High-speed propeller is a kind of ship with high speed and fast sailing. It has 3, 4. 5, six and 7 blades, small hub and large ratio of blade surface to disk surface. Usually the engine is high rpm and gear box ratio is less than 2.5:1, so its propeller r
Short Pitch Precision Roller Chain(ISOANSI) Roller chain (DINBS) is known for its high strength and persistent fatigue durability. The sizes fully comply with BS standard. It can be assembled into single-row, double and many rows applying to the transmiss
As the world's leading supplier, we can provide premium Hardware Stamping Parts to meet the needs of many applications. Stamping parts are the most commonly used in hardware processing. It refers to molds for steel/non-ferrous metals and other plates at r