Taps
Balax, Guhring, Michigan, Dormer, Reiff & Nestor, Vermont
Tap Sets
Michigan Drill Corp, Vermont
Dies
Vermont, Fette, JBO
Custom Taps
North American, Reiff & Nestor, JBO
Thread Rolls
CJ Winter, Fette
Balax, Guhring, Michigan, Dormer, Reiff & Nestor, Vermont
Michigan Drill Corp, Vermont
Vermont, Fette, JBO
North American, Reiff & Nestor, JBO
CJ Winter, Fette