Oval & Truss Head Standards
National Rivet & Manufacturing is one of America’s leading suppliers of aircraft rivets and other kinds of aerospace fasteners.
Product Specs
When length is more than 8 times the body diameter more length tolerance is needed. (All dimensions shown in inches.)
National Rivet Part Numbers
Part No. C1-10-ST: C1=Rivet Style (with straight hole), 10 = length in 32nds (10/32 or 5/16 long), ST=semi-tubular.
Part No. TC1-10-ST: The prefix “T” before the style No. (C1) indicates rivet with taper hole.
Note: Aluminum, stainless, and brass rivets should normally be specified with taper holes.
Taper Hole
Straight Hole
Determining Length and Diameter
Example: To determine the length of a 1/8″ diameter (C1 style) rivet for two parts each of which are .093″ thick.
- Total work thickness (2x.093″) . . . . . . .186
- Clinch allowance (for C1) . . . . . . . . .074
- Total . . . . . . . . . . . . . . . . . . . . . . . . . . .260
- Rivet length (nearest fraction) = .265 17/64″
Note: Variations in materials or conditions of assembly may require deviations from the above. To be sure, submit sample parts for test assembly.
Other Popular Head Styles
Flat Countersunk
Flat Chamfered Countersunk
Universal
