Yamawa Spiral Tap for Left-Hand Threads SP LH P2 1/4-28UNF SP-LH-P2-1/4-28UNF 1 Piece

Catalog number: SP-LH-P2-1/4-28UNF Features: ● Left-handed spiral tap for blind hole machining. Applications: ● For blind hole machining. ● Workpiece: Medium carbon steel, high carbon steel. Specifications: ● Precision: P2 ● Precision notation: P class ● Nominal dimensions: UNF1/4 ● Thread length (mm): 15 ● Overall length (mm): 62 ● Shank diameter (mm): 6 ● Shank square section (mm): 4.5 ● Pilot hole diameter (mm): 5.53 ● Number of threads: 28 ● Number of engaging threads: 2.5 threads ● Machined thread: Unified thread ● Surface treatment: Non-coated ● Number of grooves: 3 ● Neck length (mm): 26 ● Shank length (mm): 33 ● Length of shank square section (mm): 7 Material/Finish: ● High-speed tool steel (HSS)