Sleeve nuts

ART. 179 - Sleeve nut with flat head and hexagon recess

ART. 178 - Sleeve nut with round head and hexagon recess

ART. 409 - Sleeve nut with flat head and slot recess

ART. 156 - Sleeve nut with flat head and slot recess

ART. 159 - Sleeve nut with flat head and slot recess