High-Quality Reinforced Extended Hex Head Self-Drilling Screw with Bonded Washer

Name: High-Quality Reinforced Extended Hex Head Self-Drilling Screw with Bonded Washer
Brand: Handan Chang Lan Fastener Manufacturing Co., Ltd.
SKU: 2165861032

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

US$0.25

100-998 Pieces

US$0.22

999-49,999 Pieces

US$0.02

50,000+ Pieces

Sample price:US$0.25/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Shape of Head

Hexagon

Model NO.

DIN 7504K

Surface Finishing

Zinc Plated

Certification

Customized

Product Type

Hex Head Self-Drilling Screw with EPDM Wash

Drive Type

Hex Drive

Washer Type

EPDM Bonded Washer (Waterproof Composite Washer)

Point Type

Self-Drilling Point (#3 / #4 Drill Point Optional)

Transport Package

Woven Bag / Cardboard Box

Specification

M4.2/M5.5/M6.3

Trademark

Origin

Handan Hebei

Key features

Self-Drilling with EPDM Washer: Drills, taps, and seals in one step for leak-proof roofing.

Eliminate Roof Leaks: Integrated EPDM washer creates a watertight seal to prevent water penetration.

500+ Hours Salt Spray Resistance: Color zinc plating delivers superior corrosion resistance.

Weatherproof Outdoor Use: Ideal for metal roofing, siding, and light steel framing projects.

All-in-One Design: Combines drilling, fastening, and sealing, no separate washers needed.

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: ≤3.39hTerms 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:why should you buy from us not from other suppliers?

we are manufacture for bolts and nuts have several Taiwan machine do products ,hot forging &cold forging all can supply and our quality for export no problem . still now have many customers in global

Q:how can we guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment;

Q:who are we?

We are based in Hebei, China, start from 2015,sell to Domestic Market(40.00%),Africa(30.00%),South America(10.00%),Southeast Asia(10.00%),Southern Europe(5.00%),Northern Europe(5.00%). There are total about 11-50 people in our office.