Manufacturer Part Number: KTTB212A4|Jaw Shape|SquareJaw Interface Type|SerratedMaterial|AluminumMaximum Compatible Chuck Diameter (mm)|12.00Maximum Compatible Chuck Diameter (Decimal Inch)|12.0000Minimum Compatible Chuck Diameter (mm)|Minimum Compatible Chuck Diameter (Decimal Inch)|Distance Between Mount Hole Centers (Decimal Inch)|1.1811Distance Between Mount Hole Centers (mm)|30.00Tongue Width (Decimal Inch)|Tongue Length (Decimal Inch)|Tongue Width (mm)|Fastener Size (mm)|16.00Fastener Size (Decimal Inch)|0.6299Key Size (Decimal Inch)|Slot Width|Slot Width (Decimal Inch)|0.8270Groove Width (mm)|21.00Groove Width (Decimal Inch)|0.8268Tapped Hole Size|Overall Height (Decimal Inch)|4.0000Overall Height (Mm - 5 Decimals)|101.60Overall Length (Inch)|5-1/2Overall Length (Decimal Inch)|5.5000Overall Length (mm)|Material Grade|6061-T6Overall Width/Diameter (Decimal Inch)|2.0000Overall Width/Diameter (Inch)|2Maximum Internal Chucking Diameter (Decimal Inch)|Maximum Internal Chucking Diameter (mm)|Minimum Internal Chucking Diameter (mm)|Minimum Internal Chucking Diameter (Decimal Inch)|Maximum External Chucking Diameter (Decimal Inch)|Maximum External Chucking Diameter (mm)|Minimum External Chucking Diameter (mm)|Minimum External Chucking Diameter (Decimal Inch)|Includes|Overall Width/Diameter (mm)|Number Of Jaws|3UNSPSC Code|