COREX / SerFix Turkey SKU: 220.BV.025.1000 TS EN 14566

Drywall Screws & Fasteners (Bugle Head, Self-Drilling, Wafer)

Hardened carbon steel drywall screws with black phosphate coating. Features bugle head for flush seating without tearing paper face and deep twin-lead threads.

Drywall Screws & Fasteners (Bugle Head, Self-Drilling, Wafer)
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Standard / Norm
TS EN 14566
Thicknesses / Gauges
3.5 mm (Bugle / Self-Drilling), 4.2 mm (Wafer Head)
Reaction to Fire
Euroclass A1 (Phosphate-Coated Hardened Steel)
Export Packing
Strapped & Hooded
40ft HC Container Load
24 - 25 Metric Tons
Lead Time (Ex-Works)
7 - 10 Days
Direct Factory Supply: All dispatches are strictly full truckload (FTL), container (FCL), and major project based. No retail sales.
B2B Wholesale Only / No Retail
HS Tariff Schedule Code
7318.14.91.00.00
Loading Seaports (POL)
Mersin (MIP) / Evyap / Izmir
Supported Incoterms
FOB / CIF / CFR / DAP / EXW
Export Documents
EUR.1 / A.TR / COO / CE DoP
Section 01 • Product Overview
Drywall Screws & Fasteners (Bugle Head, Self-Drilling, Wafer)
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Authentic Factory Product COREX / SerFix

Technical Overview & Manufacturing Quality

Hardened carbon steel drywall screws with black phosphate coating. Features bugle head for flush seating without tearing paper face and deep twin-lead threads.

Manufactured in modern automated facilities in Turkey under stringent European standards. Every production batch undergoes rigorous laboratory testing for flexural breaking load, dimensional tolerances, core cohesion under fire, and surface water absorption. (TS EN 14566).

Manufacturing Standards
CE Marking & Declaration of Performance (DoP)
ISO 9001:2015 Quality Management Certified
Full Compliance with Harmonized EN Standards
Export Ready ISPM 15 Treated Pallet Packaging
Section 02 • Engineering Specifications

Drywall Bugle & Self-Drilling Screws Factory Specifications

Official factory product codes, cross-section dimensions, unit weights, and production dispatch plants.

TS EN 14566
Loading Facilities & Seaport Terminals:
Ankara (Bala) Gebze (Ist) Turgutlu (Izm)
Bugle Head Drywall Screw 25 mm 220.BV.025.1000
1.000 pcs / boxes
Diameter x Length 3,5 x 25 mm
Standard Lengths 25 mm
Box & Carton Packaging 10 boxes / carton (10.000 pcs / carton)
Loading Facilities: Ankara Gebze Turgutlu
Bugle Head Drywall Screw 38 mm 220.BV.038.1000
1.000 pcs / boxes
Diameter x Length 3,5 x 38 mm
Standard Lengths 38 mm
Box & Carton Packaging 10 boxes / carton (10.000 pcs / carton)
Loading Facilities: Ankara Gebze Turgutlu
Bugle Head Drywall Screw 45 mm 220.BV.045.1000
1.000 pcs / boxes
Diameter x Length 3,5 x 45 mm
Standard Lengths 45 mm
Box & Carton Packaging 10 boxes / carton (10.000 pcs / carton)
Loading Facilities: Ankara Gebze Turgutlu
Bugle Head Drywall Screw 55 mm 220.BV.055.1000
1.000 pcs / boxes
Diameter x Length 3,5 x 55 mm
Standard Lengths 55 mm
Box & Carton Packaging 10 boxes / carton (10.000 pcs / carton)
Loading Facilities: Ankara Gebze Turgutlu
Self-Drilling Bugle Screw 25 mm 220.MV.025.1000
1.000 pcs / boxes
Diameter x Length 3,5 x 25 mm
Standard Lengths 25 mm
Box & Carton Packaging 10 boxes / carton (10.000 pcs / carton)
Loading Facilities: Ankara Gebze Turgutlu
Self-Drilling Bugle Screw 35 mm 220.MV.035.1000
1.000 pcs / boxes
Diameter x Length 3,5 x 35 mm
Standard Lengths 35 mm
Box & Carton Packaging 10 boxes / carton (10.000 pcs / carton)
Loading Facilities: Ankara Gebze Turgutlu
Wafer Head Framing Screw 32 mm 221.CV.032.0500
500 pcs / boxes
Diameter x Length 4,2 x 32 mm
Standard Lengths 32 mm
Box & Carton Packaging 10 boxes / carton (5.000 pcs / carton)
Loading Facilities: Ankara Gebze Turgutlu
COREX Bugle Head Screw 70 mm (Sharp Point) 220.BV.070.0300
Double/Triple Board Layers
Diameter x Length 3.5 x 70 mm
Standard Lengths 70 mm
Box & Carton Packaging 300 pcs / boxes (10 boxes/box)
Loading Facilities: Ankara Gebze Turgutlu
COREX Self-Drilling Screw 45 mm 220.MV.045.1000
0.70 - 2.0 mm Sac
Diameter x Length 3.5 x 45 mm
Standard Lengths 45 mm
Box & Carton Packaging 1.000 pcs / boxes (10 boxes/box)
Loading Facilities: Ankara Gebze Turgutlu
COREX Self-Drilling Screw 55 mm 220.MV.055.1000
0.70 - 2.0 mm Sac
Diameter x Length 3.5 x 55 mm
Standard Lengths 55 mm
Box & Carton Packaging 1.000 pcs / boxes (10 boxes/box)
Loading Facilities: Ankara Gebze Turgutlu
Premium COREX Special Screw 25 mm 221.PV.025.1000
High Density Board
Diameter x Length 3.8 x 25 mm
Standard Lengths 25 mm
Box & Carton Packaging 1.000 pcs / boxes (10 boxes/box)
Loading Facilities: Ankara Gebze Turgutlu
Premium COREX Special Screw 38 mm 221.PV.038.1000
High Density Double Layer
Diameter x Length 3.8 x 38 mm
Standard Lengths 38 mm
Box & Carton Packaging 1.000 pcs / boxes (10 boxes/box)
Loading Facilities: Ankara Gebze Turgutlu
COREX Laminating Screw 32 mm 221.CV.032.0500
Board-to-Board Lamination
Diameter x Length 3.9 x 32 mm
Standard Lengths 32 mm
Box & Carton Packaging 500 pcs / boxes (10 boxes/box)
Loading Facilities: Ankara Gebze Turgutlu
COREX Bracket Screw 15 mm (Wafer Head) 221.AV.015.0500
Steel-to-Steel & Bracket Fixing
Diameter x Length 4.2 x 15 mm
Standard Lengths 15 mm
Box & Carton Packaging 500 pcs / boxes (10 boxes/box)
Loading Facilities: Ankara Gebze Turgutlu

