A307 B Heavy Hex Bolts Price - ASME B18.21.1 Lock Washer – Dingshen Metalworks

A307 B Heavy Hex Bolts Price -
  ASME B18.21.1 Lock Washer – Dingshen Metalworks

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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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We believe that prolonged expression partnership is really a result of top of the range, value added support, rich encounter and personal contact for Square Head Bolts , DIN125A Flat Washers , Threaded Rods Manufacturer , With a wide range, good quality, reasonable prices and good service, we will be your best business partner. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
A307 B Heavy Hex Bolts Price - ASME B18.21.1 Lock Washer – Dingshen Metalworks Detail:

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.


Product detail pictures:

A307 B Heavy Hex Bolts Price -
  ASME B18.21.1 Lock Washer – Dingshen Metalworks detail pictures

A307 B Heavy Hex Bolts Price -
  ASME B18.21.1 Lock Washer – Dingshen Metalworks detail pictures


The organization upholds the philosophy of "Be No.1 in good quality, be rooted on credit history and trustworthiness for growth", will keep on to provide previous and new customers from home and overseas whole-heatedly for A307 B Heavy Hex Bolts Price - ASME B18.21.1 Lock Washer – Dingshen Metalworks, The product will supply to all over the world, such as: Greece , Madagascar , Nigeria , Our company has already have pass the ISO standard and we are fully respect our customer 's patents and copyrights. If the customer provides their own designs, We will guarantee that they will be the only one can have that products. We hoping that with our good products can bring our customers a great fortune.



  • How to properly install a butterfly valve onto a Poly Processing IMFO®, Integrally Molded Flanged Outlet, polyethylene tank. When installing larger assemblies like a valve or flex joint on to a poly tank, an extra set of hands is helpful. Start with the gasket against the IMFO®. Hold the valve against it, take the backing ring and place it on.

    Now insert one all-thread and through the front of the assembly. Add a wedge washer, flat washer, and nut to the back of the assembly.

    Now that we’e added hardware to the back of the all thread, add the flex joint to the front of the butterfly valve. An important note at this stage is to not leave out the included spacer. The spacer is very important when we use a PVC flange against a PTF and composite flex joint. With stainless steel flanges, these spacers would not be required. Just like on the back side of the IMFO®, we’re going to add hardware top the front side of the all threads. The only difference is that there will not be a wedge washer on this side of the hardware. Tighten each nut down in a criss-cross pattern. Once all hardware is tightened, a crow’s foot can be used to get in between the two flanges and use an actual torque wrench to tighten to 20 ft-lbs

    Next, add the valve handle. Remove the retainer screw from the top of the assembly. Line up the pattern of the valve handle and press down in to place.

    Learn more about polyethylene tanks and fittings: http://www.polyprocessing.com/



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