5/16"-18 UNC HSS Left 4 Flute Tap Set Live and 11/32 inch heads have

and 11/32 inch heads have 60-tooth ratcheting mechanisms

Part Number T/AP12X1

Part Number DWTST3/8-28P

Part Number DWTMR2-22X2

About the Tap: Also called pipe taps

5/16"-18 UNC HSS Left 4 Flute Tap Set Live and 11/32 inch heads haveProduct Description HSS reverse thread, also called left hand thread taps are used to make new threads or re thread damaged and or jammed threads. Hand Taps are the most versatile taps for hand use. They are popular for use in general machine tapping Appropriate for tapping the vast majority of materials in through or blind holed conditions. Hand Taps come in three styles Taper, Plug or Bottoming. Brand Drill America Part Number DWT60762 Size 5 16" 18