SQ.RECESS NO.1 INSERT BIT

Square Recess Bit:  No. 1 (length: 25 mm)

Packaging: Bulk (sold per piece)

A Robertson, also known as a square or Scrulox screw drive is specified as ANSIType III Square Centre and has a square-shaped socket in the screw head and a squareprotrusion on the tool. Both the tool and the socket have a slight taper.

As patents expired and awareness of their advantages spread, Robertson fastenershave become popular in woodworking and in general construction. Robertson screwbits are easy to use one-handed, because the tapered socket tends to retain thescrew, even if it is shaken.

Universal hexagonal shaft in 6,35 mm (¼ inch)

Based on the Standard Bit, the other bits are optimized by means of various hardening and coating methods. It provides a consistent hardness of ~700HV and features a highly accurate fit in the screw.

The Classic Robertson Bit is hardened using a special procedure. The tough version resulting from this method meets the demands across all areas of industry and craft.

• Security applications
• One-handed use
• Accurate fit in screw head
• Specific driver for each diameter fastener
• ¼ inch drive
• Available in different packaging and quantities