Factory made hot-sale Hook Bolts for Singapore Importers

A range of hook bolts, used in the roofing industry for fixing cladding and roofing panels to steel frames. Hook bolts, also commonly known as 'J' bolts and supplied with nuts.  Inch Thread Size: 1/4"-4" with various lengths Metric Thread Size: M6-100 with various lengths Material Grade: Carbon Steel, Alloy Steel, and Stainless Steel covers ASTM F1554, A307, A449, A354, A193, A320, F593, ISO 898-1 4.8, 6.8, 8.8, 10.9 Finish: Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, and so on. Packing: Bulk about 25 kgs each carton, 36 cartons each pallet. Or, comply with your requirement. Advantage: High Quality and Strict Quality Control, Competitive price,Timely delivery; Technical support, Supply Test Reports Please feel free to contact us for more details.  

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    On February 17, 1864, in the waning years of the Civil War, the Confederate submarine H.L. Hunley pressed a black powder explosive against the side of the Union ship USS Housatonic and sank it, becoming the first submarine ever to be successful in combat. Even though the submarine was raised in the year 2000, efforts to conserve her only deepened the mystery of why she sank, as the remains of the crew were all found seated peacefully at their battle stations with no signs of trauma or attempts to escape the doomed vessel. Dr. Rachel Lance, an expert in biomedical engineering from Duke University, will present an illustrated lecture on her research, and findings as to the fate of the Hunley and her crew.
    Presented in partnership with the Washington Area Maritime Archivists Curators and Historians Group.