Note: D-412 is my inventory # only. Here is a nice used LARGE shop made boring bar for your lathe. Please see the dimensions below or in the photos. This is a large custom one. It holds any 3/4 shank HSS like Rex, Crucible, MoMax, etc...
Or brazed on carbide tool bits. The 4 setscrews secure your tool bits. There are some marks on the milled flat where you tighten your tool holder screws against the flat. I took some approximate quick measurements...
They may be off a thousandths or two. Also the Kennametal brazed on carbide bit shown in the photos is NOT INCLUDED. This one would fit in a 2 boring bar holder or lathe tool holder. It uses 3/4 HSS or brazed on carbide tool bits. Bit is secured by up to 4 setscrews.
It is 20 long overall. Shaft is 15" long x 1.936" diameter.
Tool holder head is 2-1/2" diameter x 4.725" long. The item "D412 LARGE Lathe Boring Bar 2 Shank 2-1/2 Head 20 Long with 3/4 Bit Holder" is in sale since Thursday, March 26, 2020.
This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Equipment\Other Metalworking Equipment". The seller is "hollowpoints" and is located in Uhrichsville, Ohio.This item can be shipped to United States.