OSG Spiral Tap HR Coating for Ni-Based Super Heat-Resistant Alloys (for Unified Threads) 5/16 Number of Threads 24 Thread Length 22mm 3901473 WHR-NI-SFT-GH4-5/16-24UNJF 1 Piece

Catalog number: WHR-NI-SFT-GH4-5/16-24UNJF Features: ● Long life and stable machining of nickel-based alloys (40-45HRC) after aging treatment. Applications: ● For blind hole machining. ● Work material: Ni-based alloy. Specifications: ● Precision: GH4 ● Nominal size: 5/16 ● Pitch (mm): 24 ● Thread length (mm): 22 ● Overall length (mm): 70 ● Shank diameter (mm): 7 ● Shank square section (mm): 5.5 ● Pilot hole diameter (mm): 7.01 ● Number of threads: 24 ● Number of engaging threads: 2.5 threads ● Machined thread: Unified thread ● Surface treatment: HR coating Material/Finish: ● Powdered high speed steel (CPM)