Powered by Made-in-China.com
ASTM A325 Type 1 Heavy Hex Structural Bolts
US$1.00
1,000-99,999 pieces
US$0.10
100,000+ pieces
Product profile
Customization
AvailableMaterial
SteelType
Hexagon HeadModel NO.
A325Head Style
HexagonalStandard
ASTMApplication
Machinery, Chemical Industry, Environmental, Building, IndustryFinish
PlainHead Type
Hexagon Flange HeadSurface Treatment
Black OxideOrigin
Zhejiang, ChinaProduction Capacity
100000 Piece/Pieces Per MonthKey features
ASTM A325 Type 1 Standard: Heavy hex structural bolts meeting ASTM A325 Type 1 specifications for machinery and construction.
OEM/ODM Services: Accepts OEM and ODM orders with customization options for head type and surface treatment.
ISO9001 Quality Control: Strict quality management system from raw materials to finished products ensuring 100% qualified goods.
Lifetime Warranty: Supports lifetime warranty coverage for all products with guaranteed quality.
Free Samples for New Clients: Provides free standard fastener samples for new customers, with shipping fees covered by client.
Flexible Order Acceptance: Accepts small orders and maintains stock for various bolts, nuts, and washers.
Fast Delivery Options: 15 days for stock items, 25-35 days for 1-2 container orders.
Customized Packaging: Offers custom logo printing and carton customization according to customer requests.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤18h
AI-Powered supplier vetting
SummaryThe supplier is identified as a professional technical supplier and operates as a combined company involved in producing and selling fasteners, hardware products, auto parts, and oil pipeline fittings. It supports extensive product customization, including samples, designs, full customization, minor customization, and flexible customization. The supplier reports two production lines and one presence in a main export market, with an average lead time of one month in both peak and off-season periods. However, it lacks 3D software design services, SDK availability, in-stock capacity, overseas warehouses, overseas agents or branches, and offline trade-show participation. Finished products are checked by packing staff, while no written procedures or records are used for assessing service capability. The provided information does not establish certifications, financial strength, after-sales performance, or customer case history.
Supplier typeThe supplier is explicitly identified as a professional technical supplier. It is a combined company whose stated business scope includes production and sales of fasteners, hardware products, auto parts, and oil pipeline fittings, as well as related import and export activities.
R&D capabilityThe supplier is identified as having professional technical research and development capability, and it offers multiple forms of customization. However, it explicitly does not provide 3D software design services and has no available SDK, so the evidence supports technical customization but not broader digital or software innovation capability.
Production capacityThe supplier reports two production lines, one-month average lead times in both peak and off-season, and six years of exporting experience. Countervailing controls are limited: finished products are checked by packing staff, there is no continuous quantity reconciliation for each batch or production run, no outsourcing SOP, no valid manufacturing-capacity contract with related subcontractors, and no in-stock capacity.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad product-design and modification capability, although 3D software design services are not available.
Product Q&A
Q:Are you a manufacturer or trading company?
A:
The Ningbo Steel Bolt Co., Ltd is a manufactured of fasteners factory have many years of Bolts, Nuts, Threaded Rods and Washers experience in Ningbo, China
Q:Are OEM/ODM services provided?
A:
Yes, the Ningbo Bolt accept OEM/ODM.
Q:How to guarantee quality?
A:
Yes, the Ningbo Bolt have strict quality control from raw materials to finished products according to the ISO9001 quality management system. We guarantee all products 100% qualified and support lifetime warranty.
Q:How do you let me trust you?
A:
The Ningbo Steel Bolt Co., Ltd is a fasteners factory in China and have so many years of production for Bolts, Nuts, Threaded Rods and Washers, and we are Gold mumber of made in china, We get credit guarantee from made in china.
Q:How about your price?
A:
High quality products with reasonable price. Please give me a inquire, the Ningbo Boltwill quoted you a price for you refer at once.
Send Inquiry
*To:
Ningbo Steel Bolt Co., Ltd
Ningbo Steel Bolt Co., Ltd*Content:
Supplier replies will be sent to your registered email
You may also like
High Strength Inch Size ASTM A490/A325/F3125 Type-1 Heavy Hex Bolt
US$800.00-900.00
10 Tons(MOQ)
ASTM A325 Structural Hex Bolt for Steel Building and Bridge Engineering Projects
US$0.06-0.10
10 pieces(MOQ)
Tornillos A325 Type 1 China Steel Building Fastener Bolt Nut HDG Control Heavy Hex Structural Bolts Tuercas
US$0.02-0.04
1,000 Pieces(MOQ)
ASTM Standard Heavy Hex Structural Bolts - Global Supplier
US$0.01-0.34
2,000 Pieces(MOQ)
Hex Bolts and Nuts Heavy Structure/ASTM A325 / A490 / ASTM A354 / En14399 / As1252 / DIN6914
US$0.01-0.10
5,000 Pieces(MOQ)
ASTM A490 Heavy Hex Structural Bolt Hot DIP Galvanized High Strength Bolt for Steel Structure Connection
US$0.01-0.25
3,000 Pieces(MOQ)
Premium Quality A325 Type 1 Heavy Hex Bolt for Industrial Use
US$0.01-0.34
2,000 Pieces(MOQ)
Czhonghu Metal Fastener China Factory Hot Forging ASTM A325 Heavy Hexagonal Structural Bolt
US$0.04-0.06
100 Pieces(MOQ)
ASTM A325 Heavy Hex Structual Bolt Grade 5 Hardened Steel Bolt with A563 Grade Heavy Hex Nut
US$0.02-1.00
5,000 Pieces(MOQ)
ASTM A325 Heavy Hex Structural Bolt for Steel Structure Project
US$0.01-0.38
2,000 Pieces(MOQ)
Plain Finish Grade A325 Hex Structural Bolts High Strength M6-36 ASTM A325 Galvanized Heavy Pernos Y Tuercas
US$0.03-0.05
1,000 Pieces(MOQ)
42CrMo 4140 High Strength Heavy Structural Heavy Hex Bolts ASTM A490 Type 1
US$0.02-1.00
5,000 Pieces(MOQ)
ASTM A325/A490 Heavy Hex Structural Bolts for Buildings
US$0.01
100,000 Pieces(MOQ)
Chinese Factory ASTM A325 / A490 Type Heavy Hex Structural Bolts for Industrial Steel Structure Connections
US$0.0035-0.0045
1,000 Pieces(MOQ)
ASTM A325 Galvanized High Strength Heavy Hex Structural Bolt for Steel Construction
US$770.00-800.00
1 tons(MOQ)



















