Use and selection
This trailer-series type is identified by a flat head and drill point. Include the head drawing with the receiving surface and surrounding clearance when matching it to a connection. Use the catalogue diameter and length ranges with the required head dimensions and the particular connection specification.
Catalogue size reference
| Nominal diameter | Length range / mm |
|---|---|
| M3.5 | 13-75 |
| M3.9 | 13-75 |
| M4.2 | 13-125 |
| M4.8 | 13-150 |
| M5.5 | 13-230 |
| M6.3 | 16-100 |
Length ranges are shown in millimetres. Confirm the exact dimensions, finish and availability when enquiring.
Compare the configuration
Flat Head Self Drilling Screw with Under-Head Serrations explicitly names under-head serrations. Modified Truss Head Self Drilling Screw – Trailer Series is the trailer-series modified-truss-head alternative. The head profile and seating requirements are the relevant distinctions to resolve before selecting a version.
For your enquiry
- What head profile, seating surface and clearance are required?
- Which materials and individual thicknesses form the connection?
- What exact diameter, length, drive and finish should be checked?
