What are the lead times for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What payment terms do you offer?

We accept T/T (Telegraphic Transfer) as the term of payment.

4.8/8.8 Grade Double-Headed Galvanized Bolts for High Strength Steel Structure Customization

Name: 4.8/8.8 Grade Double-Headed Galvanized Bolts for High Strength Steel Structure Customization
Brand: QINGHE SANJU TRADING CO., LTD.
SKU: 2070827435

Hebei, ChinaQINGHE SANJU TRADING CO., LTD.

US$0.20-2.00

1,000 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

High Strength Steel

Type

Round Head

Model NO.

M3-M20

Connection

Hinged Bolts

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Hot Galvanizing

Bolt Material

Carbon Steel and Stainless Steel

Surface Treatment

Cold Galvanized & Hot Galvanized & Black

Bolt Grade

4.8 / 8.8

Transport Package

Export Packing

Specification

Can be customized

Trademark

SANJU

Origin

Hebei

HS Code

7318151001

Production Capacity

1000000

Key features

Customizable Surface Treatment: Offers cold galvanizing, hot galvanizing, black, and other surface treatments.

Wide Material Selection: Available in Carbon Steel, Stainless Steel (304, 316), and various alloy grades.

Flexible Size Options: Specifications range from M3mm to M100mm with customizable lengths.

High Strength Grades: Provides 4.8 and 8.8 grade bolts suitable for high-strength steel structures.

Versatile Applications: Ideal for machinery, bridges, automobiles, boilers, and large buildings.

OEM/ODM Support: Accepts customization for small batches and specific product types.

Company profile

QINGHE SANJU TRADING CO., LTD.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2019-04-04 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.93h CertifiedTerms of Payment: T/T

AI-Powered supplier vetting

SummaryQINGHE SANJU TRADING CO., LTD. is a China-based limited company established in 2019, operating from Hebei with 15 employees. The supplier describes itself as an integrated manufacturing and trading company and reports four production lines, a 1,200 m² manufacturing area, milling cutter output of 3,000,000 pieces, and export activity across Africa, Southeast Asia/Mideast, Europe, and North America. It states that 71%–90% of sales are exports and offers FOB, CIF, and CFR quotation terms. The supplier claims export experience, after-sales service, broad product coverage, and cooperation with customers in multiple countries. However, its management-system certification is listed as NIL, and the available information does not substantiate specific customer references, formal innovation programs, or detailed customization capabilities.

Supplier typeThe supplier is identified as a combined business entity and describes itself as an integrated industry-and-trade company providing manufacturing, sales, and purchasing follow-up services. This indicates a hybrid manufacturing and trading model rather than a pure trading-only operation.

CertificationsThe supplier’s certification of management systems is explicitly recorded as NIL. Therefore, no management-system certification is evidenced in the provided information.

After-Sales capabilityThe supplier explicitly claims good after-sales service and describes a range of follow-up services intended to support procurement, distribution, and savings management requirements. These statements provide positive evidence of an after-sales service offering, although no service process or performance metrics are supplied.

Production capacityThe supplier reports an integrated manufacturing-and-sales operation, a 1,200 m² manufacturing area, four production lines, and annual milling cutter output of 3,000,000 pieces. It also states lead times of within 15 working days during off-peak periods and one month during peak periods, providing explicit evidence of established production capacity and defined fulfillment timelines.

Product Q&A

Q:What surface treatments are available?

We offer cold galvanizing, hot galvanizing, black, electroplating, blackening, oxidation, phosphating, and non-electrolytic zinc sheet coating.

Q:What materials can be used for these bolts?

Materials include Carbon Steel, Stainless Steel (304, 316, 304L, 316L), Q235, 45#, 40Cr, 35CrMoA, Q345D, 25Cr2MoV, and various B-grade steels.

Q:What is the range of specifications and sizes?

Specifications range from M3mm to M100mm. Lengths can be customized according to user needs.

Q:What are the common applications for these bolts?

They are widely used in mining machinery, bridges, automobiles, motorcycles, boiler steel structures, hanging towers, long-span steel structures, and large buildings.

Q:Do you accept customization for small batches?

Yes, we accept customization for small batches and various coating types. Please contact customer service for details.