What is the lead time for orders?

Standard delivery is within 15-30 days. Off-season lead time is within 15 workdays, while peak season lead time is approximately one month.

Are samples available for this product?

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

Premium DIN7504K Self-Drill Screw with Washer - Fast Delivery

Name: Premium DIN7504K Self-Drill Screw with Washer - Fast Delivery
Brand: Qewitco Fasteners Co., Ltd
SKU: 2125266732

Shandong, ChinaQewitco Fasteners Co., Ltd

US$0.015-0.034

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

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.

Integrated Washer Flange: Hex flange head acts as a built-in washer, distributing pressure evenly to prevent loosening.

Corrosion Resistance: Stainless steel material with yellow/green zinc plating or paint for rust prevention and durability.

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

OEM/ODM Service: Professional customization based on samples, drawings, or specifications for materials and dimensions.

100% Quality Inspection: Strict quality control with 100% visual inspection of finished products before packing.

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

International Standards: Meets DIN, GB, ANSI, BSW, JIS, and GOST standards with ISO 9001 certification.

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: ≤1.10hTerms 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 types of abrasive and tool products do you offer?

We supply a comprehensive range including Cutting Discs, Grinding Discs, Grinding Wheels, and Fiber Discs (Flap Discs) ideal for both metallic and non-metallic materials.

Q:What payment methods are accepted?

We accept secure payment methods like T/T (Telegraphic Transfer) and L/C (Letter of Credit). Specific terms are detailed in the Proforma Invoice (PI).

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

Customer satisfaction is paramount. If an issue is confirmed as our product quality fault, we ensure timely replacement or compensation with a complete after-sales process to protect your rights.

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

Certainly. Customization is our forte. We manufacture according to your samples, drawings, or requirements on materials, dimensions, strength grades, and surface treatments. Provide details for a quote and solution.

Q:What surface treatment options do you offer?

We offer diverse surface treatments for environmental and functional needs, including Zinc Plating (Blue/White, Color Zinc, Black Zinc), Hot-Dip Galvanizing, Dacromet, Mechanical Plating, Black Oxide, Phosphating, and Nickel Plating.