ASTM F912 Set Screws Price - A2-70 A4-70 ASTM F593 Stainless Steel Hex Bolts – Dingshen Metalworks

Stainless Steel Hexagon Head Bolts Hex Cap Screws Standard: ASME B18.2.1, DIN931, DIN933   Various configurations are also available Inch Size: 1/4”-1.1/2” with various lengths Metric Szie: M6-M39 with various lengths Material Grade: ASTM F593 A, B, C, D, E, F, G, H; ISO 3506 A2-70, A2-80, A4-70, A4-80 Finish: Plain 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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    In late 1944, RLM’s Techical Director Siegfried Knemeyer, authorized the construction of a twin HWK bi-fuel liquid rocket powered flying machine whose sole purchase was to break the speed of sound. At war’s end May 1945, the DFS 346 was about 70% complete. The USSR captured the unfinished project and recalled all the workers…at that time the area would become the DDR. In 1946, the 346 was finished and shipped to the USSR along with its workers and their families…about 700 people in all. The 346 was test flown. It did not reach Mach I, instead at 0.92 Mach the 346 went into an uncontrollable spin. The pilot bailed out and the 346 was destroyed hitting the ground.