Firearms knowledge simplifies drill bit sizing compromises.
For a woodworking project (a workbench hold-down clamp), I need to use some 1/4-20 T-nuts. Grab the digital calipers to measure the O.D. of the shaft on the T-nut. Dafuq? 0.3" Dude, that's not a standard drill bit size! But even without knowing how to convert to/from metric, I inherently remember that 0.3" is 7.62mm (the diameter of the round used for the AK-47). Ah! I'll just grab an 8mm drill bit - close enough...I'm going to epoxy the bloody thing in there anyway.
For a woodworking project (a workbench hold-down clamp), I need to use some 1/4-20 T-nuts. Grab the digital calipers to measure the O.D. of the shaft on the T-nut. Dafuq? 0.3" Dude, that's not a standard drill bit size! But even without knowing how to convert to/from metric, I inherently remember that 0.3" is 7.62mm (the diameter of the round used for the AK-47). Ah! I'll just grab an 8mm drill bit - close enough...I'm going to epoxy the bloody thing in there anyway.
Firearms knowledge simplifies drill bit sizing compromises.
For a woodworking project (a workbench hold-down clamp), I need to use some 1/4-20 T-nuts. Grab the digital calipers to measure the O.D. of the shaft on the T-nut. Dafuq? 0.3" Dude, that's not a standard drill bit size! But even without knowing how to convert to/from metric, I inherently remember that 0.3" is 7.62mm (the diameter of the round used for the AK-47). Ah! I'll just grab an 8mm drill bit - close enough...I'm going to epoxy the bloody thing in there anyway.
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