Porting Tool: 0.8380" Spotface Dia, 1/4" Tube OD, Plain, 7/16-20" Port, Carbide-Tipped, Tube Dash # 4.000 MPN:SAEJ1926-04S

The SGS Porting Tool is an excellent counterbore and porting tool featuring a spotface diameter of 0.838 inches with an outer tube diameter measuring at 1/4 inches, available in both plain or carbide-tipped options to suit individual needs. This high-quality tool's use extends beyond simple counterboring into more advanced tasks such as chamfering and countersinking. A key advantage of this product is its versatility - the included tube can be used for a variety of tasks outside of porting or counterbores including thread rolling, grip bending, holemaking, tapping, or broaching. Professional engineers involved in aviation & aerospace manufacturing recognize and appreciate SGS' commitment to precision craftsmanship as well as attention to quality - using only durable, high-quality materials designed for use across countless industries performing an array of intricate machining jobs demanding uncompromising precision.