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ASTM A194 7, tamaño 1 pulgada x 6 1/2 pulgada longitud, ANSI estándar B18.2.1 ASTM A320 L7 con 2 nueces pesadas, material ASTM A320 L7 del perno prisionero y material ASTM A194 de la nuez
El negro cubrió completamente el perno prisionero del hilo con 2 nueces pesadas, material ASTM A193 B7 del perno prisionero y material ASTM A194 2 H, talla 7/8 pulgadas x 5 longitud de 1/2 pulgadas, ANSI estándar B18.2.1 de la nuez
Fasteners are a very wide range of mechanical parts used to connect parts. Fasteners include Bolts, Screws, Nuts. If Screws, Nuts, Bolts and Screws have Threads, they are called Threaded Fasteners. The thread is divided into Full Thread and Half Thread. The Standard of Bolts are: British, German and American. National Standard Fasteners are Identified as Standard Fasteners or Referred to as Standard Parts. (1) Bolt: A type of Fastener Composed of Two Parts, Head and Screw (Cylinder with External Thread), Bolt and Nut are used to Fix parts with through Holes
4.8 Grade、8.8 Grade、10.9 Grade、12.9 Grade、35#、35CrMo、B16、A193 Gr.B7、A193 Gr.B7M、A193 Gr.B8、A193 Gr.B8M、A320 Gr.L7、A320 Gr.L7M、A2(304)、A4（316）、660 F51、F53、F55 Nickel-based alloy materials
Black Paint, PTFE(Teflon), Nickel Plating (Ni), Galvanized Passivation, Galvanized Nickel, Dacromet, Cadmium Plating... Different materials are suitable for Different Corrosive Environments.
Energy (Electronics, Electrical appliances, Machinery, Chemical, Metallurgy, Mold, Hydraulic) Machinery, Equipment, Vehicles, Ships, Railways, Bridges, Buildings, Structures, Tools, Instruments.
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