Factory Dispatch Facilities & Export Seaport Connections

All orders are dispatched from the geographically most advantageous manufacturing facility based on delivery terms (FOB, CFR, CIF, DAP) and destination country:

Golbasi - Bala Plant (Ankara)
Active Dispatch
Port of Mersin (MIP)
Middle East, Red Sea, North Africa, Arabian Gulf
Gebze Plant (Kocaeli)
Active Dispatch
Ports of Istanbul (Ambarli & Diliskelesi)
Black Sea, West Mediterranean, European Road Freight
Turgutlu Plant (Manisa)
Active Dispatch
Ports of Izmir (Alsancak & Nemport)
Aegean Sea, Greece, Italy, Adriatic & Balkans
Elmadag Plant (Ankara)
Port of Mersin (MIP) & Road Freight
Central Anatolia, Caucasus & Middle East Corridor
Cerkezkoy Plant (Tekirdag)
Port of Asyaport & Europe Border Gate
Balkans, Central Europe & Northern Sea Routes
Container pallet nesting configurations, ocean freight rates and transit times: Export Logistics & Container Guide →
Direct Export Sales Desk

Request Proforma Quote (FOB / CIF)

Get factory-direct pricing and container loading plans within 2 hours.

Direct manufacturer & mill supply (no intermediate markups)
CE Marking, Declaration of Performance (DoP) & ISO 9001
Flexible payment: T/T and 100% Confirmed Irrevocable L/C accepted
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Section 03 • Architectural Applications

Recommended Project Uses & Systems

Fixing gypsum boards to light gauge metal studs (0.50 - 0.70mm)
Self-drilling screws for heavy gauge framing studs (0.70 - 2.00mm)
Metal-to-metal framing connection with wafer head screws
Section 04 • Export Packaging & Logistics

Pallet Stacking & 40ft HC Container Payload

Consolidated inside board and profile containers to utilize remaining payload.

Standard Pallet Dimensions & Packaging Values:
Bugle 3.5x25mm
1,000 Pcs/Box, 10 Boxes/Carton (10,000 Pcs / Carton)
Bugle 3.5x35mm
1,000 Pcs/Box, 10 Boxes/Carton (10,000 Pcs / Carton)
Bugle 3.5x45mm
1,000 Pcs/Box, 8 Boxes/Carton (8,000 Pcs / Carton)
Wafer 4.2x14mm
1,000 Pcs/Box, 10 Boxes/Carton (10,000 Pcs / Carton)
Export Moisture Barrier Guarantee: All sea freight pallets are placed on ISPM 15 treated wooden blocks, cross-strapped with polyester tension bands, protected with corrugated corner guards, and encapsulated in heat-shrunk polyethylene weather hoods to safeguard against maritime humidity.

Optimize container loading by combining boards, galvanized profiles, and accessories in a single consolidated shipment.

Buyer Inquiries & Support

Frequently Asked Questions

Export procedures, technical standards, minimum orders, and shipping lead times.

Direct Turkish Factory Export

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