How long does it take to deliver?

Delivery time is 15-20 days during peak season and one month during the off-season.

Do you offer custom packaging?

Yes, we can pack according to your specific requirements before shipment.

What is your after-sales service policy?

We provide prompt solutions for any small problems that may occur.

Galvanized Hex Head Washer Self-Drilling Roofing Screws

Name: Galvanized Hex Head Washer Self-Drilling Roofing Screws
Brand: Guangzhou 247 International Co., Ltd
SKU: 712481652

Guangdong, ChinaGuangzhou 247 International Co., Ltd

US$1,000.00-1,100.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head With Flange

Model NO.

Self-Drilling Screws

Groove

Hexagon

Connection

Hinged Bolts

Head Style

Hexagonal

Standard

DIN, GB

Grade

12.9

Item Name

Hex Head Self-Drilling Screw

Color

Galvanized

Surface Finishing

Bright, Galvanized

Point

Sharp Self Drilling

Diameter

4.8mm-6.3mm

Size

1/2"-4"

MOQ

1000kg

Sample

Offer for Free

Delivery Time

15-20 Days

Price Term

EXW ,CIF,Fob

Transport Package

20kg or 25kgs Per Carton or as Required

Specification

SGS

Trademark

J&J

Origin

Guangdong

HS Code

7318120001

Production Capacity

450tons/Month

Key features

High Strength Material: Made from carbon steel C1022 and C1018 with Grade 12.9 for superior durability.

Self-Drilling Capability: Features sharp self-drilling points (No. 2-5) for efficient installation without pre-drilling.

Versatile Washer Options: Available with rubber, EPDM, or steel bonded washers for various sealing needs.

Multiple Finish Choices: Offered in galvanized (blue, white, yellow) or phosphated finishes for corrosion resistance.

Wide Size Range: Diameters from 4.2mm to 6.3mm and lengths from 13mm to 152mm to fit diverse applications.

Competitive Pricing: High quality products provided at competitive prices with flexible payment terms.

Fast Delivery: Lead time of 15-20 days during peak season and one month during off-season.

Customizable Packaging: Flexible packaging options including 1000pcs/box or bulk as per customer requirements.

Company profile

Guangzhou 247 International Co., Ltd

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2012-12-09Nearest Port: Guangzhou, Qingdao, NingboAverage Response Time: ≤18hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, FCA, EXW, Others

AI-Powered supplier vetting

SummaryGuangzhou 247 International Co., Ltd is identified as a China-based limited trading company and manufacturer/factory, founded in 2000, with products centered on wire mesh, fasteners, welding supplies, safety products, and related hardware. The supplier reports more than 10 production lines, 6–10 quality-control staff, 6–10 years of R&D engineer experience, and broad export coverage, with exports representing 90% of total sales. It states peak-season fulfillment within 15 workdays and off-peak lead time of one month. Multiple management-system certifications are listed, but the provided information does not verify certificate validity or scope. Evidence is insufficient to assess after-sales service, customization, financial credibility, or customer cases. The records also contain an inconsistency: one slice identifies this Guangzhou supplier, while another separately describes LongXL, a United States-based FPV cable company; the latter should not be attributed to Guangzhou 247.

Supplier typeThe supplier is described as a trading company in Guangzhou’s Haizhu District, while its business entity type is listed as both “Trading Company” and “Manufacturer/Factory.” Its description states that it engages in wholesale and manufacture, indicating a mixed trading and manufacturing profile.

CertificationsThe supplier lists BSCI, ISO 9000, ISO 9001, ISO 14001, ISO 14000, ISO 20000, ISO 14064, TS 16949, OHSAS/OHSMS 18001, HSE, GMP, and QC 080000 certifications. However, no certificate numbers, issuing bodies, validity dates, or applicable scopes are provided.

R&D capabilityThe supplier reports 6–10 years of total experience among its R&D engineers. This supports the existence of experienced R&D personnel, but no evidence is provided regarding patents, new product development, proprietary technology, or innovation results.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, peak-season fulfillment within 15 workdays, and an off-peak lead time of one month. Its stated wholesale-and-manufacturing profile and wire-mesh product description further support operational production capability.