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China Suppliers Factory Square Head Bolt Full Thread T Slot Bolt in Various Sizes and Materials

Discover high-quality fasteners designed for various applications, available in sizes from 1/4 to 1 1/2. Our products are made using premium materials, including Carbon Steel, Alloy Steel, Stainless Steel, and Brass, ensuring durability and reliability. We adhere to industry standards with grades such as SAE J429 Gr. 2, 5, 8, and A307 Gr. A, making us a trusted choice among China suppliers and manufacturers. Partner with our factory for all your fastener needs and experience exceptional quality and service.

    Square Head Bolt Specification Table
    Standard: ASME B 18.2.1
    Size: 1/4”-1 1/2”
    Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass
    Grade: SAE J429 Gr.2, 5, 8; A307 Gr. A
    Finish: Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black Oxide, Nickel, Chrome, H.D.G
    Packing: Bulk in cartons (25kg Max.) + wood Pallet or according to customer special demand
    Application: Structural Steel; Metal Building; Oil & Gas; Tower & Pole; Wind Energy; Mechanical Machine; Automobile; Home Decorating
    Test Equipment: Caliper, Go & No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detector
    Supply Ability: 1000 tons per month
    Minimum Order: 500kgs for each specification
    Trade Term: FOB/CIF/CFR/CNF/EXW/DDU/DDP
    Payment: T/T, L/C, D/A, D/P, etc.
    Market: South & North America / Europe / East & Southeast Asia / Australia, etc.
    Professional: More than 15 years experience in fasteners industry.
    Our Main market is North & South America and proficient in IFI standard.
    Our Advantage:
    • One-stop shopping
    • High quality
    • Competitive price
    • Timely delivery
    • Technical support
    • Supply Material and Test Reports
    • Samples for free
    • With 2 years quality guarantee period after shipment

    Our Range of Product

    BOLTS
    Hex bolts, heavy hex bolts, hex flange bolts, carriage bolts, wheel bolts, stud bolts, square head bolts, T bolts, eye bolts, U bolts, hook bolts
    NUTS
    Hex nuts, heavy hex nuts, hex flange nuts, nylon insert lock nuts, cap nuts, slotted nuts, rivet nut
    WASHERS
    Flat washers, spring washers, lock washers
    SCREWS
    Machine screws, self tapping screws, set screws, hex socket head cap screws, wood screws, self drilling screws
    Square Head Bolt Full Thread T Slot Boltvk6

    Frequently Asked Questions

    What standards and sizes do you offer for Square Head Bolts?
    Our Square Head Bolts conform to the ASME B 18.2.1 standard and are available in sizes ranging from 1/4” to 1 1/2”. We are also highly proficient in IFI standards.
    What materials and grades are available for these bolts?
    We manufacture bolts using Carbon Steel, Alloy Steel, Stainless Steel, and Brass. Available grades include SAE J429 Gr.2, 5, 8, and A307 Gr. A.
    What is your minimum order quantity and supply capacity?
    Our minimum order quantity (MOQ) is 500kgs for each specification, and our monthly supply ability is up to 1000 tons.
    Do you provide free samples and quality guarantees?
    Yes, we offer samples for free, supply Material and Test Reports, and provide a 2-year quality guarantee period after shipment.
    What testing equipment do you use to ensure quality?
    We utilize a comprehensive range of testing equipment, including Calipers, Go & No-go gauges, Tensile test machines, Hardness testers, Salt spraying testers, H.D.G thickness testers, 3D detectors, Projectors, and Magnetic flaw detectors.