{"id":3854,"date":"2025-07-15T20:10:21","date_gmt":"2025-07-16T03:10:21","guid":{"rendered":"https:\/\/guxiangjs.com\/?post_type=product&p=3854"},"modified":"2025-07-15T20:10:21","modified_gmt":"2025-07-16T03:10:21","slug":"round-head-self-drilling-tek-screw-pan-head-self-tapping-sheet-metal-screw","status":"publish","type":"product","link":"https:\/\/guxiangjs.com\/zh\/shop\/round-head-self-drilling-tek-screw-pan-head-self-tapping-sheet-metal-screw\/","title":{"rendered":"Round Head Self Drilling TEK Screw -Pan Head Self Tapping Sheet Metal Screw"},"content":{"rendered":"
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  1. Performance & Material Properties
    \n\u2022 High-Strength Carbon & Alloy Steel: Forged from quenched-and-tempered C1045 carbon steel or 4140 alloy steel, delivering tensile strengths of 750\u2013900 MPa and Rockwell hardness of 38\u201348 HRC for outstanding shear and pull-out resistance in thin metals.
    \n\u2022 Self-Drilling TEK-Style Point: Precision-ground flute hardened to Rc 45\u201350 drills through 0.8\u20133.0 mm mild steel or aluminum without pre-drilling. Spiral chip-evacuation geometry minimizes heat buildup and prevents galling, ensuring clean hole entry every time.
    \n\u2022 Full-Thread Shank & Pan Head: Rolled threads extend from beneath the head to the tip, maximizing clamp load and vibration resistance. The \u00d810\u201312 mm pan head with deep Phillips recess distributes bearing pressure evenly and resists cam-out up to 6 Nm.
    \n\u2022 Durable Galvanized Finish: Trivalent zinc plating (8\u201312 \u00b5m) with yellow or clear passivation offers \u2265240 h salt-spray protection (ASTM B117), delivering long-term corrosion resistance even in humid or mildly corrosive environments.<\/li>\n
  2. Detailed Application Range
    \n\u2022 Metal Roofing & Cladding: Fasten corrugated, standing-seam, or composite roof and wall panels, soffits, fascia, gutter straps, and flashings in residential and commercial projects\u2014no pilot hole needed.
    \n\u2022 HVAC & Ductwork: Secure spiral and rectangular ducts, plenums, fan housings, access doors, and grille frames where vibration-tight, leak-resistant joints are critical.
    \n\u2022 Electrical & Equipment Enclosures: Mount junction boxes, control cabinets, cable trays, light fixtures, and machinery guards in indoor or sheltered outdoor installations, ensuring reliable grounding and strain relief.
    \n\u2022 Light-Gauge Framing & Fabrication: Ideal for steel stud tracks, purlins, signage, display systems, appliance housings, and automotive interior brackets\u2014enabling rapid assembly on thin-sheet metal substrates.<\/li>\n
  3. Effortless Installation & Operation
    \n\u2022 One-Step Drill, Tap & Fasten: Integrated TEK point and full-thread design eliminate separate pilot-drilling and thread-forming operations\u2014cutting installation time by up to 50 % and ensuring repeatable hole alignment even on overhead or angled surfaces.
    \n\u2022 Phillips #2 Drive Compatibility: Deep cruciform recess resists cam-out and engages standard Phillips bits or low-torque electric\/pneumatic drivers, reducing bit wear and operator fatigue.
    \n\u2022 Controlled Seating & Anti-Overdrive Feature: Built-in shoulder under the head prevents over-insertion and substrate deformation; screws seat flush or slightly proud for a neat finish and consistent clamp load.
    \n\u2022 Assortment Kit Convenience: Supplied in a 350-piece kit covering common diameters (M4\u2013M6, #8\u2013#10) and lengths (10\u201335 mm), organized in a clear, compartmentalized case for quick size selection and minimum downtime.<\/li>\n
  4. Superior Quality & Long-Term Reliability
    \n\u2022 ISO & ANSI\/DIN Compliance: Manufactured in ISO 9001\u2013certified plants to ANSI B18.6.4 and DIN 7504 P tolerances (\u00b10.1 mm on diameter, \u00b10.2 mm on length) for global interchangeability and dimensional accuracy.
    \n\u2022 Rigorous Testing & Traceability: Each batch undergoes drive-torque verification, head-pull-off evaluation, and dimensional inspection. Lot-coded from melt to finished screw with material certificates, ensuring full traceability.
    \n\u2022 Corrosion & Finish Integrity: Zinc-plated screws pass \u2265240 h salt-spray per ASTM B117 without pitting; post-plating passivation restores the chromium-oxide barrier, preventing surface staining and enhancing durability.
    \n\u2022 Environmental & Regulatory Assurance: RoHS- and REACH-compliant; free of hexavalent chromium and other restricted substances, providing both performance reliability and environmental peace of mind.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"

    Performance & Material Properties \u2022 High-Strength Carbon & Alloy Steel: Forged from quenched-and-tempered C1045 carbon steel or 4140 alloy steel, delivering tensile strengths of 750\u2013900 MPa and Rockwell hardness of 38\u201348 HRC for outstanding shear and pull-out resistance in thin metals. \u2022 Self-Drilling TEK-Style Point: Precision-ground flute hardened to Rc 45\u201350 drills through 0.8\u20133.0 mm […]<\/p>","protected":false},"featured_media":3855,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[129],"product_tag":[],"class_list":{"0":"post-3854","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-screw","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-variable"},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product\/3854","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"}],"replies":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/comments?post=3854"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media\/3855"}],"wp:attachment":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media?parent=3854"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_brand?post=3854"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_cat?post=3854"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_tag?post=3854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}