Premium stainless steel body + hardened carbon steel drill point for maximum corrosion resistance and drilling performance.
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Ruspert coated bi-metal self drilling roofing screws for the most corrosive metal roofing ...
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Bi-metal wafer head self-drilling screw with stainless head and carbon drill point, for st...
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SS304 head + SCM435 drill point bi-metal construction, drills through steel up to 2mm for ...
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