Do you offer OEM services?

Yes, we offer OEM services including custom marking according to client requirements.

What are your payment terms?

We accept LC, T/T, and Western Union as payment terms.

What is the size range for your bolts?

The diameter range is M5 to M64 (1/4' to 2 1/2') and length ranges from 10mm to 1000mm (1/2' to 40').

Alloy-286 Gr-660 Grade 660 Hex Bolt

Name: Alloy-286 Gr-660 Grade 660 Hex Bolt
Brand: TAIZHOU FASTOOL INDUSTRY CO., LTD.
SKU: 780884605

Jiangsu, ChinaTAIZHOU FASTOOL INDUSTRY CO., LTD.

US$10.00

1-49 Pieces

US$4.00

50-99 Pieces

US$3.50

100-299 Pieces

US$3.00

300-499 Pieces

US$2.90

500+ Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

DIN933 ISO4017

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, ISO

Grade

Gr-660

Application

Chemical Industry

Finish

Passivation

Price for The Size

M16X50

PMI Testing

Yes

Marking

ID+Grade

Packing

Small Box

Transport Package

CTN, Then in Pallet

Specification

DIN934, ISO4032, Asme B18.2.2, Asme B 18.2.4.6m

Trademark

Origin

Jiangsu, China

HS Code

731815000

Production Capacity

50000PCS/Month

Key features

100% PMI Testing: All grades undergo 100% PMI testing to ensure material authenticity and quality.

No MOQ for Standard Grades: No minimum order quantity required for standard grades, with low MOQs for washers and nuts.

Wide Material Range: Supplies diverse materials including Hastelloy, Inconel, Monel, Duplex, and Titanium alloys.

Custom Marking Service: Marking customized according to client requirements with OEM support available.

Rich Project Experience: Proven track record in major power plant projects across Korea, Netherlands, Vietnam, India, Oman, and Mexico.

Free Sample Policy: Free samples provided for in-stock items if buyer covers freight costs.

Comprehensive Product Range: Offers bolts, nuts, washers, studs, U-bolts, and machining parts in various standards.

Strict Quality Control: Features hot forging, 100% quality guarantee, and 100% sorting and inspecting processes.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityRaw-Materials TraceabilityImporters and Exporters

TAIZHOU FASTOOL INDUSTRY CO., LTD.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-05-03Nearest Port: SHANGHAI, NINGBOAverage Response Time: ≤7.69hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier demonstrates OEM and ODM experience, broad customization options, ISO 9001 certification, three production lines, quality assurance, raw-material traceability, and documented finished-product inspection instructions. It also reports inventory capability, export rights, and lead times stated as within 15 workdays to one month. However, the evidence identifies important management and development gaps: no available R&D audit documentation, no new products in the past year, no SDK, no written corrective-action or complaint-handling procedures, no formal supplier-service procedures or approved supplier list, and no valid manufacturing-capacity contract with related subcontractors. Overseas service coverage is limited, with no overseas warehouse, showroom, agents, branches, or offline trade-show participation. Financial credibility cannot be assessed because the slices only identify reporting years and do not provide financial results.

Supplier typeThe supplier operates as a manufacturer offering OEM and ODM services, holds self-operated import and export rights, and provides multiple customization models. It has inventory capability, but no valid manufacturing-capacity contract with related subcontractors and no overseas service infrastructure such as warehouses, showrooms, agents, or branches.

CertificationsThe supplier reports ISO 9001 certification, which is explicit evidence of holding a recognized quality-management-system certification. No other certifications are identified in the provided slices.

R&D capabilityThe supplier reports technology-engineering support and new-product development responsibilities and offers ODM services. Against this, it has no available R&D design-input, output, review, verification, or validation documents, no SDK, no new products in the past year, and R&D engineers with less than five years of total experience.

Production capacityThe supplier operates three production lines, reports inventory capability, employs 6–10 quality-control staff, uses uniformly followed finished-product inspection instructions, and maintains quality assurance and raw-material traceability. Deficiencies include no valid capacity contract with related subcontractors, no continuous batch quantity reconciliation, and no outsourcing standard operating procedure.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides OEM and ODM services, demonstrating broad stated customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one category of customer experience. No brand names, project details, volumes, product examples, or independently verifiable case information are provided.

Product Q&A

Q:What is the lead time for delivery?

The delivery time is 45 days. During peak season, it takes 1-3 months, while off-season lead time is one month.

Q:Do you have a minimum order quantity (MOQ)?

There is no MOQ for standard grades. Specific MOQs are 100 pcs for washers, 50 pcs for nuts, and 10 pcs for bolts and studs.

Q:Can you provide samples?

Yes, samples can be provided for free if we have stock, provided the buyer pays the freight cost. Sample time is 7-10 days.

Q:What materials do you supply?

We supply a wide range including Stainless Steel (304, 316, etc.), Duplex, Hastelloy (C276, C22, etc.), Inconel, Monel, Titanium, and various Nickel alloys.

Q:What standards do your products meet?

Our products meet standards such as DIN, ANSI, ISO, ASME, JIS, BS, NFE, and GOST.