Craftsman 9-64085 Professional

Last Updated: 17.07.19

 

 

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Pros

This best drill bit set for metal from Craftsman comes with every drill bit you need from 1/16-inch to 3/8-inch.

The bits are housed in a nice plastic carrying case.

The bits are given split-point tips for drilling accuracy and are made of high speed steel cobalt.

The bits are geared for use with stationary machines and drill presses.

 

 

Cons

 

Unlike higher priced drill bits, the ones in this set do not have side notches at the base that ensure better grip on the material being drilled. However, this is offset by the bits being able to drill upon surface contact with the material being worked on so ‘walking’ is not an issue. This ensures that the drill bits can drill through to the opposite end of the material when steady pressure is applied to ensure a secure grip.

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Main features explained

 

This cobalt drill bit set comes with a range of sizes that include: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8 inch bits. This means you have the precise bit you’ll need for the job every time, so you can work on multiple projects especially heavy duty tasks including drilling on all metals including hard metals. There is no guesswork either since the bit sizes are printed neatly on each compartment so you won’t get confused when picking out the one you need.

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The plastic carrying case handles all the 21 pieces in the set really well. Each drill bit is given its specific compartment so all you do is pick out the one you will use and attach it to your drill. The plastic carrying case makes it easy to transport the whole set so you won’t have to keep going back to your larger tool box to fetch drill bits. The case also makes it easy to store all the bits in one place so you won’t misplace any.

 

The split-point tips enable the bits to drill on contact and also eliminates walking. Once the bit tip gets in contact with the surface of the material, it starts drilling and will not wander from the drill point, ensuring drilling accuracy. This is especially important when you have to do repetitive drilling of holes.

 

Engineered to be used in stationary machines and drill presses, the bits in the set are made of cobalt steel, which enables them to handle years of cutting. Cobalt steel is very hard and is useful for boring into material that can be prove to be extremely hard for basic high speed drill bits designed only for stainless steel and other thick metal workpieces. The cobalt element is also resistant to heat damage and accidental breakage.

 

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