Allstar Performance Drills and threading tools

11-12 / 13-14 / 16-18 / 20-24 TPI

9-10 / 12-16 / 20-27 / 28-32 TPI

1/8" NPT tap. Use 11/32" drill (8,7mm).

1/4" NPT tap. Use 7/16" drill (11,1mm).

Gängtapp, 3/8-18 in NPT , 37/64 Borr (14,7mm)

1/2" NPT tap. Use 23/32" drill (18,2mm).

1/2"-20 UNF, högergänga

1/2"-20 UNF, vänstergänga

5/8"-18 UNF, högergänga.

5/8"-18 UNF, vänstergänga.

3/4"-16 UNF, högergänga.

3/4"-16 UNF, vänstergänga.

Double ended drill bit. 1/8" size.

Double ended drill bit. 3/16" size.