UNI 6109 – Slotted Countersunk Flat Head Screws

(DIN EN ISO 2009 | DIN 963 | ISO 2009 | CSN 021131 | PN 82215 | IS 1365:2005)

Global Manufacturer, Exporter & Supplier – Dipti Metal Industries

Founded in 2009 by Kumpsingh Rajput, Dipti Metal Industries is a trusted UNI 6109 manufacturer, exporter, supplier, stockist, dealer, distributor, and wholesaler of precision-engineered Slotted Countersunk Flat Head Screws. We supply to over 40 countries across North America, Europe, Middle East, Africa, Asia-Pacific, and South America, serving industries that demand accuracy, reliability, and compliance with international fastener standards.

Product Overview

UNI 6109 Slotted Countersunk Flat Head Screws are designed for applications where a flush fit is required. The slotted drive allows easy installation, while the flat countersunk head ensures a smooth, snag-free surface. These screws are manufactured to Product Grade A as per IS 1365:2005, ensuring dimensional accuracy, high strength, and long-term durability.

Standards & Equivalent Norms

• UNI 6109 – Slotted Countersunk Flat Head Screws

• Current Norm: DIN EN ISO 2009

• Equivalent Norms: DIN 963, ISO 2009, CSN 021131, PN 82215

• Indian Standard: IS 1365:2005

Technical Specifications

• Thread Range: M1.6 to M10

• Thread Tolerance: 6g (ISO 965-2)

• Head Type: Flat Countersunk with Slotted Drive

• Product Grade: A

• Property Classes:

  • Carbon Steel: 4.8, 5.8

  • Stainless Steel: A2-50, A2-70 (SS 304, SS 316)

  • Non-Ferrous Metals: As per ISO 8839

• Tolerances: ISO 4759-1

• Surface Discontinuities: ISO 6157-1

Available Materials & Grades

• Carbon Steel – 4.8, 5.8 (Heat-treated for high strength)

• Stainless Steel – A2-50, A2-70 (SS 304, SS 316) for superior corrosion resistance

• Alloy Steel – For heavy-duty applications

• Non-Ferrous Metals – Brass, Copper, Aluminium

• Special Alloys – Titanium Grade 2/5, Monel 400/K500, Inconel 600/625/718, Hastelloy C22/C276, Duplex & Super Duplex

Surface Coatings & Brand Finishes

• Zinc Plated – Electro Zinc Coating

• Hot Dip Galvanized – For maximum rust protection

• Zinc-Nickel Coating – High corrosion resistance

• Zinc Flake Coating – Dacromet®, Geomet®

• PTFE Coating – Xylan®, Teflon® for low friction and chemical resistance

• Ceramic Coating – High temperature protection

• Black Phosphate – Anti-rust and light lubrication

• Cadmium Plated – Aerospace-grade corrosion resistance

Key Advantages

• Perfect flush fit for smooth surface applications

• High tensile & shear strength for secure fastening

• Corrosion resistance with multiple coating options

• Manufactured under strict ISO quality control systems

• Available in bulk and custom packaging for export

Applications

• Automotive & Aerospace – Flush mount in body panels and components

• Electrical & Electronics – Enclosures, panels, and precision instruments

• Furniture Manufacturing – Assembly of decorative and functional parts

• Marine & Offshore – Corrosion-prone environments

• Industrial Machinery – Equipment requiring smooth, snag-free surfaces

Export & Packaging

• Packing Options: Bulk in bags, cartons, or wooden crates

• Marking: Size, grade, batch number for traceability

• Shipping: EXW, FOB, CFR, CIF, DDP – via major Indian ports & airports

Why Choose Dipti Metal Industries?

• Over 15 years of manufacturing expertise

• Global supply network in 40+ countries

• Custom sizes, materials, and coatings available

• Competitive pricing & fast delivery