BOTTOM TAP, 5/16-27, J, 21/64

Triumph Twist Drills 9/16-18 Fractional Carbon Bottom Tap

Drill America #5-40 UNC 3-Flute Plug Tap

Drill America #6-40 UNF 3-Flute Bottom Tap

T-Handle Tap Wrench - T-Handle Tap Wrench, No. 164, 1/16'''' To 1/4'''', Steel

T-Handle Tap Wrench - T-Handle Tap Wrench, No. 1e, 1/16'''' To 1/4'''', Steel

Drill America #3-56 UNF 3-Flute Bottom Tap

Drill America #8-48 UNS Bottom Tap