °F to 230 °F (-34 °C - 110 °C) Material Specifications Housings: ASTM A536 Grade 65-45-12 Ductile Iron Gasket: Grade E EDPM SADDLE-LET SMALL MECHANICAL TEE [THREAD] The Model 502 Saddle-Lets provides a direct branch connection at any location where a hole can be cut in the pipe. Available as a tee or cross outlet with female threaded or grooved ends. Mechanical branch connections are used for reducing branch outlets without welding. mechanical. mechanical. preparation. The MT-30 is ideal for direct connections with sprinkler heads and drop nipples. aosolz napmz vuda sgz dtzn aohrb ecltuj sodgqud hzhmjh lxikj