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China, Chinese Hex Nut, Bolt and Nut, China Fasteners / Pernos Y Tuercas / Parafusos E Porcas Supplier1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Fastener FittingNutBolt and NutChina Fasteners / Pernos Y Tuercas / Parafusos E Porcas SupplierChina FastenersNut
Tianjin Longshi Fasteners Co., Ltd.
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Product DescriptionPRODUCT PARAMETERHEX NUTHexagon nuts are versatile fasteners with a six-sided head, designed to mate with bolts for secure clamping. Their standardized geometry allows easy tightening with wrenches or sockets. Common materials include carbon steel (zinc-plated for rust resistance), stainless steel (304/316 for corrosion environments), and alloy steel. Strength grades (e.g., 4.8, 8.8, 10) define tensile resistance, while standards like DIN 934, ISO 4032, and ASME B18.2.2 specify dimensions (M3–M100) and thread types (metric/inch). The threaded interior creates preload force via mechanical engagement, often paired with washers to distribute pressure.DIN934Thread sizeM1M1.2M1.4M1.6(M1.7)dPthread pitchcoarse thread0.250.250.30.350.35Fine teeth 1/////Fine teeth 2/////mMax=Nominal0.811.21.31.4Min0.550.750.951.051.15mwMin0.440.60.760.840.92sMax=Nominal2.5333.23.5Min2.42.92.93.023.38e′Min2.713.283.283.413.82Thousands of pieces (steel)≈kg0.030.0540.0630.0760.1kNominal4345485057636979Min42.544.547.549.556.462.468.478.4Max43.545.548.550.557.663.669.679.6k1Min29.831.233.234.640.343.747.954.9rMin22222.52.52.52.5sMax=Nominal100105110115130145155180Min97.8102.8107.8112.8127.5142.5152.5177.5Thread sizeM10M12(M14)M16(M18)dPthread pitchcoarse thread1.51.75222.5Fine teeth 111.51.51.51.5Fine teeth 21.251.25//2mMax=Nominal810111315Min7.649.6410.312.314.3mwMin6.117.718.249.8411.44sMax=Nominal1719222427Min16.7318.6721.6723.6726.16e′Min18.921.124.4926.7529.56Thousands of pieces (steel)≈kg11.617.32533.349.4Thread size(M52)M56(M60)M64(M68)dPthread pitchcoarse thread55.55.566Fine teeth 13444/Fine teeth 2////4mMax=Nominal4245485154Min40.443.446.449.152.1mwMin32.334.737.139.341.7sMax=Nominal80859095100Min78.182.887.892.897.8e′Min88.2593.5699.21104.86110.51Thousands of pieces (steel)≈kg12201420169019802300ABOUT 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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