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  • Slotted Hex Washer Head Self Drilling Screws (Part-1)

    Slotted Hex Washer Head Self Drilling Screws (Part-1)

    Slotted Hex Washer Head self drilling screws、self tapping screws Slotted screws, head groove depth, groove width standard precision, high precision cold pier machine after molding, maintain excellent metal streamline, head bar joint chamfer (R Angle) design, to ensure the product strength and ...
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  • Solar Panel Roof- Hanger Bolts (Part-4)

    Solar Panel Roof- Hanger Bolts (Part-4)

    Solar hanger bolts are one of common components for solar panel mounting installation especially for metal roof mountings. There are two kinds of solar panel hanger bolts. The one is pointed head, which is for wooden rafter. The other is flat head for steel purlin. Flange nuts and EPDM must be a...
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  • Solar Panel Roof- Hanger Bolts (Part-3)

    Solar Panel Roof- Hanger Bolts (Part-3)

    Solar hanger bolts are designed for trapezoidal / zinc / corrugated / sandwich metal roof profiles. Our solar hanger bolts are a SUS304 fasten parts to fixed rails and roofing mountings. Two length 200mm and 250mm options can be suitable for adjust distance between brackets / L foot rails and me...
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  • Solar Panel Roof- Hanger Bolts (Part-2)

    Solar Panel Roof- Hanger Bolts (Part-2)

    Product Description DD Fasteners Solar Hanger Bolts with Adapter are made of high quality stainless steel SUS 304 with ISO9001/TUV/SGS certificates. The design of the screw is designed to facilitate customer understanding and installation. Double Thread Screws can be applied to install on both w...
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  • Solar Panel Roof- Hanger Bolts (Part-1)

    Solar Panel Roof- Hanger Bolts (Part-1)

    Roof Mounting Hanger Bolts Components , Solar Panel Roof Hanger Bolts Product Description : Our solar hanger bolts are a SUS304 fasten parts to fixed rails and roofing mountings . Two length 200mm and 250mm options can be suitable for adjust distance between brackets / L foot rails and metal roo...
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  • Sandwich Panel Screw (Part-4)

    Sandwich Panel Screw (Part-4)

    SPECIFICATIONS - Head style 5/16” (8 mm) - Washer diameter standard 19 mm - Galvanised EPDM bond seal - Support thread - Thread for substructure wood - Drilling point 2 reduced Usage - For fastening wall sandwich panels in a vertical and horizontal arrangement - For fastening roof sandwich pa...
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  • Sandwich Panel Screw (Patr-3)

    Sandwich Panel Screw (Patr-3)

    With these sandwich panel screws you can mount sandwich panels on steel. Thanks to the self-drilling tip, it is not necessary to pre-drill the sandwich panel screws. The screws are made of stainless steel so they do not oxidize. The 19 mm EPDM ring under the hexagon head ensures a watertight ins...
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  • Sandwich Panel Screw (Patr-2)

    Sandwich Panel Screw (Patr-2)

    Sandwich panel screw (Ruspert coated carbon steel) with 19 mm washer and supporting thread for thick steel base structures (up to 15 mm) A.K.A : Hex Head with EPDM Washer Double Thread Sandwich Panel Screw Self Drilling Roofing Screws Base materials:  Carbon steel Environmental conditions:  Dry...
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  • Sandwich Panel Screws (Part-1)

    Sandwich Panel Screws (Part-1)

    Are you looking to secure sandwich panels on wood or steel? Look no further, DD Fasteners has sandwich panel screws in various sizes! We has sandwich panel screws in 2 versions. Namely sandwich panel screws for mounting on wood and sandwich panel screws for mounting on steel. Our sandwich panel ...
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  • Steel Frame Screws Tap-tite Pancake Head (Part-3)

    Steel Frame Screws Tap-tite Pancake Head (Part-3)

    A needle point pancake head (aka truss/ Pan/ Pancake head) screw designed for steel frame construction. The flat, low-profile head is ideal for steel frame construction as it allows plasterboard and other sheeting to sit even and prevent bulging. The needle point is designed to drive into pre-pu...
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  • Steel Frame Screws Tap-tite Pancake Head (Part-2)

    Steel Frame Screws Tap-tite Pancake Head (Part-2)

    Head Type: Pancake,Serrated flat head Point Type: Needle Material: Carbon Steel Finish: Class 3 Ruspert coating for screws The Serrated flat head Frame Screw is designed for connecting wall frame components together through pre-punched holes. Suitable for use in the assembly of: Steel Wall Frame...
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  • Steel Frame Screws Tap-tite Pancake Head(Part-1)

    Steel Frame Screws Tap-tite Pancake Head(Part-1)

    The new product is here. Recently, many friends from Australia and Europe are inquiring about this screw. We are here to introduce it to you in detail this time. Frame screws are used for all steel frame connections, the taptite triobular thread reduces friction in its thread forming action. Pro...
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