Here is the way to drill those nuts and bolts for use with safety wires without breaking the drill bit. These guide, align, and support the hex head or the bolt threads. The hex fixture fits nuts and bolt heads that measure up to 1-1/4 inches. The SAE fixture bar is threaded for 1/4 inch-20, 5/16 inch-18, 5/16 inch-24, 3/8 inch-18, 3/8 inch-24, and 7/16 inch-14 bolts. The metric fixture bar covers M6 x 1.0 millimeter, M8 x 1.0 millimeter, M8 x 1.25 millimeter, M10 x 1.25 millimeter, M10 x 1.5 millimeter, and M12 x 1.5 millimeter sizes.
- Perfect way to drill nuts and bolts for use with safety wire without breaking the drill bit
- These heavy duty, plated metal guide blocks guide, align, and support the hex head or bolt threads for a perfectly centered, square wire hole
- The hex fixture fits nuts and bolt heads that measure up to 1-1/4 inches
- SAE guide bar is threaded for 1/4-20, 5/16-18, 5/16-24, 3/8-18, 3/8-24, and 7/16-14 bolts
- Metric fixture bar covers M6x1.0, M8x1.0, M8x1.25, M10x1.25, M10x1.5, and M12x1.5 sizes
- Perfect way to drill nuts and bolts for use with safety wire without breaking the drill bit
- These heavy duty, plated metal guide blocks guide, align, and support the hex head or bolt threads for a perfectly centered, square wire hole
- The hex fixture fits nuts and bolt heads that measure up to 1-1/4 inches
- SAE guide bar is threaded for 1/4-20, 5/16-18, 5/16-24, 3/8-18, 3/8-24, and 7/16-14 bolts
- Metric fixture bar covers M6x1.0, M8x1.0, M8x1.25, M10x1.25, M10x1.5, and M12x1.5 sizes