Nevertheless, the main value of the siberian cedar are its nuts. cedar nuts collected in the environs of leningrad (and, as an analysis has demonstrated, they are in no way inferior to those from siberia) contain 61% oil, 20% proteins, 12% carbohydrates. in russia, as far back as the time of ivan the terrible, cedar nuts were an object of export.
Carriage bolts have a round head and square neck that prevents the bolt from turning when the nut is tightened. carriage bolts are used in wood or metal construction applications where the square neck grips into the part being fixed preventing the head from turning.
Bolts secure material by applying pressure from the head of the bolt. they fit with corresponding tapped holes and nuts to create bolted joints. cap screws and hex bolts have heads designed for tightening to exact specifications with ratchets or spanner torque wrenches.
Sleeve anchorsmasonry & concrete anchors : sleeve anchors : medium-duty. length is measured from the washer to the end of the anchor. sleeves pinch the side of the pilot hole and get tighter as the screw is driven into place. best for medium-duty applications, such as metal railing and grab bars, set in concrete block. toggle boltmasonry ...
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