DIN7504K Pan Head Zinc Plated Self-Drilling Metal Screw

Product Introduction

The Pan Head Self-Drilling Screw provides a robust and efficient fastening solution for directly attaching materials to light-gauge metal framing. It features a hardened self-drilling point and sharp, spaced threads that drill and fasten in a single operation, eliminating pre-drilling and saving significant on-site labor. The non-countersunk pan head design offers a broad bearing surface that sits atop the material, distributing load effectively and preventing pull-through. Manufactured from high-carbon steel with a corrosion-resistant coating, it ensures durable performance. Ideal for securing thinner gauge materials, electrical components, or fixtures to metal studs and channels in both commercial and industrial projects, this pan head self drilling screw combines speed with reliable holding strength.

Product Specifications

Material: Carbon Steel (Grade C1022A equivalent), case-hardened for point durability.
Finish / Coating: Standard Zinc Plated or Black Phosphate. Optional hot-dip galvanized or other enhanced coatings are available.
Corrosion Resistance: Standard coatings provide protection for typical interior and sheltered applications.
Head Style: Pan Head with a flat underside and low dome profile.
Drive Type: Phillips #2, Pozidriv #2, or Hex Washer Head for direct drive options.
Drill Point Style: Fine, hardened point (Style 1 or 2) optimized for light-gauge steel (typically up to 20-ga. to 14-ga.).
Thread Type: Sharp, spaced thread for fast driving and secure fastening.
Shank: Fully threaded.
Standard Diameters: #6, #8, #10 (approximate metric: 3.5mm, 4.2mm, 4.8mm).
Standard Lengths: Common lengths range from 1/2" (13mm) to 2" (50mm). Custom lengths are available.
Standards: Manufactured to comply with relevant industry specifications for fastening to metal substrates.

Key Features & Benefits

Engineered for Integrated Drilling & Fastening
The pan head self drilling screw is designed with a hardened, self-penetrating point that eliminates the separate step of pre-drilling in light-gauge metal. This single-step operation significantly reduces installation time and associated labor costs, streamlining the assembly process from start to finish.

Designed for Surface Mounting & Load Distribution
The defining pan head provides a flat bearing surface that rests on top of the attached material. This design is ideal for applications where a flush countersink is not required or desired, and it effectively distributes clamping force to prevent damage to softer or thinner materials.

Built for Driving Speed and Secure Retention
Featuring sharp, aggressive threads, this screw drives quickly into metal framing while developing strong resistance to pull-out forces. Combined with a positive-drive recess, it ensures efficient torque transfer and reduces the risk of cam-out during installation.

Constructed for Durability and Corrosion Resistance
Made from hardened carbon steel and finished with a protective coating, the pan head self drilling screw is built to resist corrosion and maintain its mechanical integrity. This ensures reliable long-term performance in the installed application.

Typical Applications

Electrical & Fixture Mounting to Metal Framing: The pan head self drilling screw is commonly used to secure electrical boxes, conduit straps, lighting fixtures, and other hardware directly to steel studs or channels, where its surface-mount head style is advantageous.

Attachment of Thin-Gauge Metal or Composite Panels: Ideal for fastening signage, access panels, trim, or thinner metal sheets to a structural metal frame, as the pan head helps prevent distortion or tearing of the fastened material.

HVAC Ductwork & Mechanical Support Installation: Suitable for assembling and hanging lighter gauge duct sections, brackets, and supports within metal framing systems, facilitating quick installation without pre-drilled holes.

General Industrial Assembly to Metal Substrates: Serves as a versatile fastener in manufacturing, maintenance, and repair for attaching various components to metal bases, offering a combination of drilling capability and strong mechanical fastening.

Why Choose Our Pan Head Self-Drilling  Screws?

Guaranteed Process Efficiency
The fundamental advantage of the pan head self drilling screw is its ability to combine drilling and fastening, which removes a time-consuming step from the workflow. This leads to faster project completion and lower installed costs, making it a highly efficient choice for high-volume or time-sensitive jobs.

Reliable Surface Fastening Performance
The pan head design is specifically engineered for applications where the fastener head remains visible or where a flush finish is not necessary. It provides a secure, stable connection that is easy to inspect and, if needed, remove without damaging the primary material.

Consistent Quality for Predictable Results
Every pan head self drilling screw is produced under stringent quality controls to ensure uniform dimensions, hardness, and coating thickness. This consistency translates to reliable performance on the job site, minimizing issues like driver slippage or point breakage.

Adaptable to Various Project Requirements
With options in drive type, length, diameter, and coating, this pan head self drilling screw can be specified to meet the precise needs of diverse applications, from basic interior framing to more demanding environments requiring enhanced corrosion protection.

Commitment to Quality & Service
Our Pan Head Self-Drilling Screws are manufactured under a certified quality management system to ensure they meet precise performance and durability standards. We are committed to providing not just a product, but a reliable fastening solution backed by expert technical support. For detailed specifications, volume pricing, or application engineering assistance, please contact our sales and engineering team.