Powered by Made-in-China.com
Heavy Duty ASTM A307 Grade a Hex Bolts
US$0.10-1.00
1,000 Pieces
Product profile
Customization
AvailableMaterial
SteelType
Hexagon HeadModel NO.
A307Connection
Common BoltHead Style
HexagonalStandard
CustomGrade
Grade aApplication
Machinery, Chemical Industry, Environmental, Building, IndustryFinish
PlainPacking
Cartons+Plastic BagsSurface Treatment
Black OxideTransport Package
Carton+PalletSpecification
M6-M100Trademark
ningbo-boltOrigin
Zhejiang, ChinaProduction Capacity
100000 Piece/Pieces Per MonthCompany 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: ≤15h
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.
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
ASME B18.2.1 ASTM A193 B7 Hex Bolt Black Oxide 1/2" - 4" En10204 3.1 Nace Mr0175 Oil Gas Flange Heavy Duty
US$0.03-0.05
1,000 Pieces(MOQ)
HDG Grade ASTM A307 B A325 Pernos De Anclaje Heavy Hex Bolt
US$0.01-0.05
1,000 Pieces(MOQ)
ASTM A307 Grade a Hex Bolts
US$0.10-1.00
1,000 Pieces(MOQ)
Industrial Grade A307 Heavy Duty Hex Bolts
US$0.10-1.00
1,000 Pieces(MOQ)
ASTM A307 Grade a Hex Bolt
US$0.10
1,000 Pieces(MOQ)
M39 Gr4.8 8.8 ASTM A307 SA 307 Grade B Grade a Carbon Steel Heavy Hex Structutal Bolts
US$0.25-0.50
1,000 Pieces(MOQ)
Hot-Selling ASTM A307 Grade a Hex Bolts
US$0.10
1,000 pieces(MOQ)
ASTM A307 Grade B Hex Bolts A307 Hex Bolts Nut ASTM A563 a
US$10.00
1 Piece(MOQ)
Heavy Duty Black Oxide Hex Bolts
US$0.10-1.00
1,000 Pieces(MOQ)
Heavy Duty Hex Head Bolt for Steel Structures and Engineering Projects with ASTM A307 Standard Hex Head Bolt
US$0.02-0.05
100 Pieces(MOQ)
Grade 4.8 8.8 M39 HD Heavy Duty Carbon Steel ASTM 307A Hexagon Head Screw Hex Bolt
US$0.25-0.50
1,000 Pieces(MOQ)
Low Carbon Steel Zinc ASTM A307 Grade a Hex Bolt Hex Machine Bolt
US$0.012-0.112
3,000 Pieces(MOQ)
ASTM A307 Grade B Structural Heavy Hex Bolts
US$0.20
1,000 Pieces(MOQ)



















