Pure Invention: How Japan Made the Modern World

M27 x 1.25mm Metric Right Hand Threading Die, M27 x 1.25 Fine Pitch Round Machine Thread Die, Alloy Tool Steel Die for Industrial Machining and Thread Repair

M36 x 1.0mm Metric Right Hand Threading Die, HSS (High Speed Steel) Round Machine Thread Die - M36 x 1.0 Fine Pitch Threader for Industrial Bolt Repair and Metalworking - Right Hand Cutting

M22 x 1.0mm Left Hand Metric Round Threading Die, HSS (High Speed Steel) Machine Thread Die - M22 x 1.0 Left Handed Fine Pitch for Industrial Repair and Metal Threading - 22mm Diameter

M23 x 1.5mm Metric Right Hand Threading Die, M23 x 1.5 Round Machine Thread Die, Alloy Tool Steel External Threading Tool for Industrial and Automotive Repair

Metric Right Hand Round Threading Die M39 x 3.0mm, Alloy Steel M39 x 3mm Thread Pitch Circular Threading Tool for Industrial External Threading and Bolt Repair, 1 Piece

M31 x 3.0mm Metric Right Hand Threading Die, HSS (High Speed Steel) Round Machine Thread Die - M31 x 3.0 Pitch Threading Tool for Large Bolt Repair and Industrial Metalwork - Right Hand Cutting

Metric Right Hand Round Threading Die M39 x 4.0mm, Alloy Tool Steel M39 x 4.0 Coarse Pitch Circular Threading Tool for Large Bolt Repair and Industrial Metalworking, 1 Piece

M50 x 2.0 Metric Right Hand Threading Die, M50 x 2.0mm Pitch Round Threading Tool for Alloy Steel and Cast Iron Repair, High-Speed Steel (HSS) Circular Die for Machinists and Industrial Maintenance