What surface treatments are available?

We offer Class 2, Class 3, Class 4 Galvanised, and Dacromet Coating. Salt spray test resistance ranges from 500 to 2000 hours depending on the treatment.

What is the warranty or quality guarantee?

We support sample testing and third-party inspection to ensure quality before shipment.

What are the main applications for these screws?

These carbon steel screws are used for general fastening, woodworking, construction, and securing plastics, sheet metal, or wood in various environments.

13mm to 100mm Length Class 3&4 Galvanised Corrosion Resistant Screws

Name: 13mm to 100mm Length Class 3&4 Galvanised Corrosion Resistant Screws
Brand: Hangzhou Union Hardware Co., Ltd
SKU: 1938884081

Zhejiang, ChinaHangzhou Union Hardware Co., Ltd

US$0.04-0.12

10 Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

UNF-17

Groove

Cross

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

4.8, 5.8, 6.8, 8.8, 10.9, 12.9; A2-70,A4-70,A4-80

Delivery

Sea Freight, Air, Train, Express

Certification

ISO9001:2015, BSCI

Sample

Yes

ODM/OEM

Transport Package

Carton Boxes + Pallets

Specification

M3.5-M6.3

Trademark

Origin

China

HS Code

7318140000

Production Capacity

700tons/Month

Key features

Corrosion Resistance: Class 3&4 Galvanised coating provides 500-2000 hours salt spray test resistance.

Wide Size Range: Available in M3.5-M6.3 sizes and 13mm-100mm lengths, including non-standard options.

High Strength Grades: Offers various grades from 4.8 to 12.9, plus A2-70/A4-70/A4-80 stainless options.

Customization Support: Accepts OEM/ODM, full customization, minor customization, and design-based requests.

Quality Assurance: Supports sample testing and third-party inspection to ensure product quality.

Versatile Applications: Suitable for wood, metal, plastic, and demanding outdoor or marine environments.

Fast Delivery Options: Supports sea freight, air, train, and express shipping for flexible logistics.

Certified Standards: Meets DIN, GB, ANSI, BSW, JIS, GOST standards with ISO9001:2015 certification.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceR&D CapabilitiesImporters and Exporters

Hangzhou Union Hardware Co., Ltd

Zhejiang, China

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: ≤1.23h

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 is the minimum order quantity?

The minimum order quantity is 1000 pcs.

Q:What are the available payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Q:Can you provide custom sizes or designs?

Yes, we offer full customization, minor customization, flexible customization, and can customize from designs or samples. Non-standard sizes and lengths are available upon request.

Q:What is the lead time for production?

Lead time depends on quantity and season. Peak season lead time is within 15 workdays to 3 months. Off-season lead time is within 15 workdays to 3 months.

Q:What certifications do your products have?

Our products are certified with ISO9001:2015 and BSCI.