Question 1

Would this drill through soft plastic for modelling?

Accepted Answer

Yes easily, it drills through aluminum without too much trouble too, but the very thin drill bits did understandably snap.

Question 2

How many of each bit size is their?

Accepted Answer

Wow ...I never counted them, but  I think the advertisement said 10 or 12 of each size.
I can tell you this much, the box is full of drill bits. I can tell you this as well if this big assortment of the drill bits are/is for your use around your,
 garage, fixing things for friends and family you are going to be very satisfied with what you will get for the dollars these costs.

These bits are way better than the no-name, two to a little bag for $1.99 ones you buy at the local hardware. 
These are good bits, BUT the are no professional bits; you will brake the little ones in half easily, you must go slow at first, be careful.
If you must/need to punch through a steel background, these will not do it easily, you will snap off several trying.
So go to the REAL HARDWARE STORE, get or ask for the size you need, there are for JUST drilling out steel, etc.
If you have any experinces with drills, bits, etc., you would like having this in your inventory of needed items.

Question 3

What are the lengths of each bit size?

Accepted Answer

I would say they are common lengths for the diameters. Smallest being about 2 inches and the largest 6 inches.

Question 4

Do these work with a standard 3/8 chuck drill??

Accepted Answer

All but the very largest bit. The kit is as the photo shows, with different amounts of different sizes bits. Of all the 230 bits, there is only a single 1/2 inch bit, and it does not fit my 3/8 drill. I do have a 1/2 inch, and it fits there. But 229 bits fit!

- 230 Pcs Titanium Coated Drill Bit Set for Wood, Metal, Plastic & Aluminum Alloy - 3/64" to 1/2" with Storage Case

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