Stainless Steel Phillips Truss Head Sheet Metal Screws
What are Phillips truss head sheet metal screws? Phillips truss head sheet metal screws are stainless screws with a wide, low-profile rounded head, a Phillips drive, and sharp threads that bite thin material, spreading bearing load over a large area. Made from stainless, they resist rust in wet and outdoor sheet work and hold well in thin or slotted material.
Why a truss head grips thin material
The truss head is wider and lower than a pan head, so it spreads clamping force over a bigger footprint. That extra bearing area resists pull-through in thin sheet, soft material, and oversized or slotted holes where a smaller head would sink or tear out. The low dome keeps it from snagging. Drill a pilot so the sharp threads bite cleanly. Stainless resists rust on the broad exposed head outdoors, with 316 for coastal exposure.
Why choose Phillips truss head sheet metal screws
- Wide bearing: spreads load to resist pull-through in thin material.
- Low profile: broad, shallow dome that resists snagging.
- Slot-friendly: covers oversized and slotted holes.
- Corrosion resistance: resists rust in wet and outdoor use.
Common applications for Phillips truss head sheet metal screws
- Thin sheet metal and soft panels
- Slotted or oversized holes
- Sign, trim, and cover attachment
- Marine and outdoor sheet work (use 316)
For a standard on-surface head, see stainless pan head sheet metal screws, and browse every head on the main sheet metal screws category.
Phillips Truss Head Sheet Metal Screws FAQ
When should I use a truss head instead of a pan head?
Use a truss head when you need a wider bearing surface to resist pull-through in thin, soft, or slotted material.
Is a truss head the same as a mushroom head?
They are similar wide, low-profile heads. Truss is the common sheet metal term for this broad, shallow-domed style.
Should I use 18-8 or 316?
18-8 suits most outdoor sheet work. For coastal and marine exposure, choose 316 for the best corrosion resistance.