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, whilst the included storage pouch keeps the jig protected and organised in your toolbox. Ideal for race technicians, motorsport mechanics, and engineers who need to drill cross-holes for lock wire installation, this jig ensures consistent hole positioning every time.