W3 .Screw & housing .Stainless steel throughout
NORMACLAMP® TORRO® Plain Band Worm Drive Hose Clamp Asymmetric housing prevents the clamp from tilting, ensuring an even distribution of forces and safe assembly Phillips/Hexagonal head suits screwdriver, spanner & Norma Tool 9.0mm BW, 12-20mm,, W3 S/Steel 430 Multi-range hose clamp No chromium (VI) used for coating purposes Asymmetric housing provides high clamping force & superior torque strength Torro WDHC offset housing ensures our clamps align perfectly on the hose for optimal seal