IFI Revises Sell-Drilling & Thread Rolling Screw Standards

Jason Sandefur

The Industrial Fasteners Institute released new standards for self-drilling and thread rolling screws.\
IFI-113 Self-drilling tapping screws (inch) and IFI-504 self-drilling screws (metric) were last updated in 1997. The revisions provide more complete descriptions of test procedures, eliminate some out-of-date content and add test procedures for evaluation of screws for construction applications that must drill through thicker materials than those used in automotive and light sheet metal applications.
The inch version of IFI-112 high performance thread rolling screws was last issued in 1970 and the metric version in IFI-503 was revised in 1997. “These standards now recognize a wider range of screw designs than the previous revisions,” IFI engineering technology director Joe Greenslade explained. Some obsolete test procedures are eliminated and the explanation of test procedures is clearer in the revisions. Both the inch and metric standards cover case hardened screws and through hardened screws with zone-hardened points.
Greenslade recommended suppliers add the revised standards to their library.
Copies of the standards can be purchased online at indfast.org for $20 each.
The IFI is an association of North American manufacturers of bolts, nuts, screws, rivets, pins, washers and custom formed parts, with suppliers of materials, machinery, equipment and engineered services as associate members. Currently there are 80 members and 35 associate members. Tel: 216 241-1482 Fax 216 241-5901 Web: indfast.org �2007 FastenerNews.com