Powered by Made-in-China.com

Hex Head Bolts with Black Oxide Finish
US$0.10-1.00
1,000 Pieces
Product profile
Customization
AvailableMaterial
SteelStandard
DINModel NO.
DIN6914 - 6915Application
IndustryFinish
PlainPacking
Cartons+Plastic BagsHead Type
Hexagon Flange HeadSurface Treatment
Black OxideOrigin
Zhejiang, ChinaProduction Capacity
100000 Piece/Pieces Per MonthKey features
OEM/ODM Services: Accepts OEM/ODM orders with flexible customization options.
ISO9001 Quality System: Strict quality control from raw materials to finished products.
Lifetime Warranty: Supports all products with lifetime warranty coverage.
Free Samples for New Clients: Free standard fastener samples available for new customers.
Flexible Order Sizes: Accepts orders of any size with stock availability.
Fast Delivery: In-stock items delivered within 15 days.
Customized Packaging: Logos and custom packaging available upon request.
Multiple Payment Options: Accepts T/T, L/C, D/P, PayPal, and Western Union.
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 manufacturer of fasteners with years of experience in producing Bolts, Nuts, Threaded Rods, and Washers in Ningbo, China.
Q:Do you provide OEM/ODM services?
A:
Yes, Ningbo Bolt accepts OEM/ODM orders.
Q:How do you guarantee quality?
A:
Ningbo Bolt maintains strict quality control from raw materials to finished products following the ISO9001 quality management system, ensuring all products are 100% qualified with lifetime warranty support.
Q:How can I trust you?
A:
Ningbo Steel Bolt Co., Ltd is a reputable fasteners factory in China, a Gold member of *** and Made in China with credit guarantees from *** Group.
Q:What about your pricing?
A:
Ningbo Bolt offers high-quality products at reasonable prices. Contact us for a quote.
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
Industrial Hex Bolt with Large Width Across Flats Black Finish
US$0.06-0.10
1,000 Pieces(MOQ)
Structural Steel Bolts with Black Oxide Finish
US$0.10-1.00
1,000 Pieces(MOQ)
Black Oxide M3-M36 DIN931/933 Hex Bolt for Concrete with Alloy Steel for Machinery
US$0.012-1.00
10,000 Pieces(MOQ)
Steel Black Oxide Finish DIN 912 Full Half Thread Hex Drive Socket Cap Bolts
US$0.02-0.05
1 kg(MOQ)
Manufacture High Strength Fastener DIN933 DIN931 Grade 8.8 10.9 12.9 Hex Bolt with Black Oxide Coating
US$0.012-0.212
3,000 Pieces(MOQ)
Black Oxide Finish M8 X 20mm Hex Head Screw Bolt, Fully Threaded, Alloy Steel Grade 12.9
US$0.01-0.03
10,000 Pieces(MOQ)
Trusted Black Oxide Carbon Steel DIN 6921 Flanged Hex Head Bolt
US$0.01-0.05
100 Pieces(MOQ)
High-Quality Carbon Steel Round Tenon Bolt with Black Oxide Finish
US$0.06-0.10
1,000 Pieces(MOQ)
DIN931 Hex Bolts with Black Finish for Hardware Fasteners
US$0.012-0.10
1,000 Pieces(MOQ)
Structural Bolts ASTM A325 Heavy Hex Structural Bolts with Black Finish
US$0.10-1.00
1,000 Pieces(MOQ)
High Strength Head10.9s Grade Steel Structure Torsion Shear Type Black Oxide Finish Bolt
US$0.10-0.15
1,000 Pieces(MOQ)
Black Oxide Hex Socket Cap Bolts for Electrical Equipment with CE Certification
US$0.02-0.13
100 Pieces(MOQ)
GB5789 Hex Flange Head Bolt DIN6921 Black Oxide Hex Flange Bolt
US$0.10-0.50
1,000 Pieces(MOQ)
Heavy Hex Structural Bolts with Black Oxide
US$0.10-1.00
1,000 Pieces(MOQ)
High Strength DIN933 Carbon Steel Black Oxide Hex Bolts with Nuts
US$0.16-0.20
10,000 Pieces(MOQ)



















