#12-28 UNF X 13/16" OD HSS Left Round Adjustable Die Quantity:1 or upgrading

or upgrading

Part Number: BIT-DWTT7/8-9

1148 Pieces - Fine Thread

flat faces for best engagement with the straight sides of a fastener slot

#12-28 UNF X 13/16" OD HSS Left Round Adjustable Die Quantity:1 or upgradingProduct Description HSS Round Dies are for use in making new threads or re threading existing threads. They are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Round dies are chamfered on both faces, one side has a 2 to 3 thread chamfer for threading and the other side has a 1 to 1 1 2 thread chamfer for threading close to a shoulder. Adjustments are made by a fine pitch screw which