Littlemachineshop.com is a cool site with a lot of tools and accessories for the hobbyist machinist. This time I ordered:
- Boring Bar Set, Carbide 3/8" Shank $15.95
- Knurls, Fine Diamond $5.49
- Dial Test Indicator, 0-15-0 x 0.0005" $29.95
- Small Hole Gage Set, 4-Piece $12.95
- Dovetail Cutter, 60° 3/4" Diameter $14.95>
- Cutting Fluid, Re-Li-On 4oz $3.95>
- Thin Parallels, 3" Long 4 Pairs $14.95
Boring bars allows to work internal holes in the lathe or the mill.
Mounted in a tool like scissors (there are other types), they make these pretty tiny rhombus finish some round handtools have.
This nice tool allows you to measure small deviations using a tiny ball end tip. A common use is to center the head of the mill to a piece with an already done hole, to enlarge or finish it.
Small Hole Gage Set
This tools provide you a cheap method for measuring internal diameters. They has an expanding head, so you can copy the size of a hole an then measure it with a micrometer.
Well, I have to say that quality of this item is not very good. To be usable, I was to spend a couple hours with a file and sand paper (even one of the tips gets stuck). But for 13 bucks, you get what you pay for.
This type of end mill is used to cut these common”V” ways.
I usually use current oil (sometimes), but for harder materials a good cutting fluid would be a great help.
In pairs, these are usually used to rise a piece keeping parallelism to the base surface.
Not bad (parallelism is more important than nominal accuracy). The other sides are not very flat, but these are not supposed to be used. My only complaint: some box or bag would be great, as this type of tools must be handled and stored carefully (please note that my mic has 0.01 mm reading; the last digit was approximated by eye).OverallAll these are cheap tools, but fulfills in more or less grade the desired function. High quality tools will cost several times this ones; for example, a mitutoyo dial indicator will easily cost more than this whole pack. Also, as widely know, more importantly than the tool itself is how you use them.