Drill America DWTSR1316-51636 5/16"-36 X 13/16" OD HSS Round Adjustable Die, Special, DWTSR1316-51636 Shop By Category > Hand Tools>Machinist Square Drill America DWT60750 1/4"-20 HSS

Drill America DWT60750 1/4"-20 HSS Left Hand 4 Flute Tap Set

Drill America DWRRS1-13/16 1-13/16" HSS Straight Flute Shell Reamer

Individual manufacturer sets and adapters are available

Fill Material: Carbon Steel

12 mm x 3/8 BSPP

Drill America DWTSR1316-51636 5/16"-36 X 13/16" OD HSS Round Adjustable Die, Special, DWTSR1316-51636 Shop By Category > Hand Tools>Machinist Square Drill America DWT60750 1/4"-20 HSSDrill America DWTSR1316 51636 5 16" 36 X 13 16" OD HSS Round Adjustable Die, Special, DWTSR1316 51636 For threading, a High Speed Steel Round Adjustable Die is desired for improved wear life. Round Dies are chamfered on both faces. One side has a 2 to 3 thread chamfer for threading, the other side has a 1 to 1 1 2 thread chamfer for threading close to a shoulder. Adjustment is obtained by a fine pitch screw which forces the sides of the die apart, or