Wholesale Dealers of ASME B18.21.1 Lock Washer for Italy Importers

ASME B18.21.1 Spring Lock Washers Tooth Lock Washers Dimension: ANSI B18.21.1 Various Material Steel and Grade are available. Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, and so on 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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    Quadcopter frame made from easily obtainable parts, from your hardware or arts and crafts store. See Part2, the initial test flight here https://youtu.be/I9Lai6Rc-J8

    1/8 sheet wood for top/bottom plates.
    1/2 wood dowel for arms
    1″ 6-32 screws, inner.
    2″ 6-32 screws, outer.
    4″ hole saw, to make top/bottom plates.

    Multiwii 1.7 (ATMEGA Firmware)
    Wii Mmotion+ – Gyro (from wiimote and nunchuck)
    BMA180 – Accelerometer
    ESC – TURNIGY Plush 18amp Speed Controller (hobbyking)
    Motor – 2210N 1000Kv Brushless motor (hobbyking)
    Power Bus – home made.

    The remote control/transmitter is nothing special, you can use any rc remote, I use a standard 2.6ghz transmitter / receiver. I mean any rc trasmitter/receiver will do, even from your old rc toys. Just make sure it is legal in your country to use it on an rc aircraft..



    St. Louis Screw & Bolt is one of the longest operating bolt manufacturers in the United States and, in fact, the world. SLSB specializes in HEX HEAD BOLTS in A325 & A490 type I, III Hot Dip Galvanized, Mechanically Galvanized, Weathering and Plain Finish. We also custom manufacture Anchor Bolts, Tie Rod Assemblies, U-Bolts, Eye Bolts, and J-Bolts in diameters from 1/2″ through 4″ and up to 40 feet in length. Along with manufactured products, SLSB specializes in and has among the nations largest stock of TC bolts (tension shear) ASTM F2280/A490 & ASTM F1852/A325. SLSB also sells and services Wrenches for TC and Hex Bolts, along with stocking several different types of fasteners. Please check out our products for a more in depth look.
    We are members of several fastener industry associations including the Industrial Fastener Institute. At St. Louis Screw & Bolt we are always interested in what is going on in the Construction business which is why we have joined several associations like; National Steel Bridge Alliance American Institute for Steel Construction and many steel fabrication associations just to name a few.
    SLSB has well trained, experienced personnel who know construction bolting and can help provide answers to your toughest bolting questions.