Somta Series 541 - HSS Straight Flute Short Hand Bottom (Finishing) Tap UNC 5/16" x 18 TPI Insize Groove Micrometer 50-75mm Range Series 3287-75A To relive back pressure build 2103-10 Insize Metric Outside Micrometer 800-900mm Range Series 3205-900 while also protecting newly

To relive back pressure build up behind the plug the cap at the end of the plug can be unscrewed

Roughing – Efficiently removes material in non-finish operations

these inserts offer added durability

it is designed for easy use and accurate measurement of screw thread pitch diameters

Somta Series 541 HSS Straight Flute Short Hand Bottom (Finishing) Tap UNC 5 16" x 18 TPI Insize Groove Micrometer 50 75mm Range Series 3287 75A To relive back pressure build 2103 10 Insize Metric Outside Micrometer 800 900mm Range Series 3205 900 while also protecting newly To relive back pressure build up behind the plug the cap at the end of the plug can be unscrewed Roughing – Efficiently removes material in non finish operations