What surface treatments are available?

We offer various surface treatments including Ruspert, Galvanized (blue/yellow/white/color), Black/Gray Phosphated, Color Oxided, Hot Dip Galvanized, and Dacromet.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments. Terms can be discussed based on the order value and relationship.

How does the salt spray resistance compare to standards?

Our Ruspert treatment provides 1800 hours of salt spray resistance and 30 cycles of Kesternich testing, exceeding the requirements of FM 4470.

TSR/Tsingri Phillips Truss Head Extra Heavy Duty Screws For Membrane Fixing

Name: TSR/Tsingri Phillips Truss Head Extra Heavy Duty Screws For Membrane Fixing
Brand: Suzhou Tsingri Fasteners Co., Ltd.
SKU: 2090105105

Shandong, ChinaSuzhou Tsingri Fasteners Co., Ltd.

US$0.18-0.56

10,000 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Shape of Head

Cup Head

Model NO.

TPO Membrane Roofing Screw 253

Surface Finishing

Ruspert

Certification

ISO, GS, FM, EA

Customized

Thread

Coarse/Fine Thread

Drive

Phillips Drive

Point

#2 Drill Point

Sample

Free

Testing Report

Available

Standard

International/Customized

Inspection

Third Party/SGS Report

Application

Roofing Custruction

Head Mark

Available

Salt Spray Time

30 Cycles of Kesternich

Individual Package

Available

Transport Package

Required

Specification

5.58/6.22/6.98mm

Trademark

TGR

Origin

China

HS Code

7318140000

Production Capacity

500tons/Month

Key features

Customized Specifications: Offers customized thread, drive, point, size, and material options to meet specific project needs.

High Durability Coating: Features Ruspert surface treatment with 1800H salt spray resistance and 30 Kesternich cycles.

Fast Delivery Options: In-stock items ship within 7 days, while customized orders are completed in 15-30 days.

Professional Manufacturing: Over 30 years of experience in self-drilling and self-tapping screws with advanced equipment.

Free Sample Availability: Provides free samples for quality testing, with customer covering freight costs.

Strict Quality Control: Supports third-party inspections and SGS reports to ensure product reliability and standards.

Wide Application Range: Designed for roofing construction, timber, and concrete fastening with various head shapes.

Multiple Certifications: Certified by ISO, GS, FM, and EA, ensuring compliance with international safety standards.

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: ≤3.19h

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 customization options are available for these screws?

We offer full customization including thread type (coarse/fine), drive type, point style, size, material, and surface treatment. You can provide drawings or samples for ODM/OEM services.

Q:What is the lead time for orders?

For in-stock items, the lead time is within 7 days. For customized orders, it typically takes 15-30 days depending on the complexity and quantity.

Q:Can I get free samples before placing an order?

Yes, we provide free samples for testing purposes. However, the customer is required to pay for the shipping freight costs.

Q:What certifications do your products hold?

Our products are certified by ISO, GS, FM, and EA. We also support third-party inspections and can provide SGS reports upon request.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 100 pieces. We accommodate both small trial orders and large bulk purchases.