1/2‑20UNF Keyless Hand Drill Chuck, 2~13mm Keyless Drill Chuck for Impact Driver, Hand Drill

Specification:Diameter:43mm/1.69inLength:58mm/2.28in (3-5mm tolerance)Connection Size:1/2-20UNFClamp Range:2 ~ 13mm / 0.04 ~ 0.51in Package List:1 x Drill ChuckNote:Before purchase, it is necessary to verify whether the connecting thread of your electric drill is 1/2-20UNF. (1/2 - 20 is the definition of thread specification. Specification: 1/2; number of threads (T): 20. UNF, UN is the standard code of inch thread, and F is fine thread).

• Keyless clamp: Keyless self tightening design can firmly clamp 2-13mm/0.08-0.51in drill bits, with a main body diameter of 43mm/1.69 inches
• Quick tool replacement: Detachable, suitable for various workshop operations such as drilling, grinding, polishing, etc
• Durable structure: Made of quenched steel components, it has a long service life and can withstand long-term operation
• Precision work companion: Maintains stability during long work sessions,note: Allow 3-5mm tolerance in length measurements
• Thread verification needed: Compatible with electric drills using 1/2-20unf standard thread. Confirm thread specifications before purchase