Omega Products BT40 Drill Chuck - GHK 13-98 Hex Key - Capacity 0.3 - 13 - Gauge Length 98mmBT40 Hex Key Drill Chucks are designed to provide secure and reliable clamping for drill bits in BT40 spindle machines. These chucks feature a hex key tightening mechanism, allowing for easy and quick tool changes. The hex key design ensures a strong grip on the drill bits, minimizing slippage and ensuring accurate drilling operations. With their robust construction and high quality materials, the BT40 Hex Key Drill Chucks offer durability and long