We have most sizes in stock. For orders under 5,000 pcs, the lead time is 5-7 days.

Can we customize the production?

Yes,we can make mold to produce,you only send us your request with detailed drawings or photos, then we will make the quotation for you accordingly.

Can I get a better price for bulk orders?

Definitely. Our prices are negotiable. The more you order, the more discount you will get. Please contact us for a tailored offer.

Are your products certified? Can I get the certification files?

All our products comply with industry standards and hold valid certificates. Please send us a message, and we will provide you with the relevant certification documents promptly.

Can you offer detailed dimension drawings and specifications?

We have complete size data for all items. Feel free to contact us to receive the detailed product dimensions.

What is your minimum order quantity(MOQ)?

We support flexible MOQ. Most standard products accept small orders. Please contact us to confirm the exact MOQ of the items you need.

How soon can I receive your quotation after inquiry?

We normally send you the official quotation within 24 working hours once we get your detailed requirements.

Can I mix different items in one order?

Yes, mixed orders of different sizes and models are available. Kindly send us your product list for arrangement.

What shipping options are available?

We offer sea freight, air freight and international express. We will recommend suitable shipping way based on your order quantity and delivery schedule.

How to handle defective products after receiving goods?

Please provide photos or videos of defective goods to us. We will work out a proper solution like replacement or compensation after verification.

Countersunk Head Stainless Steel Bi Metal Self Drilling Screw

Name: Fastener Hex Flange/Pan/Countersunk Head Stainless Steel Bi Metal Self Drilling Screw
Brand: Qewitco Fasteners Co., Ltd
SKU: 2111600092

Shandong, ChinaQewitco Fasteners Co., Ltd

US$0.20-0.63

1,000 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hex Flange/Pan/Csk Head Bi Metal Drilling Screw

Model NO.

Bi Metal Self Drilling Screw

Groove

Phillips

Connection

Common Connection

Head Style

Hex Flange/Pan/Countersunk Head

Standard

DIN, ISO

Grade

Delivery

5-15 Days

Packag Color

Customizable

Thread Standard

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

Finish

Plain,Stainless Steel,Zinc Plated,HDG

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,Installation,Construction

Transport Package

Bulk Pack Small Boxed

Specification

DIA 5.5MM LENGTH 38MM TO 300MM, Customized

Trademark

Qewitco

Origin

China

HS Code

731816

Production Capacity

10000ton/Year

Key features

We are a factory-direct manufacturer: We are professional factory direct supplier of stainless steel fasteners, cutting intermediate costs.

Our Wide Product Range: Available items: screw, bolt, washer, nail, pins & rivets, threaded insert, stud, threaded rod & stamping parts.

Negotiable Price: Competitive & negotiable pricing to match your procurement budget.

Reliable Quality Assurance: 100% quality guarantee. Strict laboratory testing ensures stable performance & full compliance with international industry standards.

Fast Delivery & Sufficient Stock: Most specifications are kept in stock. Lead time: 5-7 days for orders below 5,000 pcs.

With excellent rust and corrosion resistance, it is less prone to rusting during long-term use in humid, outdoor, and coastal environments, ensuring a longer service life.

Widely used in the fields of mechanical equipment, construction engineering, marine facilities, automobiles, and rail transportation.

Suitable for furniture assembly, electronics and appliances, photovoltaic equipment, petrochemical, and environmental protection projects.

Qewitco, a fastener manufacturer, has over 20 years of experience in supplying products.

Our fastener factory offers OEM services based on your requirements, drawings, or samples.

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: ≤1.23hTerms 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.