Esco Hog Tie HT-212 Boiler Tube Alignment Tool Kit for 2.5 Tube. Great Condition, with Impact Wrench. Listing and template services provided by inkFrog.

Bridgeport Tramming Ring – Precision Mill Head Alignment Tool (Made in USA) – Compact size to fit in machinists toolbox. Quickly and accurately tram the head of your milling machine for initial setup or routine accuracy checks. This precision tramming ring allows you to verify that your mill head is square to the table or vise, giving you confidence that drilling and machining operations are true and repeatable. Manufactured in the USA from 52100 bearing steel and hardened to 60 HRC, this tramming ring is built for long-term durability in a shop environment. Each ring is Blanchard ground to 0.0003 parallelism, ensuring consistent and reliable measurements when sweeping the ring. Unlike dial indicator setups that require multiple adjustments, this tramming ring simplifies the process and reduces setup time while maintaining high accuracy. Material: 52100 bearing steel. Heat Treatment: Hardened to 60 HRC. Parallelism: Ground to 0.0003. Wall Thickness: 1.000. Designed for Bridgeport-style milling machines and similar vertical mills. Protective black PLA storage case. Faster setup than traditional dial indicator methods. High rigidity and repeatability. Ideal for job shops, toolrooms, and home machinists. Built by a U. MADE IN THE USA.

This item was only used about 4 times. Ø 115 mm pallet, parallel length 110 mm, center hole diameter ø 12 mm. Used for parallel alignment and centering of ITS chuck, power chuck P, PC 210 combination chuck.