Yamawa Super Hard Hand Tap for Cast Iron N-CT FC P3 1/4-28UNF 3P N-CT-FC-P3-1/4-28UNF-3P 1 piece

Catalog number: N-CT-FC-P3-1/4-28UNF-3P Features: ● Carbide tap suitable for mass-produced thread machining of hard and brittle materials such as cast iron. Applications: ● Workpiece: Cast iron, tough cast iron, brass castings. Specifications: ● Tip: Medium ● Precision: P3 ● Precision notation: P class ● Nominal dimensions: UNF1/4 ● Thread length (mm): 16 ● Overall length (mm): 62 ● Shank diameter (mm): 6 ● Shank square section (mm): 4.5 ● Pilot hole diameter (mm): 5.53 ● Number of threads: 28 ● Machined thread: Unified thread ● Surface treatment: Non-coated ● Number of grooves: 4 ● Number of engaging threads: 3 ● Length of shank square section (mm): 7 Material/Finish: ● Ultra-fine grain carbide alloy (HF)