Whitworth 55° Internal, External Full Form Thread Milling InsertsWhitworth 55° Full Form Thread Milling Inserts for BSW, BSP, BSF Thread Forms. Can be used for internal and external righ and left hand threads, these will fully form the root and crest radius. These double sided 2 edge inserts are suitable for a wide range of materials up to 50HRC including plain carbon, alloy and die steel, stainless, titanium alloys, HRSA's and cast iron. Can also be used for aluminium and copper alloys. Grade T600 provides excellent tool life with high surface finish.
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