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13mm to 100mm Length Hexagonal Head Self Drilling Self Tapping Good Wear Resistant Ruspert Dacromet Carbon Steel Screws with EPDM Washer Underhead2
Building Hardware, Fastener Fitting, Dacromet Coated Screws, Dacromet Coated Bolts
Hangzhou Union Hardware Co., Ltd
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Product Description Our Advantages Product DescriptionUnion Carbon Steel Corrosion Resistant ScrewsNameCorrosion Resistant Screws DacrometMaterialCarbon SteelSizeM3.5-M4.8 or non-standard as request&designLength13mm-100mm or non-standard as request&designSurface TreatmentDacrometQualitySample Testing Or Third-party InspectionOriginMade In ChinaLead TimeBased on quantity Carbon steel screwsCarbon steel is a versatile material used for making the wide array of screws that serve as vital fasteners in countless applications. Different screw types have evolved for specific uses, taking advantage of carbon steel's strength, machinability and low cost. Common carbon steel screw varieties include self-tapping, self-drilling, T17 timber, and resistant head.Self-tapping screws have threads that cut into material as they are driven in, creating internal threads for securing into materials like plastics, sheet metal or wood. Self-drilling screws combine drilling and tapping into one operation, fully eliminating any pilot hole requirement. Self-drilling screws provide fast assembly of overlapped metal sheets or other materials up to moderate thicknesses.T17 screws are designed specifically for fastening into wood materials. They have a thinner shank and tapered shape for reducing wood splitting while providing holding power. T17s are commonly used in woodworking and construction projects.Resistant screws have special head treatments to withstand specific exposure conditions. A range of coatings and surface treatments have been developed to make carbon steel screws rust-resistant for use in outdoor, marine and other demanding settings.Carbon Steel Technical DetailsTypesCarbon contentANSIhardness LevelApplicationcharacterlow-carbon steel0.05-0.3%C10104.8Used for general screwsrelatively low tensile strengthC10184.8Used for Carburized screws or Thin screws with M4.0 diameter or lessC10225.8-Medium-carbon steel0.3-0.6%C10458.8-good wear resistance35ACR10.9Used for thin screws with M4.0 diameter or less40ACR10.9Used for M4~M10 diameter screwsHigh-carbon steel0.6-1.0%- -extremely strong yet more brittlehigh wear resistanceUltra-high-carbon steel1.25-2.0%- -can be tempered to great hardnessUsed for special purposesProduct ApplicationCompany Profile Quality Control Certifications FAQ
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