Robust Hex Flange Head Self-Drilling Expansion Screws for Concrete M6m8m10m12

Name: Robust Hex Flange Head Self-Drilling Expansion Screws for Concrete M6m8m10m12
Brand: Handan Chang Lan Fastener Manufacturing Co., Ltd.
SKU: 2171738552

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

US$0.0332

1,000-9,999 Pieces

US$0.0156

10,000+ Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Finish

Zinc Plated

Grade

8.8

Model NO.

LS-6-622-1

Head Type

Flange Head

Length

40mm

Material

Carbon Steel

Standard

ANSI, BSW, DIN, GB, GOST, JIS

Thread Type

Full Thread

Anti-Corrosion

Galvanized Rust Protection

Installation

No Pre-Drilling Required in Most Cases

Head Style

Countersunk / Pan Head Optional

Size Range

Multiple Diameter & Length Options

Transport Package

Box+Carton+Pallet

Specification

M6M8M10M12M14

Trademark

Origin

China

Production Capacity

50000000 Pieces/Day

Key features

Zinc-plated concrete self-tapping screws feature sharp self-cutting threads for fast drilling into concrete and masonry, with galvanized coating providing excellent rust resistance and long-lasting se

Traditional fasteners struggle with difficult penetration and rust corrosion on concrete, while zinc-plated concrete self-tapping screws solve both issues with sharp self-cutting threads for easy inst

These zinc-plated concrete self-tapping screws are widely used for fixing fixtures on concrete and brick walls, delivering convenient installation, reliable anchoring strength and long-term anti-rust

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: ≤3.08hTerms 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:What are galvanized concrete self-cutting screws?

They are high-strength carbon steel screws with heat treatment, mostly designed as hex flange head with integrated washer. Featuring deep thread pitch and cutting tip, they can be screwed directly into concrete and solid brick walls without pre-drilling to cut threads and fasten tightly. Zinc coating is applied for anti-rust performance, also known as concrete self-tapping anchor screws.

Q:What are common materials and zinc plating types?

Base material: SWRCH35K / ML35 medium carbon steel, grade 4.8 / 8.8, hardness HRC 32~44 after quenching Zinc plating options:

Q:What standard sizes are available?

Common diameters: M6, M8, M10, M12, M14; lengths range from 35mm to 200mm, customized lengths acceptable. Hex flange head with washer provides good sealing and water resistance.