Manufacturer Part Number: 21100030|Tap Size|M4Tap Adapter Size|#1Tap Shank Diameter (Decimal Inch)|0.1770Tap Shank Diameter (mm)|4.50Tap Square Size (Decimal Inch)|0.1340Tap Square Size (mm)|3.40Quick-change|YesProjection (Decimal Inch)|0.2756Projection (mm)|7.00Tap Depth (mm)|16.99Tap Depth (Decimal Inch)|0.6690Overall Length (mm)|28.50Overall Length (Decimal Inch)|1.1221Flange Diameter (Decimal Inch)|1.1810Flange Diameter (mm)|30.00Material|Series|WE 1Additional Information|Outside Shank Diameter (Decimal Inch)|0.7480Outside Shank Diameter (mm)|19.00DIN Standard|DIN 371Coolant Through|YesNose Diameter (Decimal Inch - 4 Decimals)|Tapping Style|UNSPSC Code|