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1/4-Inch Quick Change Chucks

Quickly convert a ⅜-inch or ½-inch drill chuck to a ¼-inch quick change chuck.



1/4-inch quick change drill adapter
Insty-Bit Insty-Lok (80138)

Owning multiple drills and drivers requires extra storage…and adds to overall cost. But having the right drill accessories: costs less, uses less space, yet creates a very convenient all-in-one drill and driver.

What are these adapters for?
There are several types of quick change adapters and drill chuck conversion tools aimed at a specific purpose. The brands listed offer dedicated quick change adapters to convert your ⅜-inch or ½-inch power and cordless drills to accept ¼-inch hex power bits., which are different than quick change extensions, which vary in length, or chuck conversion tools, which do the opposite and convert a ¼-inch quick-change to a drill chuck.

This gives you the same flexibility and work efficiency of a ¼-inch drill driver without buying another drill.

What’s a power bit (aka ball detent)?
The deep groove at the end of the shank is engaged by a metal ball or wire from a chuck to lock the bit in place.

Quick-change hex bit drill chuck adapters

Insty-Bit Insty-Lok

I keep the Insty-Bit Insty-Lok (80138) in my personal tool collection. The tolerances are just right in keeping a bit held securely, while the operation of bit insertion and one-handed removal is super smooth and effortless.

Combine the well machined design with 100% metal parts; in my view Insty-Bit is providing all that a user can ask for in assuring a top quality drill accessory.

Insty-Bit 80138 quick change bit holder
Insty-Bit 80138 quick change bit holder

Snappy Industrial Quick Change

A very close second to the Insty-Bit, is the Snappy Industrial Quick Change Chuck (40011), which is also made from 100% metal parts. Both products seem very similar in many ways, and I’d be happy with either.

The operation of smooth bit insertion and removal – lets you know the quality of craftsmanship.

Snappy says “Our namesake is the “snap” that’s heard when a drill bit, driver bit or other tool is pushed into our patented quick change chuck.” This is true, there’s a definitive sound to let you now the power bit is locked in.

Snappy 40011 quick change bit holder
Snappy 40011 quick change bit holder
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