1.Exceptional Mechanical Strength and Durability \u2013 Machined from high-grade quenched and tempered alloy steel, these Phillips countersunk flat head self-tapping screws deliver outstanding tensile strength (\u2265800 MPa) and yield strength (\u2265600 MPa). The heat-treated core achieves a Rockwell hardness of 28\u201334 HRC, ensuring excellent thread-forming capability in diverse substrates without bit-breakage or head deformation. A precision-controlled zinc or black-oxide finish provides moderate corrosion resistance and preserves the precise countersink geometry for lasting flush installation.<\/p>\n
2.Wide-Ranging Application Versatility \u2013 Great replacement parts and construction fasteners for machinery, industry, manufacturing applications, household appliances, furniture, woodworking, DIY projects, etc. Suitable for use in a variety of materials, such as plastics, wood, metal, etc. Engineered for direct installation in thin-gauge steel, aluminum, engineered plastics, and composites, these fasteners excel in HVAC equipment, electrical enclosures, automotive trim, appliance assembly, metal furniture, and general industrial fabrication. Their countersunk flat head allows a seamless flush mounting in aesthetic and safety-critical surfaces, while the self-tapping thread profile produces clean, reproducible mating threads, eliminating the need for pre-tapping in most materials.<\/p>\n
3.Fast, Reliable Installation \u2013 The cruciform Phillips drive provides secure bit engagement and easier alignment than slotted drives, reducing cam-out and bit wear. Self-tapping cutting flutes sharply carve threads as they advance, lowering installation torque by up to 30% versus conventional thread forms. Standard pilot holes or no-pilot installations speed up assembly in both automated production lines and field repairs, and the flat countersunk head automatically centers and seats without additional tooling.<\/p>\n
4.Certified Quality and Consistency \u2013 Manufactured in ISO 9001-certified facilities, each batch undergoes rigorous quality control including dimensional inspection, hardness testing, drive-engagement verification, and coating-thickness measurement. Salt spray performance meets or exceeds 96 hours per ASTM B117 for zinc-plated variants. Full material traceability and batch-specific certificates ensure you receive consistently dependable fasteners for critical applications.<\/p>","protected":false},"excerpt":{"rendered":"
1.Exceptional Mechanical Strength and Durability \u2013 Machined from high-grade quenched and tempered alloy steel, these Phillips countersunk flat head self-tapping screws deliver outstanding tensile strength (\u2265800 MPa) and yield strength (\u2265600 MPa). The heat-treated core achieves a Rockwell hardness of 28\u201334 HRC, ensuring excellent thread-forming capability in diverse substrates without bit-breakage or head deformation. A […]<\/p>","protected":false},"featured_media":3370,"template":"","meta":[],"product_brand":[],"product_cat":[129],"product_tag":[],"class_list":["post-3359","product","type-product","status-publish","has-post-thumbnail","product_cat-screw","first","instock","taxable","shipping-taxable","purchasable","product-type-variable"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product\/3359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media\/3370"}],"wp:attachment":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media?parent=3359"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_brand?post=3359"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_cat?post=3359"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_tag?post=3359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}