HSS M3 Automotive Bi-Metal Hole Saw Kit-7Pcs Cut Through Stainless Steel & Other Materials Pipe, Nail-Embedded Wood, Hard Wood Floor, Ply Wood & Plastics. High speed Steel teeth electron welded to a high Carbon steel body ensuring maximum durability and a long working life. High speed Steel teeth electron welded to a high Carbon steel body ensuring maximum durability and a long working life. Material: HSS M3, Alloy Steel, durability and a long working life, Teeth Type: 4-6 TPI Variable Teeth Material: HSS M3, Alloy Steel High speed Steel teeth electron welded to a high Carbon steel body ensuring maximum durability and a long working life. 7Pcs Hole Saw: 20mm,22mm,25mm,29mm,32mm Teeth Type: 4-6 TPI Variable Teeth 1Pc Small Arbor Size: 1/4″ Round Shank and 1/2″-20UNF Thre Material: HSS M3, Alloy Steel High speed Steel teeth electron welded to a high Carbon steel body ensuring maximum durability and a long working life. 7Pcs Hole Saw: 20mm,22mm,25mm,29mm,32mm Teeth Type: 4-6 TPI Variable Teeth 1Pc Small Arbor Size: 1/4″ Round Shank and 1/2″-20UNF Thre
