This Chrome Steel Extended 1 or 4 Inch Hex Shank Quick Change Adapter Bit Drill Chuck designed explicitly for electric drill, screwdriver, wind batch transfer. It can be used to play the role of releasing bit holder and also used for prolonging different kinds of screwdrivers. This Hex Shank Quick Change Adapter Bit Drill Chuck interface features a locking function. While a drill bit connected, It will be self-locked. In order to remove this self-lock, grip the black chuck by one hand and push the hex shank by another hand. Then the connecting drill bit can be pulled out. This extension rod can only be fitted with a single-ended mouthpiece, but not a double-ended mouthpiece.
The drill bit with a 1/4″ shank fits all corded and cordless power drills. Therefore achieves easy spring slide and release action makes changing bits faster and quite easier. This hex shank bit drill is capable of accepting all single-ended 1/4″ hex shank screw bits. Moreover, this is defined as a secured bit holder as the magnetized inner hex shafts hold bits securely. This Drill bit made up of Chromium vanadium steel forging. It offers nonaging, cracking, not easy to rust interface locking mechanism. Finally, this Adapter Bit Drill Chuck with a built-in strong magnetic, automatic pop-up batch head, fast tightening greatly improve work efficiency. This drill bit set features rustproof, very durable, convenient to use. This makes it a durable product with a long-lasting life.