Manufacturer Part Number: 2826038|Screw Type|Insert ScrewIndexable Tool Type|BoringIndustry Standard Number|QC21Thread Size (Inch)|#4-40Thread Size (mm)|Toolholder Style Compatibility|Multiple Circle Boring BarsHardware Compatibility|Boring BarDrive Type|TorxHead Type|TorxOverall Length (mm)|5.3400Overall Length (Inch)|Overall Length (Decimal Inch)|Series|Q-SeriesTool Material|SteelTorx Size|T9Clamp Compatibility|Head Size (Decimal Inch)|Head Size|Cartridge Size Compatibility|Key/Driver Compatibility|Q KEYPoint Type|Socket Hex Size (mm)|Socket Hex Size (Decimal Inch)|Socket Hex Size (Inch)|Right Hand Thread Length (Decimal Inch)|Left Hand Thread Length (Decimal Inch)|Tightening Torque|Insert Style|Insert Size|Style|Insert Screw|Manufacturers Catalog Number|QC-21Complete Insert Compatibility|Insert Inscribed Circle (Inch - 0 Decimals)|Product Service Code|UNSPSC Code|31161500