FS280 Hobson Class 4 Metal SDS Hex Head Screw with Washer #10-16 x 25mm
The FS280 Hobson Metal SDS Hex Head Screw with Washer is a Class 4 self-drilling screw designed for fastening metal in roofing, cladding, HVAC-R, duct and general trade applications.
Built for practical installation work, this #10-16 x 25mm screw features a self-drilling point for efficient metal fixing and a hex head for strong drive engagement. The integrated washer helps provide a broader bearing surface and improved sealing support, while the Class 4 finish suits external and exposed applications where corrosion resistance is required.
Key Features
Hobson metal self-drilling screw
QFind reference FS280
Stock code FST9PM4SH1016025
#10-16 screw size
25mm length
Hex head with washer
5/16" hex drive
Self-drilling metal SDS design
Class 4 finish
AS3566 specification
Suitable for metal fastening applications
Practical for HVAC-R, roofing, cladding, duct and general trade work
Specifications
| Specification | Details |
|---|
| QFind / Product Code | FS280 |
| Hobson Stock Code | FST9PM4SH1016025 |
| Product Type | Metal SDS Hex Head + Washer |
| Description | CL4 MET SEAL HX: 10-16 x 25 |
| Finish | Class 4 |
| Size | #10-16 |
| Length / Dimension | 25mm |
| Drive Type | 5/16" Hex |
| Head Type | Hex Head with Washer |
| Screw Type | Metal SDS / Self-Drilling Screw |
| Specification / Reference | AS3566 |
| Recommended Category | Metal Self Drilling Screws |
| Application | Metal fastening for trade and building services work |
Applications
HVAC-R bracket and support fixing
Sheet metal fastening
Ductwork installation
Roofing and cladding fixing
Flashing and metal trim installation
General metal-to-metal fastening
Building services installation
External construction and maintenance work
The FS280 Hobson Class 4 Metal SDS Hex Head Screw with Washer is a practical trade fixing for installers needing a 25mm self-drilling metal screw with a washer and external-grade corrosion resistance.