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Self drilling screw

Name: Self drilling screw
Brand: OCTAPRO INDUSTRIES PVT LTD
Price: 1.75 INR
Availability: InStock

Price 1.75 INR/ Piece

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MOQ : 500 Pieces

Self drilling screw Specification

Surface Treatment
Galvanized

Corrosion Protection
Rust Resistant

Material
Carbon Steel

Type
Self Drilling Screw

Quality Level
Industrial Grade

Head Shape Type
Hex Head with Washer

Head Size
6 mm

Screw Size
8 x 50 mm

Finish
Zinc Plated

Point Type
Drill Point (Self Drilling)

Color
Silver

Standard
DIN 7504K

Thread Type
Full Thread

Packing Type
Box

Usage/Application
Sheet Metal, Steel Structures, Roofing

Length
50 mm

Diameter
8 mm

About Self drilling screw

SDHP Hex Head Self Drilling Screw Description

An SDHP Hex Head Self Drilling Screw is a specialized industrial fastener designed for fastening metal sheets and structural components without pre drilling. SDHP usually means Self Drilling High Performance screws used in construction and steel fabrication.

Key Description

An SDHP hex head self drilling screw has the following features

Hexagonal head
Allows tightening using a spanner or socket and provides high torque and strong grip during installation

Self drilling point
A drill like tip that can drill tap and fasten in one operation without needing a pilot hole

Threaded shank
Machine type threads that ensure secure and tight fastening in metal or sheet materials

Washer often EPDM bonded
Provides sealing and distributes load especially useful in roofing work

Material and Finish

Usually made from hardened carbon steel such as C1022 grade or stainless steel
Common coatings include zinc plated Ruspert Dacromet or Xylan
These coatings help provide corrosion resistance and durability in outdoor use

Typical Specifications

Diameter ranges from 4.2 mm to 6.3 mm
Length ranges from 19 mm to 150 mm or more
Drill point types include number 2 number 3 number 4 depending on material thickness
Standards include DIN 7504 K or ISO 15480

Applications

Used in metal roofing sheet fixing
Pre engineered buildings
Steel structures and purlins
Wall cladding and sandwich panels
HVAC ducts and sheet metal work

Advantages

No pre drilling required which saves time and labor
Strong fastening with high load capacity
Resistant to vibration loosening
Suitable for metal to metal or sheet to structure connections
Long service life in outdoor conditions

Reliable Fastening for Challenging Applications

This self drilling screw offers robust performance in sheet metal work, steel structures, and roofing. Its full thread and drill point enable secure, rapid installation without the need for pre-drilling, saving time and labor on the job site.

Durable Construction & Enhanced Protection

Made from carbon steel and finished with zinc plating and galvanization, the screw is rust resistant and suitable for outdoor and industrial use. The corrosion protection ensures a longer lifespan, even in harsh environments.

Convenient Distribution Across India

Available from trusted distributors, suppliers, and traders in India, the screws are packaged in boxes for easy storage and handling. Bulk purchasing enables cost-effective project management for contractors and builders.

FAQ's of Self drilling screw:

Q: How does the self drilling feature benefit sheet metal and steel structure projects?

A: The self drilling point allows direct penetration into metal surfaces without the need for a pilot hole, reducing installation time and eliminating the need for additional drilling tools during assembly.

Q: What type of surfaces can these self drilling screws be used on?

A: These screws are specifically designed for use on sheet metal, steel structures, and roofing panels, offering secure attachment and excellent holding strength.

Q: When should this screw be chosen over traditional fasteners?

A: Choose this self drilling screw in applications where speed, efficiency, and strong metal-to-metal contact are required, such as large-scale steel construction or roofing projects.

Q: Where can I purchase these screws in India?

A: They are available through authorized distributors, suppliers, and traders throughout India, typically supplied in box packaging for bulk and retail requirements.

Q: What is the process for installing these screws?

A: Simply position the screw at the desired location and use a compatible power driver with a hex bit. The drill point tip will pierce through the metal, while the hex head ensures torque application and secure fastening.

Q: What are the main benefits of the zinc plated and galvanized finish?

A: The zinc plating and galvanization provide superior corrosion protection, making the screw suitable for outdoor and industrial applications where rust resistance and durability are vital.

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