Yamawa Spiral Tap for Bicycle Screws, Left-Hand Threads, SL LH BC 9/16-20 SL-LH-BC-9/16-20 1 Piece

Catalog number: SL-LH-BC-9/16-20 Features: ● Tap for left-handed threads for machining bicycle cranks (through holes). Applications: ● Workpiece: Low carbon steel, medium carbon steel, rolled aluminum, aluminum alloy castings. Specifications: ● Nominal size: 9/16 ● Thread length (mm): 26 ● Total length (mm): 95 ● Shank diameter (mm): 12.5 ● Square shank section (mm): 10 ● Pilot hole diameter (mm): 13.22 ● Number of threads: 20 ● Number of engagement threads: 7 ● Machined thread: Bicycle thread ● Surface treatment: TiN coating ● Machined hole type: Through hole ● Shank length (mm): 48 ● Length of square shank section (mm): 13 ● Number of grooves: 4 Material/Finish: ● High-speed tool steel (HSS)