How is your quality control?

We produce orders strictly per request with sample confirmation. Our team uses high-precision machines to guarantee quality.

Do you provide samples?

Yes, if the items are in stock, we can offer free samples.

9/16"-18 X 3" Long Trailer Leaf Spring Shackle Bolts (Grade 5) with Nuts

Name: 9/16"-18 X 3" Long Trailer Leaf Spring Shackle Bolts (Grade 5) with Nuts
Brand: Jiaxing Sini Fastener Co., Ltd.
SKU: 2161877705

Zhejiang, ChinaJiaxing Sini Fastener Co., Ltd.

US$0.50-1.00

1,000 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

Shackle Bolt

Connection

Common Bolt

Head Style

Round

Standard

ANSI

Grade

Grade 5

Application

Machinery, Environmental, Building

Finish

Plain

Product Name

Shackle Bolt

Diameter

9/16"

Class

5,8

Test

Pass The Go & No Go Gauge Test

Transport Package

25kg Per Box or Bag + Strong Wooden Pallets

Specification

9/16"X3", 9/16X3 1/2"

Trademark

SINI

Origin

China

HS Code

7318150090

Production Capacity

1000tons/Year

Key features

Grade 5 Material: Manufactured from high-strength Grade 5 carbon steel for durability.

Custom Design Capability: OEM and ODM services available based on customer drawings and samples.

Precision Quality Control: 100% visual inspection and Go & No Go gauge testing for all products.

Flexible Customization: Offers full, minor, and flexible customization options for various needs.

Fast Delivery for Stock: Stock items can be delivered within 2 days after payment receipt.

Free Sample Availability: Free samples provided for items currently in stock upon request.

Global Market Experience: Over 19 years of experience serving North American and European markets.

Versatile Material Options: Products available in both carbon steel and stainless steel variants.

Company profile

R&D CapabilitiesCustomization from Samples100% Finished Products InspectionManagement Certification

Jiaxing Sini Fastener Co., Ltd.

Zhejiang, China

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: 15 Years CertifiedNearest Port: Shanghai Port; Ningbo PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier operates in hardware and mechanical equipment, with stated import/export licensing and products including fasteners. It reports OEM and ODM capability, broad customization options, and manufacturing equipment that includes punching, rolling, deburring, laser cutting, bending, riveting, and hydraulic machines. Export sales account for 90% of total sales, and stated quotation terms include FOB, CFR, CIF, and EXW. However, the available evidence indicates important operational weaknesses: only one production line is reported, there is no valid manufacturing-capacity contract with related subcontractors, no inventory or overseas service infrastructure, no written supplier-service assessment procedure, and no documented corrective-action, complaint-handling, quality-assurance, or traceability systems. No certification information or specific customer cases are provided.

Supplier typeThe supplier is presented as a hardware and mechanical-equipment business, with licensed import/export and technology-import/export activities, plus sales and R&D of hardware products, mechanical equipment, and mechanical components. Its stated product scope includes fasteners such as carriage bolts, indicating a manufacturer/supplier focused on hardware and related mechanical products.

After-Sales capabilityThe supplier has no stated overseas agents or branches, overseas warehouse, overseas showroom, or overseas service countries, and it has no written procedures or records for corrective and preventive actions or customer-complaint handling. These explicit gaps indicate weak documented after-sales and international service infrastructure.

Production capacityThe supplier lists multiple processing machines and reports one production line, a one-month average lead time in both peak and off-season, and 90% export sales. Nevertheless, it lacks a valid manufacturing-capacity contract with related subcontractors, does not continuously reconcile production quantities, has no outsourcing SOP, and has no quality assurance or raw-material traceability, creating material production-control deficiencies.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization through its design and R&D capabilities. It also states that special parts can be manufactured, providing clear evidence of broad customization capability.

Product Q&A

Q:Are you a trade company or manufacturer?

Our company is an industry and trade integration business, located in Jiaxing, Zhejiang.

Q:What materials do you use?

We use carbon steel and stainless steel for our products.

Q:What are your main products?

Fasteners, stainless steel brackets, bolts, nuts, screws, washers, threaded rods, anchors, self-tapping screws, self-drilling screws, and stainless steel plates.

Q:How long is your delivery time?

It depends on stock availability. Stock products are delivered in 2 days after payment. Normal production time is 15-20 workdays for one container.

Q:What are your payment terms?

We mostly use 30% advance payment by T/T and 70% before shipment. For small amounts, we accept PayPal.