I have written up for myself today a screw gauge chart that I will hang on my shop’s wall for reference. Trying to remember what gauge screw I used on any of previous projects is a nightmare so, I thought if I’m going to write one up for myself I should also share it with you.
You can either print it from this pic which isn’t a high res pic or download the PDF and print in high resolution.
You’re Welcome
Too you didn’t add a volume for pilot hole for hard-working and soft woods and the recommended hole depth.☺
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lol
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It seems to follow more or less two linear progressions. One up to #10 and another above.
I think in metric we have only half as much different dimensions.
Many times in the US system, a bigger # means a smaller dimension, but not here, I am surprised.
interesting link:
https://www.sizes.com/numbers/preferred_numbers.htm
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Nice article on series progresssion.
For a little more numbers fun checkout the video “Powers of Ten” produced by Ray and Charles Eames. They also designed some comfortable chairs.
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I had to do a little more research of finding the head size and head diameter for 3, 2 and 1 forget 0. It was a pain in the backside trying to work it out myself so I searched and searched and came across a business with all the dimensions. I needed this for cad work
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