OEM/ODM Manufacturer ASTM F436 F436M Hardened Steel Washers for Sheffield Importers

ASTM F436 F436M Hardened Steel Washers Hardened Circular, Clipped Circular, and Extra-Thick Washers, Beveled Washers Metric Size: M12-M100  Inch Size: 1/4”-4” Material Grade: Through hardened washers shall have a hardness of 38 to 45 HRC, except when zinc-coated by the hot-dip process, in which case they shall have a hardness of 26 to 45 HRC. Metric washers are suitable for use with fasteners covered in Specifications A 325M, A 490M, A 563M and with fasteners of Specification F 568 property classes 8.8 and higher. Inch washers are suitable for use with fasteners covered in Specifications A325, A 354, A 449, and A 490. Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, and so on Packing: Bulk about 25 kgs each carton, 36 cartons each pallet 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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    I used crepe dechine fabric, 1.6 m width and 3.5 long with 3% elastine. In general, the fabric should stretch a little bit in length and ok stretch in width. For such type of hammock, it’s better to take stretchy and wide fabric as wide as your hight. There are special fabrics aerial silk, specially made for aerial gymnastics or dance, and is perfect for yoga hammocks. However, if you just need to hang upside down to improve your spine, you can save some money and choose something from a regular local fabric store. My hammock costed me approximately 20 dollars :) Be sure to sew zig-zag many times to make your straps very strong, use high-quality thread.

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