Yamawa High Performance Roll Tap HP-RZ G7 1/4-20UNC B HP-RZ-G7-1/4-20UNC-B 1 piece

Catalog number: HP-RZ-G7-1/4-20UNC-B Features: ● A roll tap suitable for machining steel materials (35HRC or less) and light alloys, and also compatible with high-speed machining (20 to 50m/min). ● Can process stainless steel and tempered materials (up to 40HRC). ● Machining torque is reduced by 20% or more, significantly increasing the lifespan compared to conventional products. ● Can be used with water-soluble cutting oil. Applications: ● For blind hole machining. ● Workpiece materials: Low carbon steel, medium carbon steel, high carbon steel, alloy steel, stainless steel, aluminum alloy castings. Specifications: ● Precision: G7 ● Precision notation: G grade ● Nominal dimensions: UNC1/4 ● Thread length (mm): 15 ● Total length (mm): 62 ● Shank diameter (mm): 6 ● Square shank section (mm): 4.5 ● Counterbore diameter (mm): 5.8 ● Number of threads: 20 ● Number of engaging threads: 2 ● Machined thread: Unified thread ● Surface treatment: TiCN coating ● Neck length (mm): 26 ● Shank length: 33mm ● Length of square shank section: 7mm Material/Finish: ● High-speed tool steel: Powdered high speed steel (HSS-P)