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China, Chinese Manufacturer Steel Machine Screw/Tapping Screw/Driling Screw/Wood Screw/Chipboard Screw/Drywall Screw1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Building HardwareFastener FittingScrewFastener
Tianjin Longshi Fasteners Co., Ltd.
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Product DescriptionPRODUCT PARAMETERSelf-Tapping ScrewSelf-tapping screws are fasteners designed to thread directly into materials without pre-drilling, ideal for wood, thin metal, plastic, and composite surfaces. Their pointed tip and sharp threads cut or form a mating thread as they're driven in, eliminating pre-drilling steps. Common materials include carbon steel (galvanized for rust resistance), stainless steel (304/316 for corrosion), and brass. Sizes range from M2 to M12, with lengths up to 100mm, and thread types like self-tapping (ST) for metal or wood-drilling (F) for timber.Applications span:Furniture & Woodworking: Quick assembly of panels and frames without pre-holes.Construction: Fixing drywall, metal studs, and roofing sheets.Electronics: Securing casings and circuit boards with small M2-M4 sizes.Automotive: Attaching interior trims and body panels.DIY Projects: Fencing, shelving, and home repairs.Self-Tapping ScrewThread sizeST2.9ST3.5ST4.2ST4.8ST5.5Pthread pitch1.11.31.41.61.8dkTheoryMax6.38.29.410.411.5ActuaMax5.57.38.49.310.3Min5.26.988.99.9kMax1.72.352.62.83rMin1.21.41.622.2yreference valueC2.63.23.74.35F2.12.52.83.23.6R-2.73.23.64.3SlotNo1015202525Areference value2.83.353.954.54.5tMax0.911.31.581.782.03Min0.6511.141.391.65ABOUT USLONGSHI FASTENERS MANUFACTURING CO.,LTD.,Longshi Fastener Manufacturing Co., Ltd., founded in 2008, is located in Shahe City, Hebei Province, close to the country's largestLarge fastener industrial cluster - Yongnian standard parts Industrial Park. The company headquarters covers an area of 21 thousand square meters, the annual output value of 200 million yuan, with more than 200 employees, with domestic More than 100 sets of advanced production equipment. It is a "manufacturing + service" type enterprise integrating fastener production, intelligent warehousing and e-commerce sales. The company's construction of the sea screw e-commerce park is located in Yongnian District, Handan City, Hebei Province, covers an area of 45 acres, the park planning and construction of office area, production area, packaging area, storage area, etc., to provide fastener production, packaging, warehousing, e-commerce sales and other services. Longshi mainly produces high quality and high strength fasteners, and "Longshi" screws have become a well-known brand in the industry. Longshi always adhere to quality first, reputation first. From raw material procurement, design and development, production and processing to products strict quality control is implemented in every link of quality testing and sales to win the recognition of our customers. The company has established standardized product testing laboratories and quality testing processes and standards to ensure that products strictly comply with national standards.FAQQ1: What is your minimum order quantity (MOQ)? Do you charge extra for small orders?100 pieces MOQ (most peers require 1,000+), no price premium for small orders. First-time customers for cross-border e-commerce/trade get free samples.Q2:Do you support custom orders? How long does the customization process take?Longshi Advantage: 8-dimensional customization (material, specification, surface treatment, etc.), with 3D design drawings + process plans.Q3: What if an item is out of stock?Stockout rate <0.1% (peers: 10+%), with real-time inventory monitoring. For extreme stockouts, free upgraded alternatives are provided (peers often leave clients waiting indefinitely).Q4: Do you provide technical support, such as installation guidance or drawing optimization?Dedicated 1v1 engineer team offering free technical support.Q5:Can I visit your factory or arrange a factory audit?Support online factory tours (real-time video of production lines/laboratories) and offline visits (pick-up service available).
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