https://tools.niva.blog/blog Niva Tools is a practical editorial site for DIY basics, small repairs, household tools, drilling, measuring, screws, and safer work at home. en-US contact@niva.blog (Niva Tools editorial) contact@niva.blog (Niva Tools editorial) Fri, 01 Aug 2025 00:00:00 GMT https://tools.niva.blog/blog/how-to-use-hex-keys-and-allen-bits-without-rounding-fasteners https://tools.niva.blog/blog/how-to-use-hex-keys-and-allen-bits-without-rounding-fasteners Hex fasteners round out when the key fit is sloppy, the tool angle is wrong, or the fastener is tightened beyond what the small recess can tolerate. Fri, 01 Aug 2025 00:00:00 GMT contact@niva.blog (Niva Tools editorial) hex key setfastenersassembly