Yamawa Roll Tap for Medium Hard Carbon Steel JIS MHRZ-J G8 M12X1.75 B MHRZ-G8-M12X1.75-B 1 piece

Catalog number: MHRZ-G8-M12X1.75-B Features: ●High tapping torque, stable thread cutting is possible even for tempered materials with a hardness of 35HRC, which was previously considered difficult to process with roll taps. ●Durability is dramatically improved with materials and coatings with excellent wear resistance. ●Realizes stable thread cutting for tempered materials (up to 35HRC). ●Can be used with water-soluble cutting oil. Applications: ●For blind hole processing. ●Cutting materials: Medium carbon steel, high carbon steel, alloy steel, tempered steel (25-35HRC). Specifications: ●Accuracy: G8 ●Accuracy notation: G grade ●Nominal size: M12 ●Pitch (mm): 1.75 ●Thread length (mm): 15 ●Total length (mm): 82 ●Shank diameter (mm): 8.5 ●Shank square section (mm): 6.5 ●Pilot hole diameter (mm): 11.19 ●Number of engagement threads: 2 ●Machined thread: Metric thread ●Surface treatment: TiCN coating ●Shank length (mm): 42 ●Shank square section length (mm): 9 Material/Finish: ●High-speed tool steel: Cobalt high speed steel (HSS-Co) Note: ●Pilot hole processing has a large effect on the accuracy of the screw. ●Please be careful when processing the pilot hole.