Description
High-precision tapping chuck, torque overload protection, sensitive to change, durable..Craftsmanship excellence;protect tap and reduce cost;reduce shaking and ensure quality..9PCS in total. ANSI: 1/8", 5/32'', 3/16'', 7/32'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2''..Fits M16R electric tapping machine and PNEU-M12 Pneumatic Tapping Machine.NOTE: GT12 is only applicable to tapping machine within M16 tapping capacity. If your machine can tap larger than M16 thread, please select TC820. The connection part dimension is different.