4-10mm 90 Degree 3 Flute TiN Coated Countersink 2521180 tube design provides ample exhaust

tube design provides ample exhaust flow to let your truck's 396-502 BB Chevy engine breathe easy

Tumble polished Shiny finish for good looks

Thread M22 x 2

providing extended lubrication intervals whilst reducing equipment failure

4-10mm 90 Degree 3 Flute TiN Coated Countersink 2521180 tube design provides ample exhaustThree Flute Countersink 90 degrees , DIN 335, UNI Countersinking Counterboring screw holes for Countersunk screws acc. to DIN 963, 964, 965, 966, 7513, 7516 For Countersunk screws acc. to ISO 2009, 2010, 7046 1, 7046 2, 7047 Chamfering of tapping holes For use in machine applications. Type N For non ferrous, Type UNI For difficult to machine materials