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| Software: RF Cascade Workbook | RF Symbols for Office | RF Symbols & Stencils for Visio | Espresso Workbook | ||||||||||
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Please Support RF Cafe by purchasing my ridiculously low-priced products, all of which I created. RF & Electronics Symbols for Visio RF & Electronics Symbols for Office RF & Electronics Stencils for Visio T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads These Are Available for Free |
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Drill Sizes - Lettered
These drill bits are almost always of the twist type that advance through the material being bored by turning in a clockwise direction as viewed from the top. They are said to be right-hand drill bits.
| Letter | Diameter (in) |
Letter | Diameter (in) |
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| A | 0.234 | N | 0.302 | |
| B | 0.238 | O | 0.316 | |
| C | 0.242 | P | 0.323 | |
| D | 0.246 | Q | 0.332 | |
| E | 0.250 | R | 0.339 | |
| F | 0.257 | S | 0.348 | |
| G | 0.261 | T | 0.358 | |
| H | 0.266 | U | 0.368 | |
| I | 0.272 | V | 0.377 | |
| J | 0.277 | W | 0.386 | |
| K | 0.281 | X | 0.397 | |
| L | 0.290 | Y | 0.404 | |
| M | 0.295 | Z | 0.413 |
Copyright: 1996 - 2026 |
About RF Cafe RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived... |
Copyright 1996 - 2026 All trademarks, copyrights, patents, and other rights of ownership to images
and text used on the RF Cafe website are hereby acknowledge My Hobby Website: My Daughter's Website: |
