Eumtenr Heavy Duty 1/2-20UNF Drill Chuck for 1/2-20UNF Thread Spindle,with 1/4" Hex Shank, SDS Plus Shank Quick Conversion Adapt and Chuck Jaw Tightening Key (5/64"-1/2" Capacity)

【Material】40Cr Steel, Hardness HRC60. (More Durable, Prolong Service Life) 【Package Content】1 x Heavy Duty Drill Chuck + 1 x Hex Shank + 1 x SDS Plus Shank + 1 x K32 Chuck Jaw Tightening Key. Mount Thread: 1/2-20UNF, Clamping Range: -13mm (5/64"-1/2"), Hex Shank Diameter: 1/4". The chuck can quickly connect to impact driver 【3-Jaw Design】The Quick Release Drill Chuck adopt a classic 3-jaw design, can easily hold round-shank drill bits from 1.5mm to 13mm securely. It is also a ideal drill conversion tool, allows quickly lock and release, which can convert cordless power screwdriver into a grinder or drill easily 【Widely Application】The Chuck Adaptor can be used with any 1/4 inch hex shank drivers, compatible with various model corded and cordless drills,suitable for impact drills and electric drives, electric hammer, electric wrenches and other industrial household tools, widely used in cars, garages, warehouses, offices, home, etc 【Commitment】If you have any questions or problems during the purchasing or not satisfied with the product, please feel free to contact us via Amazon email, we will try our best to give you a satisfied solution. Please rest assured to order, we wish you a happy shopping experience