Metric Streamline Collars Zinc

Easy size verification inside and outside. Easy installation-deep slotted stainless steel machine screws for maximum torque. Stainless steel allen cap screws available upon request. Innovative O-rings keep screws from falling out. Our famous boat zincs, now in metric! Sea Shield Marine metric streamline collars provide easy size verification, are pressure die cast and conform to the highest Mil-Spec standards. Our Streamline Collars are available in Zinc or Aluminum, install with just 2 deep-slotted stainless steel machine screws providing maximum torque, and are extremely durable. Part No Shaft Size Thickness Outside Dim Weight(lb) Box Qty SL-25mm 25mm 2″ 2-1/4″ 1.000 N/A SL-30mm 30mm 2″ 2-1/4″ 0.978 N/A SL-40mm 40mm 2-5/8″ 2-3/4″ 1.800 N/A SL-50mm 50mm 3″ 3-1/4″ 2.650 N/A SL-60mm 60mm 4″ 4-1/2″ 4.900 N/A