What is the minimum order quantity (MOQ)?

The minimum order quantity is 100 pcs.

How can I get a sample for testing?

We can provide free samples, but the customer needs to pay the freight cost first.

What certifications do your products have?

Our products are certified with ISO, and we can provide third-party inspection reports such as SGS.

TSR/Tsingri Zinc-Aluminum Coating Hex Big Washer Double Upper and Lower Thread Sandwich Panel Screws

Name: TSR/Tsingri Zinc-Aluminum Coating Hex Big Washer Double Upper and Lower Thread Sandwich Panel Screws
Brand: Suzhou Tsingri Fasteners Co., Ltd.
SKU: 1981370642

Shandong, ChinaSuzhou Tsingri Fasteners Co., Ltd.

US$0.05-0.39

20,000 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Shape of Head

Hexagon

Model NO.

Sandwich Panel Screw 336

Surface Finishing

Dacromet/Ruspert

Certification

ISO

Customized

Thread

Coarse/Fine Thread

Sample

Available

Testing Report

Available

Standard

International/Customized

Inspection

Third Party/SGS Report

Application

Roofing Construction Crest Fixing

Head Mark

Available

Transport Package

Required

Specification

ST4.8-ST6.3/16mm-200mm

Trademark

TSR/Tsingri

Origin

China

HS Code

7318159090

Production Capacity

500tons/Month

Key features

Customized Thread Options: Coarse or fine threads available for customized requirements.

Customized Material Choice: SS410 or other materials as per customer requirement.

Customized Surface Treatment: Ruspert, Dacromet, or other surface finishes customized.

Customized Size Range: Sizes from ST5.5-ST6.3 and 75mm-300mm, fully customizable.

Sharp Self-Drilling Point: Sharp #3 drill point with upper and lower double thread for smooth operation.

Strong Locking Force: Uniform force design ensures easy tapping with strong locking capability.

Smooth Hex Flange Head: 9.5mm hexagon flange head allows smooth cold heading and drilling.

Burr-Free Surface Finish: Flat, smooth, and clean surface treatment with exquisite workmanship.

Company profile

Management CertificationHigh Repeat Buyers ChoiceOEM ServicesODM Services

Suzhou Tsingri Fasteners Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.87h

About Our Factory & Business Background

AddressRoom 912, Bldg 2, No.3000 Tongjin Ave, Wujiang District, Suzhou, 215217, China

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity100 pcs

Supply Chain Partners28

Our Production Capability & Technical Expertise

Main ProductsSelf Tapping Screw, Self Drilling Screw, Roofing Screw, Ruspert Screw, Wood Screw, Bi-Metal Screw, Heavy Duty Roofing Fasteners, Chipboard Screws, Concrete Screws, Timber Screws

R&D Engineers1 people

Our Industry Experience & Global Business Record

Main MarketsEurope, Southeast Asia/ Mideast

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff5

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015

Product Q&A

Q:What materials are available for these screws?

We offer SS410 and customized materials including 1016, 1018, 1022, 10B21, 1035, 1045, SCM435, 40CR, Aluminum, Brass, Copper, and various Stainless Steels.

Q:Can the thread type be customized?

Yes, coarse or fine threads can be customized according to your specific requirements.

Q:What surface treatments are offered?

We provide Ruspert, Dacromet, and other customized surface treatments to prevent corrosion and rust.

Q:What is the lead time for customized orders?

For customized products, the lead time is 15-30 days. In-stock items can be shipped within 7 days.

Q:Is OEM and ODM service available?

Yes, we welcome OEM and ODM services. Customized designs and samples are accepted.