What surface treatments are available?

Available surface treatments include zinc-plated, black-phosphated, or with ribs for enhanced performance.

Premium Hot DIP Galvanized Pozi Double Countersunk Screws for Wood

Name: Premium Hot DIP Galvanized Pozi Double Countersunk Screws for Wood
Brand: Handan Chang Lan Fastener Manufacturing Co., Ltd.
SKU: 2158172082

Hebei, ChinaHandan Chang Lan Fastener Manufacturing Co., Ltd.

US$0.10

1,000 Tons

Product specifications

M4

M3.5

M5

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Flat Head

Model NO.

DIN7505

Groove

Cross

Connection

Self-Tapping

Head Style

Round

Standard

Grade

4.8

Surface Treatment

Blue White Zinc / Yellow Zinc / Black Phosphated

Hardness

Hv450-Hv560

Feature

High Hardness, Anti-Crack, No Loosening

Drive Type

Pozi Drive / Phillips Drive

Executive Standard

DIN7505 / GB/T 28205

Transport Package

Bag

Specification

4x30mm

Trademark

Changlan

Origin

China

Key features

High Strength Material: Made of C1022 carbon steel with optional heat treatment for high hardness and anti-crack performance.

Anti-Loosening Design: Features Pozi/Phillips drive and rib surface options to ensure stable torque and secure fastening.

Versatile Applications: Ideal for chipboard, fiberboard, and furniture assembly in residential, commercial, and industrial projects.

Durable Surface Treatment: Available with blue/white zinc, yellow zinc, or black phosphated coatings for corrosion resistance.

Cost-Effective Quality: High cost-performance ratio suitable for both mass production and high-end custom projects.

Wide Size Range: Available in M3.5 to M6 sizes with lengths from 12mm to 100mm to fit various panel thicknesses.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedProduct Certification

Handan Chang Lan Fastener Manufacturing Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤4.67hTerms of Payment: Western Union, PayPal, D/P, etc.International Commercial Terms(Incoterms): FOB, DAP, EXW, CIP, CPT, CFR, CIF, Others, FCA, DAT

About Our Factory & Business Background

AddressLin Ming Guan Zhen Bei Shi Kou Cun Dong, Yongnian District, Handan, Hebei, China

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

Our Production Capability & Technical Expertise

Main ProductsScrew, Bolt, Nut, Anchor Bolt, Flat Washer, Expansion Bolt, Threaded Rod, High-Strength Bolt, Self-Drilling Screw, Drywall Screw

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:Are you a trading company or a manufacturer?

We are a manufacturer and we manufacture many kinds of products in our factory.

Q:Where is your factory located? How can I visit there?

Our factory is located in Yongnian district, Handan city, Hebei province, China. All our clients and friends, from home or abroad, are warmly welcome to visit us.

Q:What are your main products?

Our products mainly include all kinds of bolts, nuts, washers, anchor bolts, and threaded rods with GB, DIN, ANSI standards and many special specifications.

Q:Can I get some samples?

Yes, you can get our free samples. Our samples are only free for the customers who confirmed the order. But the freight for express is on customers.

Q:What materials are used for these screws?

The screws are made of high-quality C1022 carbon steel or stainless steel with optional heat treatment.