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> New 1-1/2" od .180" groove hss trepanning tool
New 1-1/2" od .180" groove hss trepanning tool
1-1/2" OD .180" Groove HSS Trepanning Tool New
So this started as a regular Niagara 1-1/2" end mill
It was reground as a trepan tool
Cuts a square groove, .180" wide
Square groove cuts to a depth of .065"
From there to .125" a 45 degree inside chamfer will be added
Feel free to contact with questions as this is a rather unusual beast
