CARBIDE TIP VALVE SEAT CUTTER 1.1/2" 35 Degree 8mm Guide Shank. CARBIDE TIP VALVE SEAT CUTTER 1.1/2" 35 DEGREE THREAD 1/2" NF 8.0mm Guide Shank BLACK & DECKER, KWIKWAY, NEWWAY PILOTS ALSO AVAILABLE IN OUR E BAY STORE We also manufacture pilots to specifications and for Serdi, Vannorman, Rotler and Winona solid carbide seat cutters. BULK REQUEST CONTACT US! Feel free to ask any questions THANKS FOR WATCHING!.