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How square holes are drilled?
Like all drill bits, the auger bit bores a hole and ejects the chips. Meanwhile, the four sharp edges of the chisel pare the wood around the bored hole into a square shape. The auger bit removes this waste, as well, through a chip ejection slot in the chisel.
What is a hex screw?
Hex bolts, or hex cap screws, are large bolts with a six-sided head (hexagonal!) used to fasten wood to wood, or metal to wood.
What can I use as a hex screw?
Hex bolts can be used either in pre-tapped holes or with nuts, depending on the application. They can then be tightened using a range of tools including a hex bolt wrench, socket sets, spanners, hex keys, and ratchet spanners.