Manufacturer Part Number: STM-1/2|Maximum Threads Per Inch|20Minimum Pitch (Decimal Inch)|Minimum Pitch (mm)|0.05Minimum Threads Per Inch|16Maximum Pitch (Decimal Inch)|Maximum Pitch (mm)|0.06Material|Solid CarbideThread Type|Internal & ExternalThread Size|1/2-16Thread Depth (Decimal Inch)|Thread Depth (mm)|Shank Diameter (mm)|Neck Diameter (mm)|Shank Diameter (Inch)|5/16Shank Diameter (Decimal Inch)|0.3125Cutting Diameter (Inch)|1/2Cutting Diameter (mm)|Cutting Diameter (Decimal Inch)|0.5000Length of Cut (mm)|Length of Cut (Inch)|Minimum Nominal Diameter (mm)|Minimum Nominal Diameter (Inch)|Overall Length (Decimal Inch)|2.6250Overall Length (mm)|Overall Length (Inch)|2-5/8Material Grade|Neck Diameter (Decimal Inch)|0.2950Neck Length (Decimal Inch)|0.3125Neck Length (mm)|Shank Length (mm)|Shank Length (Decimal Inch)|Shank Length (Inch)|2-1/2Series|Thread Standard|Number Of Flutes|5Coolant Through|Length Of Cut (Decimal Inch - 4 Decimals)|Coating/Finish|Bright/UncoatedProduct Service Code|UNSPSC Code|