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| Metal Screws Zenith self-drilling metal screws have a hardened drill point that will drill and thread in structural steel and mild steel. These metal drill points are designed in a manner much the same as a high speed drill bit. Zenith metal screws are available in a variety of finishes with unique product features to suit a wide range of environmental conditions. | |
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Selection Guide | | Wafer Head For jobs needing a low profile head, e.g., metal deck clips, electrical fittings, signs, sheet metal, etc. |  | Bugle Head For fixing of plasterboard to metal |  | | Button Head For jobs needing a broad flat head, e.g., foil sarking and insulation panels, fascia bracket clips to rafters, conduit clips to steel, etc. |  | Countersunk Head For jobs needing a flush finish, e.g., fencing, gates, hinges, etc. |  | | Countersunk Rib Head For fixing pre-drilled board, e.g., panelling, lining board, etc. |  | Pan Head For General Fixings, e.g., brackets, fixings, etc. |  | Self Embedding Head
For General Fixings to metal, e.g., lining boards, fascias, panelling, etc. |  | Hexagon Head with Seal For fixing roofing profiles and wall cladding to steel purlins |  | | Hexagon Head - No Seal For fixing metal to metal, e.g., fences, signs, fixings, trailers, etc. |  | | |
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How to use | How to use Zenith Metal Screws: - Measure the total thickness of the materials to be drilled.
- Choose a screw that has a drilling capacity equal to or greater than the total thickness of materials to be drilled.
- Determine the best head style for the intended application.
- Choose a screw long enough to allow at least three threads to protrude beyond the metal being fastened to.
- Select the correct driver for the screw being used.
- Fit driver to a power screwdriver set to HIGH (approx. 2500rpm).
- Put screw onto driver and place at fastening position.
- Push sharply on screwdriver to create a starting point.
- Squeeze screwdriver trigger and maintain firm end pressure until screw has drilled and fastened.
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