IPDB › China Industry › Industrial Equipment & Components › Fastener & Fitting
High Reliability Customizable DIN7976 Hexagon Head Self Drilling Screw1
Fastener Fitting, Customizable Screws, Self Tapping Screws
Ningbo Yongbiao Fastener Co., Ltd
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Product Description Product DescriptionScrew FastenerA screw is a mechanical part, a fastener with threads, usually consisting of a head and a screw. The screw has threads, and by rotating the screw, it can be screwed into the workpiece to achieve the function of fastening or connection. It is mainly used to connect, fix, or adjust two or more objects. Some screws (such as adjustment screws) can be used to adjust the position or gap of parts.Machine screw: used for connecting and fixing mechanical equipment.Self-tapping screw: can directly tap the thread on the workpiece, suitable for thin plates or plastics.Wood screw: used for connecting wood, with thicker threads and sharp tail.Expansion screw: used for fixing concrete or brick walls, fastening is achieved through the principle of expansion.Set screw: used to fix the relative position of the shaft and the sleeve, usually headless or with a small head.Application of screwsScrews are widely used in the following fields:Machinery manufacturing: used for assembly and fixing of equipment.Construction engineering: used for fixing of steel structures and concrete.Electronic equipment: used for fixing circuit boards and housings.Furniture manufacturing: used for connection and assembly of furniture.Automotive industry: used for fixing car bodies and engines.Product Parameters Product InformationBrandYONGBIAO FastenerNameDIN7976 Hexagonal Self-Tapping ScrewsStandardNational StandardMaterial304 Stainless SteelSurfaceBlue-White / Primary ColorPackagingPlastic Bag / Paper Box Nominal DiameterdPitch PdkkLtmaxminmaxminmaxminminM20.4 4 3.7 1.6 1.46 4.24 3.76 XM2.50.45 5 4.7 2.1 1.96 4.2 3.8 XM30.5 6.1 5.7 2.4 2.2 4 3.8 XM40.7 8.1 7.7 2.9 2.7 6 5.8 XM50.8 9.5 9.14 3.7 3.52 6.2 5.6 XM61 12 11.6 4.3 4 10 9.8 XM81.25 16 15.57 6 5.7 16.35 15.65 XM101.5 20 19.48 7.5 7.14 35.5 34.5 XThe Above Data Is A Single Batch Of Manual Measurement Data, There Is A Certain Error, Please Be Careful If You Mind Unit: Mm SpecificationsThread Nominal (M)Nominal LengthST2.9*6.5ST2.96.5ST2.9*9.5ST2.99.5ST2.9*13ST2.913ST2.9*16ST2.916ST2.9*19ST2.919ST2.9*22ST2.922ST2.9*25ST2.925ST3.5*9.5ST3.59.5ST3.5*13ST3.513ST3.5*16ST3.516ST3.5*19ST3.519ST3.5*22ST3.522ST3.5*25ST3.525ST3.5*30ST3.530ST3.5*32ST3.532ST3.5*35ST3.535ST3.5*38ST3.538ST3.9*9.5ST3.99.5ST3.9*13ST3.913ST3.9*16ST3.916ST3.9*19ST3.919ST3.9*22ST3.922ST3.9*25ST3.925ST3.9*30ST3.930ST3.9*32ST3.932ST3.9*35ST3.935ST3.9*38ST3.938ST3.9*40ST3.940ST4.2*9.5ST4.29.5ST4.2*13ST4.213ST4.2*16ST4.216ST4.2*19ST4.219ST4.2*22ST4.222ST4.2*25ST4.225ST4.2*30ST4.230ST4.2*32ST4.232ST4.2*35ST4.235ST4.2*38ST4.238ST4.2*40ST4.240ST4.2*45ST4.245ST4.2*50ST4.250ST4.8*13ST4.813ST4.8*16ST4.816ST4.8*19ST4.819ST4.8*22ST4.822ST4.8*25ST4.825ST4.8*30ST4.830ST4.8*32ST4.832ST4.8*35ST4.835ST4.8*38ST4.838ST4.8*40ST4.840ST4.8*45ST4.845ST4.8*50ST4.850ST4.8*55ST4.855ST4.8*60ST4.860ST5.5*13ST5.513ST5.5*16ST5.516ST5.5*19ST5.519ST5.5*22ST5.522ST5.5*25ST5.525ST5.5*30ST5.530ST5.5*32ST5.532ST5.5*35ST5.535ST5.5*38ST5.538ST5.5*40ST5.540ST5.5*45ST5.545ST5.5*50ST5.550ST5.5*55ST5.555ST5.5*60ST5.560ST5.5*65ST5.565ST5.5*70ST5.570ST6.3*16ST6.316ST6.3*19ST6.319ST6.3*22ST6.322ST6.3*25ST6.325ST6.3*30ST6.330ST6.3*32ST6.332ST6.3*35ST6.335ST6.3*38ST6.338ST6.3*40ST6.340ST6.3*45ST6.345ST6.3*50ST6.350ST6.3*55ST6.355ST6.3*60ST6.360ST6.3*65ST6.365ST6.3*70ST6.370ST6.3*75ST6.375ST6.3*80ST6.380ST8*38ST838ST8*45ST845 