
Tapping tools | CoroTap® 300 CoroTap® 300, cutting tap with spiral flutes Thread form: UNF Common data values SUBSTRATE HSS-PM Imperial (inch) P M K N S C145 C110 C150 C145 C110 C145 C110 C110 C150 C110 Ordering code TDZ TD DCONMS TPI LU TCTR LF THL NOF PHD [inch] [inch] [inch] [inch] [inch] [inch] T300-XM101AF-7/16 ● ● UNF 7/16-20 0.438 0.367 20 2.858 3BX 3.937 0.591 3 0.390 T300-XM103AF-7/16 ● ● ●● ○ UNF 7/16-20 0.438 0.323 20 2.858 3BX 3.937 0.591 3 0.390 T300-XM103AF-7/16 ● ● ● UNF 7/16-20 0.438 0.323 20 2.858 3BX 3.937 0.591 3 0.390 T300-XM101AF-1/2 ● ● ●● ○ UNF 1/2-20 0.500 0.367 20 2.828 3BX 3.937 0.709 3 0.453 T300-XM101AF-1/2 ● ● ● UNF 1/2-20 0.500 0.367 20 2.828 3BX 3.937 0.709 3 0.453 T300-XM101AF-1/2 ● ● UNF 1/2-20 0.500 0.367 20 2.828 3BX 3.937 0.709 3 0.453 T300-XM103AF-1/2 ● ● ●● ○ UNF 1/2-20 0.500 0.367 20 2.828 3BX 3.937 0.709 3 0.453 T300-XM103AF-1/2 ● ● ● UNF 1/2-20 0.500 0.367 20 2.828 3BX 3.937 0.709 3 0.453 T300-XM101AF-9/16 ● ● ●● ○ UNF 9/16-18 0.563 0.429 18 2.768 3BX 3.937 0.752 3 0.508 T300-XM101AF-9/16 ● ● ● UNF 9/16-18 0.563 0.429 18 2.768 3BX 3.937 0.752 3 0.508 T300-XM101AF-9/16 ● ● UNF 9/16-18 0.563 0.429 18 2.768 3BX 3.937 0.752 3 0.508 T300-XM103AF-9/16 ● ● ●● ○ UNF 9/16-18 0.563 0.429 18 2.768 3BX 3.937 0.752 3 0.508 T300-XM103AF-9/16 ● ● ● UNF 9/16-18 0.563 0.429 18 2.768 3BX 3.937 0.752 3 0.508 T300-XM101AF-5/8 ● ● ●● ○ UNF 5/8-18 0.625 0.480 18 2.196 3BX 3.937 0.791 4 0.571 T300-XM101AF-5/8 ● ● ● UNF 5/8-18 0.625 0.480 18 2.196 3BX 3.937 0.791 4 0.571 T300-XM101AF-5/8 ● ● UNF 5/8-18 0.625 0.480 18 2.196 3BX 3.937 0.791 4 0.571 T300-XM101AF-3/4 ● ● ●● ○ UNF 3/4-16 0.750 0.590 16 2.459 3BX 4.331 0.980 4 0.689 T300-XM101AF-3/4 ● ● ● UNF 3/4-16 0.750 0.590 16 2.459 3BX 4.331 0.980 4 0.689 T300-XM101AF-3/4 ● ● UNF 3/4-16 0.750 0.590 16 2.459 3BX 4.331 0.980 4 0.689 T300-XM103AF-3/4 ● ● UNF 3/4-16 0.750 0.590 16 2.459 3BX 4.331 0.980 4 0.689 T300-XM103AF-7/8 ● ● ●● ○ UNF 7/8-14 0.875 0.697 14 2.990 3BX 4.921 0.980 4 0.803 T300-XM103AF-1-12 ● ● ●● ○ UNF 1”-12 1.000 0.800 12 2.970 3BX 5.512 1.059 4 0.915 ● = First choice ○ = Good choice 582