Author Archives: Grauenwolf

Super Quench Formula for Mild Steel

This is used to harden mild steel (up to 45-50 points of carbon) by rapidly quenching it. We use it for ad hoc tools. This will not work for hot cuts, as the thin edge will temper quickly and lose … Continue reading

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Finger (Clamping) Plate

The next project in the book is a “finger plate”, which looks like it would be really useful for drilling holes in round stock. If you want the plans hit me up. Base Plate First I would like to say … Continue reading

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Building a Micrometer Stand Part 2

Here’s the completed project. Holding Screw The instructions call for the holding screw to be machined from a piece of brass or plastic so as to not mar the micrometer. What I ended up doing as making it a steel … Continue reading

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Building a Micrometer Stand Part 1

These plans were inspired by Useful Machine Shop Tools to Make for Home Shop Machinists by Stan Bray. Unfortunately the plans and instructions in that book are woefully incomplete, often missing key steps and measurements. Furthermore, they use British screw … Continue reading

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BA to UNC (US) Screw Conversion Chart

For converting British small screws (BA) into equivalent US screw sizes. BA Screw Closest US Screw Clearance Hole Size TPI OD (in) Size OD (in) Tap Drill (in) Close Fit (in) Free Fi (in) BA0 25.40 0.236 ¼-20 0.250 7 … Continue reading

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Fabris – Drills for Plate 24

This play is essentially the same as plate 23, but it starts on the outside. Plate 24 – Common Fencer 1a Both fencers start in 3rd on the outside. The agent provokes a response by beginning to constrains the patient … Continue reading

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Fabris – Drills for Plate 23

This play specifically says the fencers are in misura larga or wide measure. Loosely speaking, this is the range in which you can attack with a single step. Plate 23 – Common Fencer This drill will work better for the … Continue reading

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