OSG Spiral Tap HR Coating for Ni-Based Super Heat-Resistant Alloys (For Metric Threads) M12 Pitch 1.75mm Thread Length 29mm 3901432 WHR-NI-SFT-STD-M12X1.75 1 Piece

Catalog number: WHR-NI-SFT-STD-M12X1.75 Features: ● Long life and stable machining is possible for nickel-based alloys (40-45HRC) after aging treatment. Applications: ● For blind hole machining. ● Work material: Ni-based alloys, tempered steel (35-45HRC) Specifications: ● Precision: OH4 ● Precision notation: STD ● Nominal size: M12 ● Pitch (mm): 1.75 ● Thread length (mm): 29 ● Total length (mm): 82 ● Shank diameter (mm): 10.5 ● Shank square section (mm): 8 ● Pilot hole diameter (mm): 10.25 ● Number of engagement threads: 2.5 threads ● Machined thread: Metric thread ● Surface treatment: HR coating Material/Finish: ● Powdered high speed steel (CPM)