Detailed PhotosClassification-01Machine screws: used for connecting and fixing mechanical equipment.Self-tapping screws: can directly tap threads on the workpiece, suitable for thin plates or plastics.Wood screws: used for connecting wood, with thicker threads and sharp tails.Expansion screws: used for fixing concrete or brick walls, tightening through the principle of expansion.Set screws: used to fix the relative position of the shaft and the sleeve, usually headless or with a smaller head.Classification-02Hexagonal head screw: The head is hexagonal, suitable for occasions requiring larger torque.Cross slot head screw: The head has a cross slot, and it is tightened with a cross screwdriver.Slotted head screw: The head has a slot, and it is tightened with a slotted screwdriver.Hex socket head screw: The head has a hexagonal hole, and it is tightened with a hexagonal wrench.Countersunk head screw: The head is conical, and it can be flush with the surface of the workpiece after installation.Classification-03Coarse thread screws: The thread pitch is larger, suitable for quick installation.Fine thread screws: The thread pitch is smaller, suitable for occasions requiring high precision.Carbon steel screws: High strength, low cost, suitable for general occasions.Stainless steel screws: Strong corrosion resistance, suitable for humid or corrosive environments.Copper screws: Good conductivity, suitable for electrical equipment.Titanium alloy screws: High strength, light weight, suitable for aerospace fields.StructureHead: used to apply torque. Common head shapes include hexagonal heads, cross-slot heads, slotted heads, hexagon socket heads, etc.Screw: The part with threads, used to match the workpiece or nut.Thread: divided into external thread and internal thread. The external thread is located on the screw, and the internal thread is located in the nut or workpiece.Tail: The tail of some screws is designed to be pointed or flat, which is convenient for inserting into the workpiece.Manufacturing ProcessMaterial preparation-cold heading-thread processing-heat treatment-surface treatment-quality inspectionFAQQ: Can you send me your product catalog and price list?A: There is a corresponding parameter table under each of our products for your reference. Since we have thousands of products, it is difficult to send you all the product catalogs and price lists. Please tell us the styles you are interested in and we can provide a price list for your reference.Q: How is the quality of your products?A: 100% inspection during production. Our products are certified by ISO9001, and TS16949 international quality standards.Q: What materials can you provide for your products?A: Carbon steel, alloy steel, stainless steel, brass, copper, or as per your requirements.Q: What is your packaging?A: Our normal packaging is plastic bags and paper boxes, we can also package the products according to your requirements.Q: How about the warranty?A: We are very confident in our products, we pack them very well to ensure that the goods are well protected.
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