Description
The text describes a Robertson screw bit, which is a type of fastener used in woodworking. The bit has a square socket and a protrusion on the tool, and a tapered socket. The bit is easy to use one-handed, because the tapered socket tends to retain the screw, even if it is shaken. The bit is also specified as ANSI Type III Square Centre, which means that it is compatible with a variety of screwdrivers.
Square Recess | Robertson Bits
Square Recess Bit: No. 2 (length: 25 mm)
Packaging: Bulk (sold per piece)
A Robertson, also known as a square or Scrulox screw drive is specified as ANSI Type III Square Centre 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. As patents expired and awareness of their advantages spread, Robertson fasteners have become popular in woodworking and in general construction. Robertson screw bits are easy to use one-handed, because the tapered socket tends to retain the screw, even if it is shaken. Universal hexagonal shaft in
6,35 mm (¼ inch)
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