I put together a Drill Conversion chart which includes fractional size,
numbered sizes, lettered sizes and metric sizes, all with their
decimal equivalents, sorted by size. Available in
Feeds and Speeds for HSS Drills Reamers and Taps.
I combined several pages from
into PDF and
A nice Tap and Drill Guide
End Mill Feeds and Speeds and
the associated Cutting Fluids.
A variety of Formulas
Toolbit Grinding -
Toolbit Shapes -
Turning Tool Angles
Ever wonder what the proper names are for all of those nuts and bolts?
has some really nice Printable Charts.
Stanley Industries has a useful
page on Dowel Pins.
There are also useful pages on many other types of
fasteners. Note: I
haven't purchased anything from these guys, but they have some neat
Morse Taper -
Wood Working Related
I work with wood as well, so this
Lumber Chart for ranking various
attributes and machining operations.
Wood Screw pilot hole sizes.