China Wholesale Insert Nut/Nylon Nut/Spring Nut /DIN934/Bolt Nut/Heavy Hex Nut/Galvanized Hex Nut/Stainless Steel Nut/Anchor Nut

Product Description There are several types of expansion bolts available, including mechanical, and undercut anchors. Mechanical expansion bolts use a wedge or tapered shape to create a secure hold within the material. Undercut anchors use a special drilling technique to create a larger hole in the material, allowing the sleeve to expand even further for a stronger hold.Expansion bolts are commonly used in construction and engineering applications where a secure hold is required. They are easy to install and can be used in a variety of materials, including concrete, brick, and stone. Product Name: Hexagon NutsQuality hex nutss are made from high-quality materials that are carefully selected for their strength, durability, and resistance to corrosion. The manufacturing process for hex nuts should be precise and consistent, with strict quality control measures in place to ensure that each nut meets the required specifications.ApplicationScope of applicationIndustry, home decoration, medical equipment, food factories, car and boat parts and other industries Advantages:1. Supply wide range of hex bolts and nuts 2. Surface Treatment Customized: H.D.G hot dip galvanized, zinc plated(blue and white, yellow, etc.), black oxide, chrome, etc.3. M6-M20 or more hex nuts dimensions optional4. Material Optional: Stainless Steel/Carbon Steel/Alloy Steel/High Strength Steel, etc.5. Standard hex bolt: ASTM/ANSI, DIN, GB, AS, JISProduct ParametersHexagon Nuts Size Chart: specificationpitch of screw(mm)MSSmaxminmaxminM6154.7109.78M81.256.56.141312.73M101.587.641716.73M121.75109.641918.67M1421110.32221.67M1621312.32423.67M182.51514.32726.16M202.51614.93029.16Nut DIN931-1/933SizeModelHead thicknessOpposite side diameter  (min)Diagonal diameterM6A3.85-4.159.7811.05M8A5.15-5.4512.7314.38M10A6.22-6.5815.7317.77M12A7.32-7.6817.7320.03M16A9.82-10.1823.6726.75M20A12.28-12.7129.6733.53Nut GB6170SizeModelHead thicknessOpposite side diameter  (min)Diagonal diameterM6A3.85-4.159.7811.05M6B3.76-4.249.6410.89M8A5.15-5.4512.7314.38M8B5.06-5.5412.5714.2M10A6.22-6.5815.7317.77M10B6.11-6.6915.5717.59M12A7.32-7.6817.7320.03M12B7.21-7.2917.5719.85M16A9.82-10.1823.6726.75M16B9.71-10.2923.1626.17M20A12.28-12.7129.6733.53M20B12.15-12.8529.1632.95Nut GB6172SizeModelHead thicknessOpposite side diameter  (min)Diagonal diameterM6 2.9-3.29.78-1011.05M8 3.7-412.73-1314.38M10 4.7-515.73-1617.77M12 5.7-617.73-1820.03M16 7.42-823.67-2426.75→ Click to View More Bolts and Hardware Fasteners.Company ProfileChangzhou Ningsheng Hardware & Electrical Appliance Co., Ltd. is a professional hardware manufacturing company specializing in wedge anchor bolts and other fastener parts. The company covers an area of 15,000 square meters and is located in Hengshanqiao Town, Changzhou Economic Development Zone, Jiangsu Province.Since its establishment in 2000, the company now has more than twelve mature automatic production and assembly lines, with an annual output of more than 7000 tons of hardware accessories. The company's main products include: various types of wedge anchor bolts(GB/DIN/ANSI), the hex bolts, the screw, the washers and other products.CooperationOur factory has always been based on good faith management, product quality as the core, customer demand as the guidance, to provide customers with cost-effective products. At present, it has provided high quality products and services for many retailers and many well-known elevator manufacturers in China so far. Our logistics and packaging are reliable and trustworthy!CertificationsThe company has a group of high-quality technical personnel, sophisticated equipment, perfect monitoring facilities. We also have GB/T19001-2008/ ISO9001:2008 international quality system certification. FAQQ1: Are you trading company or manufacturer ?A: We are manufacturer .Q2: How long is your delivery time?A: Generally it is 7-15 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to specific item and quantity.Shortest Delivery: We have large stock, 3 days for stock items,7-15days for production.Q3: Do you provide samples ? is it free or extra ?A: Yes, we could offer the sample for free charge but do not pay the shipping cost.Q4: What is your terms of payment ?A: Less than USD5000-----------100% T/T in advance.More than USD5000-----------50% T/T in advance ,balance before shippment.Other terms is welcome.Q5: What is your price terms ?A: EXW/FOB/CIF/CFR/FCA/CPT/CIP/DAP/DDPQ6:What's your product range?A: Our product range includes screws, nuts, bolts, washers, anchor and CNC parts. We strictly implement various quality standards like GB, ISO, DIN, JIS, AISI NFE and BSW.Non-standard products also accepted.Q7:Why should I choose you? What's your advantages? Industries you are serving?A: We are a professional manufacturer and have many years production and management experience in the field of fasteners .We can provide our customers with a good solution in the area of production design, produ