S&F STEAD & FAST Spot Weld Cutter Kit 4-Pack, 3/8" Threaded Shank, 1/4" Depth of Cut, Cutting Diameter 5/8" & Spot Weld Cutter Kit 4-Pack, Cutting Diameter 3/8",

Spot Weld Cutter Kit 4-Pack, Cutting Diameter 3/8", S&F STEAD & FAST High Speed Steel Spot Weld Drill Bit, Annular Cutter for Hand Drill, 3/8" Threaded Shank, 1/4" Depth of Cut & S&F STEAD & FAST Spot Weld Cutter Kit 4-Pack, 3/8" Threaded Shank, 1/4" Depth of Cut, Cutting Diameter 5/8", High Speed Steel Spot Weld Drill Bit, Annular Cutter for Hand Drill

• PREMIUM HSS STEEL Drill bit cutters with thick walls made of super hard M2AL High Speed Steel (HRC 66), designed for wear resistance and superior performance.
• FAST CUTTING AND LONG LIFE Premium spot weld cutters drill 3 times faster than twist drill bits or double sided cutters and last much longer.
• APPLICATIONS Spot face cutter can be used not only for spot weld cutting in auto body panels but also for general hole cutting in sheet metal, piping, conduit, electrical, automotive and HVAC work. Materials suitable for cutting: steel plate, aluminum, cast iron, stainless steel, plastic, laminated materials.
• 4-PIECE SET Four small annular cutters with 3/8” threaded shank, cutting diameter of 3/8", suitable for cutting up to 1/4” depth & small annular cutters with 3/8” threaded shank, cutting diameter of 5/8", suitable for cutting up to 1/4” depth.
• STURDY PLASTIC and PORTABLE CASE Conveniently stores 4 pieces of threaded shank annular cutter; keeps all bits tidy and at hand. (Not include the arbor and pilot pin.)