About B Power Tools
How B Power Tools researches fastener, bit, and driver references.
B Power Tools covers screws, fasteners, drill sizes, and the tools that drive them. The site is produced by an editorial desk; it does not claim that a named tradesperson personally tested every item.
Reference tables name their source, preserve the source’s precision, and distinguish a nominal conversion from a safe recommendation for a particular joint. Product manuals, drawings, and controlled specifications take priority when fit or safety matters.
Nothing is sponsored and no manufacturer pays for placement. Corrections can be sent through the contact page.
How this site is written
Dimensions and compatibility depend on the exact fastener, material, tool, and manufacturer. We show the matching logic and name the source; verify the packaging and tool manual before drilling or driving.