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Corrosion Resistance Versatility Twin-Fast Full Thread Self Drilling Screws
US$0.09-0.18
200 Pieces
Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel + Carbon Steel

Type

Hexagon Head

Model NO.

UNF-01

Groove

Hexagon

Connection

Drilling

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

Bi Metal

Drill Point

#1, #2, #3, #5

Surface Treatment

Zinc Plated, Ruspert, Dacromet, Customized

Delivery

Sea Freight, Air, Train, Express

Certification

Eta, ISO9001, BSCI

Application

Solar Mounting and Outdoor

Transport Package

Carton Boxes + Pallets

Specification

4.8/5.5/6.3

Trademark

UN

Origin

China

HS Code

7318151001

Production Capacity

700tons/Month

Key features

Bi-Metal Construction: Carbon steel core for strength and stainless steel exterior for corrosion resistance.
Solar Mounting Application: Ideal for securing rails, brackets, and frames in solar power systems and outdoor use.
Self-Drilling Design: Hexagon head with full thread and drill points #1-#5 for easy installation into metal.
High Corrosion Resistance: Stainless steel exterior protects against oxidation, rust, and weathering for long-term use.
Customizable Options: Offers customized surface treatments like Zinc Plated, Ruspert, and Dacromet.
Multiple Sizes Available: Available in 4.8mm, 5.5mm, and 6.3mm diameters with lengths up to 500mm.
Certified Quality: Certified by ETA, ISO9001, and BSCI for reliable performance and quality assurance.
Heat Treated Toughness: Hardened through heat treatment to maximize toughness and resistance to stripping.

Company profile

Hangzhou Union Hardware Co., Ltd
High Repeat Buyers ChoiceExhibition ExperienceR&D CapabilitiesImporters and Exporters
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤2.91h

About Our Factory & Business Background

AddressRoom 401-1, No.58, Xiangshan Road, Wenyan Street, Xiaoshan, Hangzhou, Zhejiang, China
Plant Area100 square meters
Number of Employees4
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, one month, 1-3 months Off Season Lead Time: within 15 workdays, one month, 1-3 months
Minimum Order Quantity1000 pcs
Supply Chain Partners56

Our Production Capability & Technical Expertise

Main ProductsBit Holders, Bits, Sockets, Torque Wrench, Ratchet, Hex Keys, Tool Set, Pta Sets, Bi-Metal Screws, Stainless Steel Fasteners
R&D Engineers1 people

Our Industry Experience & Global Business Record

Year of Establishment2023-08-03
Main MarketsEurope, Africa, Domestic
Repeat Buyers Choice50%~80%
Number of Foreign Trading Staff2
Overseas Agent/BranchNo
New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:What materials are used in these bi-metal screws?
A:
They are made of a carbon steel core (SCM435) for strength and a stainless steel exterior (SUS304) for corrosion resistance.
Q:What are the available drill point options?
A:
The screws come with drill points #1, #2, #3, and #5 to suit different material thicknesses.
Q:What surface treatments are available?
A:
Options include Chrome, Ruspert, Dacromet, Zinc Plated, and Mechanical Galvanized, with customization available.
Q:What is the minimum order quantity (MOQ)?
A:
The minimum order quantity is 1000 pieces.
Q:What certifications do these screws have?
A:
The products are certified by ETA, ISO9001, and BSCI.

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