Allen CSK Screws

Allen CSK Screws – Precision Countersunk Fasteners for Flush Finishing

Category: Screws | Type: Allen (Hex Socket), Countersunk Head | Standard: DIN 7991, ISO 10642
Grades: 8.8, 10.9, 12.9, A2-70, A4-80 | Material: High Tensile Steel, Stainless Steel (304/316), Alloy Steel

Product Description

Allen CSK Screws, also known as Socket Countersunk Head Cap Screws, are designed for high-strength fastening where a flush surface finish is required. These screws feature a hexagonal socket drive and a flat head that sits level with the material surface after installation.

At SM Fasteners, we manufacture precision-machined Allen CSK Screws using advanced threading, heat treatment, and finishing processes. Our offerings include both standard and customized options to meet exact project requirements across various industries.

Applications

Allen CSK Screws are ideal in scenarios where aesthetics, safety, and flush surface finishing are essential:

  • Machine Assembly and Enclosures

  • Automotive Interior and Body Panels

  • Electrical Cabinets and Panels

  • Furniture with Metal-to-Metal Fastening

  • Aerospace Components

  • Architectural Metal Frameworks

  • Robotics and Precision Instruments

 

Technical Specifications

Parameter Details
Type Hex Socket Countersunk Head Screw
Standard DIN 7991, ISO 10642
Material High Tensile Steel, Stainless Steel (A2, A4), Alloy Steel
Grades 8.8, 10.9, 12.9, A2-70, A4-80
Size Range M3 to M20 | 1/8” to 3/4”
Finish Black Oxide, Zinc Plated, Dacromet, Hot-Dip Galvanized
Drive Type Hex Socket (Allen)
Head Type Countersunk (Flat)

Why Choose Our Allen CSK Screws?

Flush Finish for Seamless Surfaces
High-Torque, Vibration-Resistant Holding
Precision-Machined Threads for Exact Fit
Available in Corrosion-Resistant Stainless Steels
Bulk Stock Availability and Custom Lengths

Packaging and Delivery

Our fasteners are packed to ensure maximum protection, traceability, and sorting convenience:

  • Poly-packs with visible size/grade labeling

  • Export cartons with bulk or sorted quantity

  • Wooden pallets for international logistics

  • Custom branded or QR/barcoded packaging available

Industries We Serve

  • Machinery and Automation

  • Aerospace and Aviation Interiors

  • Automotive and Body Fabrication

  • Electrical and Electronic Equipment

  • Furniture and Fixture Manufacturing

  • Marine Hardware Systems

  • Defense and Military Applications

Documents Supplied

Every shipment includes detailed documentation for assurance and compliance:

  • Material Test Certificates (EN 10204 3.1)

  • Dimensional Accuracy Reports

  • RoHS & REACH Compliance (on request)

  • Thread Tolerance & Fit Charts

  • Surface Finish Confirmation Certificates

  • Custom Reports (as per buyer requirement)

 

Request a Quotation

Need top-grade Allen CSK Screws for your project or OEM line? We’re just a message away.

📧 Email: susheel@smfastners.com
📞 Call: +91 8968469570
💬 WhatsApp Chat: Click to Chat


SM Fasteners – Engineered for Fit, Strength, and Finish.

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