(1) 5/16 - 18 High-Carbon Steel Plug Tap, (1) F Letter Drill Bit

Tap and drill bit combo provides a secure method of drilling the proper hole size before cutting right-hand internal threads

Plug taps engineered for cutting right-hand internal threads

Included drill bit is matched to tap for correct size, with a no-skate tip for accurate hole starts

Heat-treated carbon steel tap provides superior durability and speed

Rolled tap threads deliver more accuracy and are cleaner than machined threads

Rust and tarnish resistant tap design provides greater durability and accuracy

Laser-etched marking on tap ensures size identification and won't wear off