Chinese wholesale ASTM A194 2HM Heavy Hex Nuts for Barcelona Manufacturers

ASTM A194/A194M 2HM Heavy Hex Nuts API 6A Flange Valve Wellhead Heavy Hex Nuts Dimension Standard: ASME B18.2.2, ASME B18.2.4.6M, ISO 4033, Din934 H=D Inch Size: 1/4”-4” with various lengths Metric Size: M6-M100 with various lengths Other Available Grade: ASTM A194/A194M 2H, 2HM, 4, 4L, 7, 7L, 7M, 8, 8M, 16 and so on. Finish: Plain, Black Oxide, Zinc Plated, Zinc Nickel Plated, Cadmium Plated, PTFE etc. Packing: Bulk about 25 kgs each carton, 36 cartons each pallet Advantage: High Quality, Competitive Price, Timely Delivery,Technical Support, Supply Test Reports Please feel free to contact us for more details.

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    https://www.learningconstruction.com

    Step by Step Tutorial Learn how to use a rotary laser level. This is a small beginners tutorial to explain how rotary levels work and how to use them.

    A Laser level can be used to determine the elevation of diferent areas on a plane, or to set an elevation of many items like concrete form boards, building pads, sewer lines and much more.

    initial steps:

    1. Set up your laser with a tripod. make sure to place it on an area that will reach all the points you will be checking.

    2. Install the rotary laser as level as possible. Most rotary lasers are capable of self-leveling; however, you need to place it on a surface that is somehwhat level otherwise it will not work.

    3. Set a benchmark. This will be your control point to the elevation you want. For example, let’s say your level was set next in a landscape area, and you need to make the area level. look for the spot that resembles to your desired elevation, and measure the height with your measuring stick.

    4. Double chek your elevations.