Home
- What's New: home page and list of updates to this site.
- Site Index: a list of all of the page on this site.

Vim Scripts
- TagHighlight: highlighting of typedefs, #defines, enumerated names etc in Vim.
- EasyColour: colour schemes made easy!
- Bandit Colour Scheme: a colour scheme for Vim.

Metalwork
- Introduction: an introduction to the metalworking pages on my website.
- My Workshop: some information about my metalworking workshop.
- Mini-Lathe: improvements and tooling for my mini-lathe.
- SX3 Milling Machine: improvements and tooling for my milling machine.
- Harrison M250: improvements and tooling for my Harrison M250.
- Grinder: improvements and tooling for my bench grinder.
- Bandsaw: improvements and tooling for my bandsaw.
- Welding: projects related to welding.
- Miscellaneous: metalworking-related stuff that doesn't fit elsewhere.
- Metalwork Calculators: a selection of on-line calculators related to metalworking.
- Metalwork Data: some useful data for metalworking projects.

Woodwork
- Introduction: an introduction to the woodworking pages on my website.
- My Workshop: some information about my woodworking workshop.
- Hand Tools: hand tools and accessories that I've made.
- Power Tools & Accessories: power tool accessories that I've made.
- Benches: benches that I've made.
- Furniture: furniture that I've made.
- Boxes: boxes that I've made.
- Outdoor Projects: outdoor projects I've done.
- Other Projects: woodwork projects that don't fit into the other categories.
- Woodwork Calculators: a selection of on-line calculators related to woodwork.

3D Printing

Software
- ARPCalc: a powerful reverse polish calculator.
- Digraph: a simple tool to make symbol entry easier when typing.

Useful Tools and Notes
- Google Maps to GPX: a tool to create route plans for your GPS with Google Maps.
- GEMF Format: a format for efficiently storing map tiles for use off-line on smart phones with FAT32 or similar file systems.
- Ebay Seller Blacklist: a browser plug-in to allow you to blacklist bad ebay sellers.

Flange Nuts

It's worth noting that some standards differ for the across-flats dimensions. The dimensions below are (I believe) the standard sizes in the UK.

Size	AF	AC	T	OD
M3	5.5 mm	6.4 mm	3.7 mm	8 mm
M4	7 mm	8.1 mm	4.5 mm	10 mm
M5	8 mm	9.2 mm	5 mm	11.8 mm
M6	10 mm	11.5 mm	6 mm	14.2 mm
M8	13 mm	15.0 mm	8 mm	17.9 mm
M10	15 mm	17.3 mm	10 mm	21.8 mm
M12	18 mm	20.8 mm	12 mm	26 mm
M16	24 mm	27.7 mm	16 mm	34.5 mm
M20	30 mm	34.6 mm	20 mm	42.8 mm

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