14 what big expansion wire does the drill use?
The size of the bit corresponding to the expansion bolt:Bolt, =M16, drill bit, bolt diameter directlyBolt =M20, in addition to the buried depth of =170mm, take the diameter of 24mm, the diameter of the drill bolt
Sleeve type, is ordinary, cheap price, M10 D12, M12 D14, M16 D20, the biggest drawback is to put the bolt can be placed in fixed equipment, if equipment base fixed hole heavy equipment, then put the bolts in any case not put in equipment.
Different expansion bolts form different drill diameters, and the maximum outer diameter of the bolt can be measured.
