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T51 tool post on Boxford 4.5"

Will it fit

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Robin Salmon	07/01/2023 23:33:19
10 forum posts	I'm asking if a t51 qctp will fit a 4.5" Boxford model A. I'm sure some of you will know. The T51 is advertised as 125mm min center height, where as a T31? Is 112mm which is the max height but has a smaller tool holder. My 4.5 mm Boxford is obviously 112mm centre height, but I would like to have the ability to put bigger tools in, I know I could be above centre but can always mill some off the bottom of the tool. Thanks for looking
Tony Watson 5	08/01/2023 03:48:56
11 forum posts	I use T51 holders on my nine inch (4.5 inch centre height) Hercus. The gaps in the holders are 16 mm but the largest practical size for a tool is around 12 mm (insert or cutting edge height). The measurement you need to consider is the centre height from the top of the topslide. I thing this is pretty common top most South Bend clones, including Boxford. The Hercus measures 20mm.
Robin Salmon	08/01/2023 14:25:11
10 forum posts	Thanks Tony, I get most of your post, however the 20mm you mention, I can't figure where this is. 20mm height to the top of the compound slide from the cross slide?. Regards Rob
Tony Watson 5	08/01/2023 20:57:14
11 forum posts	The 20 MM is from the top of the compound slide ie the surface where the toolpost is mounted.

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