What Are Square Bits Called
This Type of Screw Will Require the Use of Screwdriver Bits Are Known as Square Recess Bits or Roberston Bits. the Are Sometimes Called Roberston Because They...
This type of screw will require the use of screwdriver bits are known as square recess bits or roberston bits. The are sometimes called roberston because they were invented by a Canadian named P.L. Roberston in 1908.
What is a Robertson bit?
A Robertson screw, also known as a square or Scrulox screw drive, is specified as ANSI Type III Square Center and has a square-shaped socket in the screw head and a square protrusion on the tool. Both the tool and the socket have a slight taper.
What is a square bit used for?
Square drive screws have a center square that neatly fits a driver – advantages to consider when working on a construction or DIY projects that use composite materials or join angles. For starters, they are most resistant to cam-outs or screwdriver slips, and the connections are tight.
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