1/4"-20 UNC X 1" OD HSS Round Adjustable Die Quantity:1 Radiused corners prevent damage to

Radiused corners prevent damage to a spark plug by applying force to the flat sides

9 Hex Flange Screws JIS B1189 Zinc Clear

Part Number: Assortment Kit #14790 Pieces - Coarse Thread

1" thick x 20" Long x 4-7/16" Wide Color: Black

1/4"-20 UNC X 1" OD HSS Round Adjustable Die Quantity:1 Radiused corners prevent damage toProduct 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