I got tired of chasing inconsistent readings depending on how I set up 1-2-3 blocks, hand positioning, etc. , so I made a dedicated tramming ring to simplify the process. This sits flat on the table or inside of the vise and gives repeatable readings without introducing extra variables. Made from 52100 bearing steel. Hardened to 60 HRC. Blanchard ground to 0.0003 parallel. If you’re running a Bridgeport or similar manual mill and want a quicker, more consistent way to check tram, this does exactly that. Built by a machinist – not a marketing company. 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.

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.

One NEW Gleason Gear Hob Made For Caterpillar. 2286-47 LA 4742-REL LA 4° 17. 6″ OD and 8″ tall with 2 Bore. CLA 2.7 NDP 20° NPA. 1RH PRE S W-Top. 1:16681 FL 208.3481.

The Lion Machine Company Universal Cutter No. 4 was manufactured in 1900 in Bridgeport, CT by Lion Machine Company in the United States. This manual milling machine is designed for milling operations and comes with 2 blades. With its historical significance dating back to the early 20th century, this machine represents a piece of American metalworking equipment history, particularly in the field of machining centers and milling machines. Its brand, model, and functionality make it a valuable asset for those interested in vintage industrial machinery.

Compact Desktop Milling Table – Precision Processing Tool. Suitable for processing wood and metal. Can be combined with a micro cross table for even more precise and detailed work. Spindle rotation speed adjustable via side-mounted control knob. Handles with graduated scales allow for accurate adjustment of height and feed rate. Designed to prevent chips from entering the spindle screw section. Sliding scale markers provide convenient reference for height and machining dimensions. This product is not compatible with end mills larger than 3 mm in diameter.

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USED, MACHINE SHOP MADE, INDEX HEAD. IT COME WITH A DRAW BAR FOR 5C COLLETS, BUT THE SPINDLE WILL NEED A TAPER ADAPTER SLEEVE FOR 5C COLLETS. NO TAPER ADAPTER SLEEVE INCLUDED. THE SPINDLE TURNS FINE. THE INDEX PIN CATCHES THE INDEX HOLES. SOME OF THE HOLES HAVE WEAR ON THEM. THERE ARE MEASUREMENTS IN THE PICTURES. THERE ARE SCUFFS, SCRATCHES AND WEAR FROM USE. LOOK AT THE PICTURES. CHECK OUT MY OTHER LISTINGS. NO WARRANTIES GIVEN OR IMPLIED. International Buyers – Please Note. I do not mark merchandise values below value or mark items as “gifts” – US and International government regulations prohibit such behavior.