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Fine Thread Hex Washer Self-drilling Screws

Hex big washer self-drilling screws, for fastening steel sheet to metal, especially for fixing the valley of metal roof and wall curtains constructions.
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Product Description
MaterialApplication
Heat treated steel C1022For fixing steel profile sheets onto steel substrates
Stainless Steel 410
Bi-metal A2/A4+SCM435
Surface TreatmentDrilling Capacity
AS3566 Class 3/Class 4#12   Max Thinckness 6.0mm
#14   Max Thinckness 7.0mm
Washer
EPDM washer
SS304+EMDM bounded washer

DiameterEffective Fixing ThicknessScrew Size
5.5mm/#12 gauge＜10mm12-14x25mm
＜16mm12-14x30mm
＜24mm12-14x38mm
＜30mm12-14x45mm
6.3mm/#14 gauge22-36mm14-14x50mm
22-50mm14-14x65mm
34-60mm14-14x75mm
50-80mm14-14x95mm

*For sizes or specifications not listed, please contact us for further information

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Self drilling screws Roofing screws metal roofing screws Ruspert Roofing Fasteners Metal roofing fasteners DIN7504K self-drilling screws self drilling screw with epdm washer heat treated steel screws Metal Construction Screws
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Tsingri as a professional manufacture, we only produce self-tapping screws and self-drilling screws.
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