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Factory Direct Supply High Strength Black Hex Bolt Kit Custom Size Structural Bolt with Matching Nut Washer
US$0.016
100-499 Pieces
US$0.013
500-999 Pieces
US$0.01
1,000+ Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon SteelType
Hexagon HeadConnection
Structural Bolt / Fastening BoltHead Style
HexagonalStandard
DIN, ANSI, GB, JIS, GOSTGrade
12.9Application
Machinery, Chemical Industry, Environmental, BuildingFinish
PolishingLength
Customized (6mm-300mm)Other Material
Stainless Steel 201 / 304 / 316 / 316L / 410 / 430Other Finish
HDG / Zinc / Dacrome / BlackeningGrade Level
A2-50 / A2-70 / A4-70 / A4-80Stainless Steel
201 / 304 / 316 / 316L / 410 / 430Sample
Free Sample Available, Buyer Pays FreightOEM & ODM
OEM / ODM / Customized to Drawings & SamplesTransport Package
Carton + Pallet / Wooden BoxSpecification
M3-M64Trademark
Strong MetalOrigin
Hebei, ChinaHS Code
7318150001Production Capacity
3000 Metric Tons Per MonthKey features
High quality 304/A2 stainless steel & Grade 8.8 carbon steel options, anti-rust, durable, meets DIN933/DIN934 standards.
Precision thread, smooth surface, no burrs, perfect fit for quick installation, suitable for construction, machinery, and industrial projects.
Factory direct supply, OEM & ODM available, fast delivery, 100% QC inspection, custom sizes supported to meet your needs.
Company profile
Business Type: Manufacturer/FactoryAverage Response Time: ≤1.04h
About Our Factory & Business Background
AddressNo. 1012, South Feng Hui, No. 618, Xingangdong Road, Guangzhou, Guangdong, China
Our Production Capability & Technical Expertise
Main ProductsStrong Metal, Carbon Nut, Carbon Steel Fastener, Hardware Nut, Building Hardwares, Stainless Steel Bolt and Nut, Carbon Steel Bolt, Hexagon Nut, Bolt and Nuts
Product Q&A
Q:What materials and strength grades do you offer for these fasteners?
A:
We provide carbon steel, alloy steel, and stainless steel options, with grades ranging from 4.8 to 12.9. Each product undergoes strict hardness and tensile tests to ensure stable performance in heavy-duty applications.
Q:Can you customize fasteners according to our drawings or special requirements?
A:
Yes, we support full customization including sizes, lengths, thread types, and surface treatments (black oxide, zinc plating, hot-dip galvanizing). We also comply with DIN, ISO, GB, and ASTM standards to meet different market needs.
Q:What is your lead time and minimum order quantity?
A:
For standard products, we can ship within 7-15 days. Custom orders take 15-30 days depending on the quantity. The MOQ is flexible, and we also offer OEM/ODM services with reliable after-sales support.
Send Inquiry
*To:
Guangzhou Strong Metal Co., Ltd
Guangzhou Strong Metal Co., Ltd*Content:
Supplier replies will be sent to your registered email
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