Description
Overview:
The Sealey Self Drilling Screw 4.2 x 19mm Hex Head Zinc (DIN 7504K) is a metal-to-metal fixing designed for quick, reliable installations without a separate pilot hole. Made from steel with a zinc-plated finish, it offers dependable corrosion resistance for indoor and outdoor use. The hex head provides positive drive and high torque transfer using a suitable nut driver or socket, helping achieve a tight, secure clamp. Sized at 4.2mm diameter and 19mm length, it is a practical choice for sheet metal, light fabrication, roofing and cladding work, and general maintenance on machinery, plant, and site equipment. Supplied as a pack of 100 for consistent coverage across small projects and routine repairs, and packed for easy storage and handling.
Key Features:
- 4.2mm diameter x 19mm length for common sheet-metal fastening tasks
- Self-drilling tip removes the need for a pilot hole in many applications
- Hex head drive offers strong engagement and reduced cam-out
- Zinc-plated steel for good corrosion resistance and durable service life
- Conforms to DIN 7504K for consistent quality and performance
- Sharp drill point for smooth starting and clean penetration in thin metals
- Coarse thread form designed for firm grip in steel sheet and sections
- Time-saving installation with power drill, impact driver, or hand driver
- Even, bright zinc finish for a neat appearance on visible fixings
- Supplied in a pack of 100 and stored in a resealable bag for convenience
Typical Applications:
Fixing sheet metal to steel sections, purlins, and brackets; roofing and cladding panels; HVAC ducting and trunking; cable trays and containment; vehicle bodywork and trailer repairs; machinery guards and enclosures; agricultural and garden equipment panels; site cabins, sheds, and light fabrication tasks.
Also known as:
Tek screws, self-tappers, drill-tip screws, hex tek bolts, hex head self-drillers, metal roofing screws, self-drilling hex screws, steel sheet fasteners.
Product Specifications
| L&S Part No. | SEASDHX4219 |
|---|---|
| Key Features | - 4.2mm diameter x 19mm length for sheet-metal fastening - Self-drilling tip eliminates need for pilot hole - Hex head drive ensures strong engagement - Zinc-plated steel offers corrosion resistance - Supplied in a pack of 100 for convenience |
