Overview
The Lawson 84291 is a #12 x 1-1/4″ sheet metal screw with slotted hex washer head configuration. This fastener combines a traditional hex washer head with a single-slot drive, making it suitable for applications requiring both holding capacity and ease of installation. The Type A thread design provides reliable engagement in sheet metal and light structural applications.
Key Features
- Thread diameter: #12 (0.216″)
- Length: 1-1/4 inches
- Head style: Slotted hex washer head
- Type A thread for sheet metal fastening
- Steel construction with zinc finish for corrosion resistance
- Box of 47 pieces per unit
Technical Specifications
The Lawson 84291 utilizes a Type A thread pattern optimized for sheet metal penetration without pre-drilling in many applications. The hex washer head distributes load across a wider surface area, reducing the risk of fastener pull-through. The slotted drive accommodates standard flat-blade screwdrivers for manual or powered installation.
Typical Applications
- Sheet metal assembly and fabrication
- HVAC ductwork and components
- Electrical cabinet enclosure fastening
- Light structural sheet metal connections
- Equipment mounting and bracket installation
Compatibility & Replacements
Compatible With
- Standard #12 sheet metal screw holes
- Steel and aluminum sheet materials
- Manual and powered screwdrivers with flat-blade tips
- HVAC and electrical equipment assembly systems
Replaces / Drop-In Replacement For
Verify compatibility with your specific assembly requirements or system integrator before ordering. Lawson 84291 is suitable for any application calling for #12 x 1-1/4″ slotted hex washer head sheet metal screws.
Works With
- Standard flat-blade screwdrivers
- Power drill-drivers with slotted-head bits
- Manual and pneumatic fastening tools
- Industrial sheet metal assembly processes
