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DIN Standard Square Head Bolt 8.8 Grade Carbon Steel for Rail Fastening and Reliability Test

    Buy cheap DIN Standard Square Head Bolt 8.8 Grade Carbon Steel for Rail Fastening and Reliability Test from wholesalers
     
    Buy cheap DIN Standard Square Head Bolt 8.8 Grade Carbon Steel for Rail Fastening and Reliability Test from wholesalers
    • Buy cheap DIN Standard Square Head Bolt 8.8 Grade Carbon Steel for Rail Fastening and Reliability Test from wholesalers
    • Buy cheap DIN Standard Square Head Bolt 8.8 Grade Carbon Steel for Rail Fastening and Reliability Test from wholesalers
    • Buy cheap DIN Standard Square Head Bolt 8.8 Grade Carbon Steel for Rail Fastening and Reliability Test from wholesalers
    • Buy cheap DIN Standard Square Head Bolt 8.8 Grade Carbon Steel for Rail Fastening and Reliability Test from wholesalers

    DIN Standard Square Head Bolt 8.8 Grade Carbon Steel for Rail Fastening and Reliability Test

    Ask Lasest Price
    Brand Name : FINEX
    Model Number : FINEX Custom bolts and nuts
    Price : $0.05/pieces 30000-49999 pieces
    Payment Terms : T/T, L/C, D/A, D/P
    Supply Ability : 500000000 Piece/Pieces per Week
    Delivery Time : 7~15 Working Day
    MOQ : 1 piece in stock, 30,000 pieces customized
    • Product Details
    • Company Profile

    DIN Standard Square Head Bolt 8.8 Grade Carbon Steel for Rail Fastening and Reliability Test

    Square Head Bolt –Rail Fastening & 8.8 Grade Carbon Steel

    Product Overview

    Our Square Head Bolt is engineered for rail fastening systems and structural assemblies requiring high-strength, vibration-resistant fastening. Crafted from Grade 8.8 carbon steel, this bolt combines a square head design for secure wrench engagement with exceptional tensile strength and durability. Ideal for railways, construction, and industrial projects, it meets rigorous demands for load-bearing and environmental resistance.

    Key Features

    ✅ Grade 8.8 Carbon Steel

    • High Tensile Strength: 800 MPa tensile strength and 640 MPa yield strength for heavy loads.
    • Durability: Resists shear stress, fatigue, and deformation under dynamic forces.

    ✅ Square Head Design

    • Wrench-Friendly: Compatible with standard square wrenches for easy installation and torque control.
    • Vibration Resistance: Prevents loosening in high-shock environments like railway tracks.

    ✅ Rail Fastening Optimized

    • Compliant with Rail Standards: Designed for use in fishplates, tie plates, and track joints.
    • Corrosion Protection: Optional hot-dip galvanized or black oxide coating for outdoor/railway use.

    ✅ Versatile Applications

    • Compatible with nuts, washers, or pre-tapped holes in metal, wood, and composite materials.
    Specification
    More Detail Informations
    Available Material
    1.Stainless Steel: SS303, SS304, SS316, SS410, SS420;
    2.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045;
    3.Brass: C3602,C3604,Hpb59,Hpb62,Hpb65,Hpb58,Hpb70 ;
    4.Aluminum: Al6061, Al6063 etc
    or as your requirements
    Head type
    CSK Head,Pan Head,Truss Head,Hexagon Head,Round Head,Oval Head,Button Head,Cap Head,Cheese Head,etc.
    Hardness
    Carbon Steel:HRC:28~35 ,HV450~700
    Alloy Steel:HRC:32~39(grade10.9) HRC:39~44(grade12.9)
    Finish
    Zinc plated, Nickel plated, Bronze, Copper,Phosphate, Oxidation black, Passivation, Tin, Dacromet, Gold, Chrome, Silver,
    Phosphorization,Zinc-nickel alloy plated etc.
    Sample Available
    The sample is free of charge if we have the existing tooling,you only need to pay for the freight cost
    Delivery time
    Samples time 3-5 working days, Lead time 20-25 working days
    Pricing Term
    EXW Dongguan(FCA),FOB, CIF, CNF, DDU,etc.
    Packing
    Bulk in PE bag or Small boxes.then in carton .pallet
    Payment term
    TT (30% in advance as deposit, balance before delivery) , L/C, Western Union,PayPal etc
    Management system
    ISO9001:2015
    Certificate
    ISO,ROHS
    Why Choose Us

    Company Profile

    FAQ
    Q1: What is your main products and material supply?
    A1: Our main products are Electronic screws,Sems screws,Tapping screws,Chicago screws,Shoulder screws etc. Special Non-standard studs,Turning parts and High-end precision complex CNC Machining parts etc.
    A2: Carbon Steel, Alloy Steel, Aluminum alloy,Stainless Steel, Brass, Copper ,Titanium alloy or according to your requirement.
    Q2: When can I get the price?
    A: We usually offer you a quotation within 12 hours, and the special offer is not more than 24 hours.Any urgent cases, please contact us directly by phone or send email to us.
    Q3: What about the transportation and delivery date?
    A: If the weight of goods more than 80kg,Normally we use shipment to transprot the orders. It is about 20-30days . If the weight of goods less than 80kg,or there are urgent, we can send the goods via air express,It is 3~5 days.

    Q4: What's your packing?What to do in case of damaged goods during transport?
    A1: Our Normal packing is bulking in Cartons, less than 20 kgs/carton, 48 cartons / pallet. We also can pack products according to your requirement.
    A2: To avoid any subsequent trouble regarding quality issue, we suggest you check the goods once you receive them. If there is any transport damaged or quality issue, don't forget take the detail pictures and contact us as soon as possible, we will properly handle it to make sure your loss to reduce to the smallest.
    Q5: Can I get discounts?
    A: Yes, for big order, frequent customers, we give reasonable discounts.
    Q6: Do you have enough capacity?
    A: Our production equipment is a new imported equipment. We have a group of skilled workers who have been working for more than 10 years. Their production experience is very rich and their skills are very skilled. The screws can be 30 million pcs/month. We have sufficient funds to ensure the normal operation of the factory.
    Product Tags:

    Rail Fastening Square Head Bolt

      

    8.8 Grade Square Head Bolt

      

    Carbon Steel Square Head Bolt

      
    Quality DIN Standard Square Head Bolt 8.8 Grade Carbon Steel for Rail Fastening and Reliability Test for sale

    DIN Standard Square Head Bolt 8.8 Grade Carbon Steel for Rail Fastening and Reliability Test

    Company Info.
    Finexpress Precision Manufacturing (dongguan) Co., Ltd
    Verified Supplier
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