What is the delivery time for orders?

The standard delivery time is 15-30 days. During the off-season, the lead time is within 15 workdays, while peak season lead time is approximately one month.

Are samples available for testing?

Samples in stock are free, but the freight cost is collected by the buyer. Custom samples can be arranged based on specific requirements.

What certifications do your products have?

Our products meet major international standards such as DIN, BS, ASME, GOST, GB, and ISO. Relevant certifications are available upon request, and we adhere to the ISO 9001 Quality Management System.

DIN7504K Hex Flange Self-Drilling Screws for Construction

Name: DIN7504K Hex Flange Self-Drilling Screws for Construction
Brand: Qewitco Fasteners Co., Ltd
SKU: 2125284392

Shandong, ChinaQewitco Fasteners Co., Ltd

US$0.02-0.10

1,000 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Countersunk Head

Model NO.

DIN7504K Hexagonal Head Drill Screw

Groove

Round

Connection

Common Bolt

Head Style

Counter Sunk Bolt

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

8.8

Delivery

15-30 Days

Certification

DIN7504K ANSI BS GB

Packag Color

Customizable

Thread Standard

Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric Fine

Custom Order

Customization by Drawing/Sample

ODM/OEM

Available

Service

Custom-Made Service

Material Test Certificate

Have

Sample

Samples in Stock Are Free with Freight Collect

Price Terms

Fob/CFR/CIF/DDP/DAP

Color

Customizable or Sliver

Quality Control

100% Quality Inspection

Application2

Connection,Fastening

Finish

Magni,Zinc Plated,Ruspert,Dacromet

Transport Package

Bulk Pack Small Boxed

Specification

ST2.2 TO ST6.3, LENGH -4.5 TO 50MM

Trademark

Qewitco

Origin

China

HS Code

731816

Production Capacity

10000ton/Year

Key features

Self-Drilling Efficiency: Integrated drill point allows direct drilling and tapping into metal or wood without pre-drilling.

Anti-Loosening Design: Hex flange with integrated washer disperses pressure and prevents loosening under vibration.

Corrosion Resistance: Stainless steel construction with protective finishes like Zinc Plating or Dacromet for long lifespan.

Customizable Appearance: Color options are customizable or available in Silver, meeting diverse aesthetic needs.

Strict Quality Control: 100% quality inspection ensures every product meets high standards before delivery.

ISO 9001 Certified: Manufacturing adheres to ISO 9001 system for precise control and traceability from raw materials.

OEM/ODM Support: Customization available based on drawings or samples for material, dimensions, and strength grade.

Fast Delivery: Standard delivery time is 15-30 days, with off-season lead time within 15 workdays.

Company profile

Years of Export ExperienceExperienced TeamSelf-brandedHigh Repeat Buyers Choice

Qewitco Fasteners Co., Ltd

Shandong, China

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: ≤0.85hTerms 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:What types of abrasive and tool products do you offer?

We offer a comprehensive range of abrasives and tools, including Cutting Discs, Grinding Discs, Grinding Wheels, and Fiber Discs (Flap Discs), suitable for grinding and cutting both metallic and non-metallic materials.

Q:What payment methods are accepted?

We support various secure payment methods, including T/T (Telegraphic Transfer) and L/C (Letter of Credit). Specific terms are clearly stated in the Proforma Invoice (PI).

Q:What if quality issues are found after receiving the goods?

Customer satisfaction is our priority. If an issue due to product quality is confirmed, we commit to a timely replacement or compensation. Our comprehensive after-sales process ensures your rights and interests are fully protected.

Q:Can you produce non-standard or custom-sized fasteners?

Absolutely. Customization is our core strength. We manufacture products from your samples, technical drawings, or specific requirements regarding materials, dimensions, strength grades, and surface treatments. Provide details for a quotation and tailored solution.

Q:What surface treatment options do you offer?

We offer comprehensive surface treatment services to meet diverse environmental and functional needs. Options include Zinc Plating (Blue/White, Color Zinc, Black Zinc), Hot-Dip Galvanizing, Dacromet, Mechanical Plating, Black Oxide, Phosphating, and Nickel Plating.