The 10-24 NC Bottom Hand Tap by Desco is a high-quality threading tool made of carbon steel, designed for automotive use.
1-1/8"-7 NC Bottom Hand Tap DWTB 1-1/8-7 Carbon Steel 4Flute by Drill America
7/16-14 NC Bottom Hand Tap Morse MT3732633 HSS RH GH3 USA 4 Flute
5/16-18 NC Bottom Hand Tap HSS Morse MT3732617 4FLUTE RH USA
1/4-20 NC Bottom Hand Tap Morse MT3732605 HSS RH USA 4 Flute GH3
12-24 12/24 NC Bottom Hand Tap Irwin Hanson Model 1232 ZR Carbon Steel 4FL USA
4-40 NC Bottom Hand Tap HSS Morse MT3733814 3 Flute USA RH GH2