bolt, screw, fixation
drawing, blueprint, screw
equipment, isolated, tool
technical, drawing, blueprint
cross screw, wood screw, metal
fasteners, screw, nail
technical, drawing, blueprint
screws, spirals, crack
technical, drawing, blueprint
technical, drawing, blueprint
screw, material, bolt
screw, pin, engineering
technical, drawing, blueprint
technical, drawing, blueprint
screw, equipment, rope