m39 X 4 Carbon Steel Hex Die BoltsandNuts.com and the ball peen concentrates

and the ball peen concentrates force at a small point of impact

They are typically used with die stocks or wrenches and are ideal for custom thread repairs

Part Number DWDTL21/64

Part Number DWDBL7/8

Part Number: 100X450DPAPL

m39 X 4 Carbon Steel Hex Die BoltsandNuts.com and the ball peen concentratesProduct Description Carbon steel hex dies are for re threading or cleaning bruised or rusty threads. They are the most cost effective rethreading tool available. No special holder is required for this type of die, any wrench large enough will suffice. Ideal for maintenance in the shop or field. Brand Drill America Part Number DWTMHX39X4 Size m39 x 4 Material Carbon Steel Finish Uncoated (Bright) Size m39 Shape Hex