#6-40 UNF X 13/16" OD HSS Left Round Adjustable Die - High Performance & Durable Cutting Tool | Drill America Repair Parts They are for use in

They are for use in general machine tapping

Thread Type: UNF

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this hard hat offers superior protection

Flame-Resistant Protection: The FR fabric is designed to self-extinguish and won't melt when exposed to flame

#6-40 UNF X 13/16" OD HSS Left Round Adjustable Die - High Performance & Durable Cutting Tool | Drill America Repair Parts They are for use inHSS 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 forces the sides of the