Different Chuck Key Sizes

The wedges grip an area of 75 mm 2 0 116 sq in and the shank is inserted 40 mm into the chuck.

Different chuck key sizes.

I tend to replace the bent coathanger type of key with a cross drilled type although i have broken teeth from the cheeper home store variety. Usually on the side of the drill chuck there will be some stamped numbers. Easy online ordering for the ones who get it done along with 24 7 customer service free technical support more. 1 4 3 8 1 2 etc.

Keyed chucks are engineered to either loosen or tighten the hold on a tool by using a key. One of the more popular brands is jacobs and most manufacturers will list an equivalent number which can make determining a replacement key a bit easier. Keyed chucks offer the advantage of applying additional torque on the bit when slippage is a concern during heavy duty applications. Since everyone has different needs let s run down the different grades of chucks.

I find an old round shoe lace tied to a key for the hand drill by the cord plug not only reminds you to unplug before changing bits. But what if you need to drill a hole whose diameter will be larger say 20 mm. Generally a chuck does not have a wide range of sizes but only two. 2020 popular chuck key sizes trends in tools jewelry accessories with chuck key sizes and chuck key sizes.

When it comes to drill chuck key holders grainger s got your back. Shop the top 25 most popular chuck key sizes at the best prices. Keyless chucks are engineered to quickly loosen and tighten a tool on the chuck collar of the drill either by manual. Step 2 measure the diameter of the hole on the side of the chuck in inches with a ruler.

If you plan to use large bits then choose a larger chuck. Determining the proper replacement chuck key for your drill can be very frustrating. If you pull out your ruler you ll see that 1 8 isn t very big at all. This is the most common size and takes a hammer up to 4 kg.

A 10 mm shank with two open grooves held by the driving wedges and two closed grooves held by locking balls. The larger the size the bigger the shank. 10 mm 3 8 inches and 13 mm 1 2 inch. This measurement is called the pilot shank.