The single-edged, mechanical nut blaster is used to blast stuck, rusted or over-torqued grade 6 nuts. The cutting edge of the bit, which is sharp due to a facet grind, penetrates deep into the nut when the spindle is tightened until it is blasted.

M2 - M6 Bolt Sizes (4 to 10mm) (3/16" to 3/8" across flats)