What is the lead time for orders?

Standard delivery is 15-30 days. Peak season lead time is one month, while off-season lead time is within 15 workdays.

Are samples available?

Samples in stock are free, but freight costs are collected by the buyer.

DIN7504K Hexagonal Head Drill Screw with Color-Coated Washer

Name: DIN7504K Hexagonal Head Drill Screw with Color-Coated Washer
Brand: Qewitco Fasteners Co., Ltd
SKU: 2122791162

Shandong, ChinaQewitco Fasteners Co., Ltd

US$0.015-0.034

1,000 Pieces

Product specifications

DIN7054K Screw

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

Yellow Zinc Plated, Green Zinc Plated,Hex Head Pai

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 Design: Built-in drill point allows direct drilling and tapping into metal or wood without pre-drilling.

Anti-Loosening Structure: Integrated flange and washer distribute pressure evenly, preventing loosening under vibration.

Corrosion Resistance: Protective coating blocks air and moisture, extending service life in harsh environments.

Customizable Colors: Available in customizable colors or silver, including yellow/green zinc plating and painted finishes.

High Strength Grade: Manufactured from stainless steel with Grade 8.8 or 10.8 strength for secure fastening.

100% Quality Inspection: Every product undergoes strict visual inspection to ensure zero defects before shipment.

OEM/ODM Service: Professional team provides custom solutions based on drawings, samples, or specific requirements.

Fast Delivery: Standard delivery within 15-30 days, with peak season lead time of one month and off-season 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: ≤0.42hTerms of Payment: T/T

AI-Powered supplier vetting

SummaryThe supplier demonstrates established export experience, with 90% of sales from exports and 22 years of exporting. It has ISO9001:2015 certification, raw-material traceability, quality assurance, and 100% finished-product inspection, although inspection is performed by packing staff and only two quality inspectors are reported. Customization is broad, covering samples, designs, full customization, minor customization, and flexible customization. Service strengths include in-stock capability, stated lead times within 15 workdays in both peak and off-season, and multiple payment and quotation terms. Limitations include no overseas warehouse, showroom, agent, branch, or overseas service-country coverage, no Fortune 500 cooperation, no new products launched in the last year, one R&D engineer, no popular-brand OEM, and an undocumented corrective/preventive-action process. Financial credibility cannot be assessed because the provided financial figures are excluded from evaluation.

Supplier typeThe supplier is strongly export-oriented, reporting 90% export sales and 22 years of export experience. It can provide in-stock service and accepts FOB, CIF, CFR, and EXW terms, but reports no overseas warehouse, showroom, agent, branch, or overseas service-country coverage.

CertificationsThe supplier reports an ISO9001:2015 certificate for both sustainable development management and management systems, plus other product compliance or sustainability certifications. The specific additional certifications are not identified, so the evidence supports ISO9001 holding but not broader certification strength.

R&D capabilityThe supplier reports one R&D engineer and no new products launched during the previous year. It also reports no available SDK and no popular-brand OEM capability, which indicates limited documented innovation evidence.

Production capacityProduction-related evidence includes raw-material traceability, 100% finished-product inspection, quality assurance, four own-brand quality-control capabilities, inventory capacity, and lead times within 15 workdays in both peak and off-season. Only two quality inspectors are reported, and finished products are checked by packing staff, so production capability is positive but quality-control depth is limited.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization capability.

Product Q&A

Q:What payment methods are accepted?

We support T/T (Telegraphic Transfer) and L/C (Letter of Credit). Specific terms are stated in the Proforma Invoice.

Q:Can you produce custom fasteners?

Yes, we offer full customization based on samples, technical drawings, or specifications for material, dimensions, and surface treatment.

Q:What surface treatments are available?

Options include Zinc Plating (Blue/White/Color/Black), Hot-Dip Galvanizing, Dacromet, Mechanical Plating, Black Oxide, Phosphating, and Nickel Plating.

Q:What is the warranty for quality issues?

If quality issues are confirmed to be our fault, we provide timely replacement or compensation to protect your interests.

Q:What standards do your products comply with?

Our products comply with DIN, GB, ANSI, BSW, JIS, GOST, and ISO standards, with certifications available upon request.