Sealey Nut and Bolt Cross Drilling Jig

The Sealey Nut and Bolt Cross Drilling Jig is a precision drilling guide designed for accurate perpendicular drilling through nuts and bolts. This compact tool is essential for motorsport applications and engineering work where lock-wiring fasteners is required for safety compliance. The jig accommodates six common metric thread sizes: M6 x 1, M8 x 1, M8 x 1.25, M10 x 1.25, M10 x 1.5, and M12 x 1.5mm. This range covers the most frequently used bolt sizes in automotive and mechanical assembly work. The compact design allows precise drill guidance without cumbersome setup, wh