Description:
These are internally threaded and counterbored tubular rivets that can be anchored entirely from one side. With an open end, barrel-shaped flange and protruding boss that is internally threaded, this flat head rivet nut ensures a good performance of fastening. The boss sits within the components being fastened, the flange provides the bearing surface.

Features:
Made from steel or aluminum, these rivet nuts provide strength, corrosion protection and long service life.
With open end, small flange, round hole, threaded inner wall and partial anti-skid surface, this flat head rivet nut has a good performance as fastener.
Convenient to install, designed to form a bulge on the back side of the panel as a screw is tightened in its threads.
There are many different sizes from M3 to M8 in different quantity that you can use as needed for various purposes.
This set includes many pieces of rivet nuts so you don't have to go to hardware store searching rivet nuts for a while.
Comes with a hand riveting tool and an box for convenient use and storage.

Specifications:
Main Material: Steel and aluminum alloy
Color: As pictures show
Riveting Tool Size: 27 x 17.7 x 1.2cm / 10.63 x 6.96 x 0.47"
Box Size: 31.5 x 16.5 x 13cm / 12.4 x 6.49 x 5.11"

Package Includes:
220 x M3 Steel Ribbed Rivet Nuts
50 x M4 Aluminum Ribbed Rivet Nuts
170 x M4 Steel Ribbed Rivet Nuts
50 x M5 Aluminum Ribbed Rivet Nuts
170 x M5 Steel Ribbed Rivet Nuts
50 x M6 Aluminum Ribbed Rivet Nuts
170 x M6 Steel Ribbed Rivet Nuts
170 x M8 Aluminum Ribbed Rivet Nuts
5 x Mandrels M3, M4, M5, M6, M8
5 x Nut M3, M4, M5, M6, M8
1 x Hand Riveting Tool Gun
1 x Tool Holder
1 x Tool Box with Tray and Organizers
1 x User Manual