SIZE SPECIFICATION: Shank Outer MT - MT4, Capacity (50 - 90 mm), Minimum Diameter - 50 mm, Maximum Diameter - 90 mm, Shank Dia - 31.267 mm, Blunt / Flat Head Length - 71.5 mm, Shank Length - 102.5 mm. TECHNICAL SPECIFICATION: Manufactured from High Grade Carbon Steel, 60˚ Carbide Tipped Precisely Ground Point, Hardened to 60-63 HRC, Maximum Radial Run-out - 0.015 mm, Applicable for Slow speed job works. HSN CODE: 84669390. PRODUCT CODE: PC-50-90.