🔩 Allen Grub Screw (Socket Set Screw) – Headless Internal Hex Fastener | Neo Fasteners
Neo Fasteners supplies premium-quality Allen Grub Screws, also known as Socket Set Screws, designed for precision fastening where a headless, internal-drive screw is required. These screws feature a hex socket drive with no external head, allowing them to be fully embedded inside tapped holes for a flush or concealed finish.
Commonly used in gear assemblies, shafts, pulleys, collars, couplings, machine tools, and electronics, our grub screws are available in various point types, materials, and thread sizes.
🔧 Key Features
- Headless Design: Sits flush or below the surface for clean finish
- Internal Hex Socket: Compatible with Allen keys for easy installation
- High Holding Power: Excellent for securing components against rotation or movement
- Available in Multiple Point Types: Cup Point, Flat Point, Cone Point, Dog Point
- Ideal for Precision Mechanical Assemblies
📐 Technical Specifications
- Thread Sizes: M3 to M20 (Metric) | #4 to 3/4" (Inch)
- Length Range: 3 mm to 100 mm
- Thread Type: Metric (MM), UNC, UNF, BSW
- Threading: Fully threaded
- Drive Type: Internal Hex (Allen)
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Point Types:
- Cup Point (DIN 916)
- Flat Point (DIN 913)
- Cone Point (DIN 914)
- Dog Point (DIN 915)
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Standards:
- DIN 913 / 914 / 915 / 916
- ISO 4026 to ISO 4029
- ANSI B18.3
🧱 Material Options
- Alloy Steel – Grade 10.9 / 12.9 (hardened & tempered)
- Stainless Steel – SS 202 / SS 304 / SS 316
- Mild Steel (MS)
- Brass (for decorative or corrosion-sensitive applications)
- Nylon or Polymer (on request)
🎨 Finish Options
- Black Oxide (standard for alloy steel)
- Zinc Plated (White / Yellow / Blue)
- Nickel / Chrome Plated
- Hot Dip Galvanized (HDG – for special sizes)
- Geomet / Dacromet
- Passivated (for stainless steel)
- Self Color
🏗️ Applications
- Shaft locking in motors & gearboxes
- Securing collars, pulleys, couplings
- Electronics and PCB mounting
- Molds, dies, and jigs
- Furniture and concealed fastenings
- Automation equipment & precision fixtures
- Model building and robotics
📦 Packaging & Delivery
- Supplied in plastic boxes, jars, or industrial cartons
- Custom labels, logos, and barcode options for OEMs
- Ready stock in standard sizes
- Material Test Certificate (MTC) and RoHS Compliance available
- Fast delivery across India & global export support
📞 Contact Us
📧 Email: neofasteners@yahoo.com
📞 Call/WhatsApp: +91-96328 07665
🌐 Website:
🔗 neofasteners.com (Google Site)
📍 Location: Bengaluru, Karnataka, India