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Fastener Square Nut and Mushroom Head Machine Screw Roofing Bolt
US$0.01-0.16
1,000 Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon SteelType
Mushroom Head Roofing Bolt and Square NutModel NO.
Mushroom Head Roofing BoltConnection
Common BoltHead Style
Mushroom,SquareStandard
DIN, ISOGrade
4.8 , 5.8 , 6.8 , 8.8 , 10.9(Carbon Steel)Application
Machinery, Chemical Industry, Environmental, BuildingFinish
Self Colour, Zinc Plated,HDG,Zinc FlakeDelivery
5-15 DaysCertification
DIN 603 C/W Hex Nuts DIN 934Packag Color
CustomizableThread Standard
Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric FineCustom Order
Customization by Drawing/SampleODM/OEM
AvailableService
Custom-Made ServiceSize Standard
Metric/InchMaterial Test Certificate
HaveSample
Samples in Stock Are Free with Freight CollectPrice Terms
Fob/CFR/CIF/DDP/DAPColor
SilverQuality Control
100% Quality InspectionApplication2
Connection,FasteningTransport Package
Bulk Pack Small BoxedSpecification
M6-M24Trademark
QewitcoOrigin
ChinaHS Code
731816Production Capacity
10000ton/YearKey features
We are a factory-direct manufacturer: Professional factory direct supply of bolts and nuts, eliminate intermediate costs.
Comprehensive Product Range: Bolts: Hex Bolt, Flange Bolt, Carriage Bolt, Anchor Bolt, Wheel Bolt
Nuts: Hex Nut, Flange Nut, Nylon Insert Lock Nut, Square Nut, Wing Nut
Diverse Materials & Surface Treatments: Material: Carbon Steel, Stainless Steel 304, Stainless Steel 316
Surface Treatment: Blue White Zinc Plating, Yellow Zinc Plating, Black Zinc Plating, Hot Dip Ga
Multiple Strength Grades Available: Grade 4.8, 8.8, 10.9, 12.9 to meet different load-bearing requirements.
Negotiable Pricing: Competitive unit price, terms negotiable based on order volume.
Strict Quality Assurance: 100% quality guarantee. Rigorous testing ensures stable reliability and compliance with international industry standards.
Ample Stock & Fast Delivery: Most sizes are in stock. Lead time: 5-7 days for orders below 5,000 pcs.
Wide selection of strength grades and surface treatments, adaptable to light-duty, heavy-duty, outdoor and corrosive working environments.
Extensively used in mechanical equipment, steel structure engineering, vehicle manufacturing, rail transit and infrastructure construction.
Ideal for pipeline installation, container assembly, wind power equipment, engineering machinery and outdoor building fastening projects.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2003-12-05Average Response Time: ≤0.36hTerms of Payment: T/T
AI-Powered supplier vetting
SummaryThe supplier has a strong export orientation with 90% of sales from exports and has been exporting for 22 years. They hold an ISO9001:2015 certification, indicating a commitment to quality management. However, they lack collaboration with Fortune 500 companies and do not provide OEM services for popular brands. Financial data is not available, indicating potential concerns in this area. Their innovation capability is limited with no new products launched last year and minimal R&D resources. Production capabilities include full customization and 100% finished product inspection, but only two quality inspectors are present.
Supplier typeThe supplier is primarily export-oriented, with 90% of sales from exports and no overseas warehouses or showrooms.
CertificationsThey hold an ISO9001:2015 certificate, demonstrating a commitment to quality management systems.
Financial creditFinancial data is missing, with no operating revenue or profit reported, raising concerns about financial stability.
R&D capabilityThe supplier has limited innovation capacity with no new products launched last year and only one R&D engineer.
Production capacityThe supplier conducts 100% finished product inspection and offers various levels of customization, though it employs only two quality control inspectors.
Customization capabilityThe supplier offers extensive customization options, from minor to full product customization.
Client casesThe supplier has not collaborated with Fortune 500 companies and has no notable customer cases reported.
Product Q&A
Q:Who are we?
A:
We are a factory based in Zhejiang, China, with over 20 years of experience in producing and exporting hardware fasteners.
Q:What products do you offer?
A:
We supply screws, bolts, nuts, washers, anchors,stamping parts and tool.
Q:How do you ensure quality?
A:
Our professional QC team inspects every item throughout production and before packaging.
Q:Do you provide samples? Are they free?
A:
Yes, we provide free samples for quality testing, but customers cover the express charges.
Q:What are your payment terms?
A:
Our standard terms: 30% T/T deposit, with the remaining balance payable against the draft copy of B/L.
Send Inquiry
*To:
Qewitco Fasteners Co., Ltd
Qewitco Fasteners Co., Ltd*Content:
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