uxcell 100 Pcs 2mm x 4mm Aluminum Flat Head Semi-Tubular Rivets Silver Tone M2 x 4mm Size Name:M2 x 4mm 001" Shoulder To Head :

001" Shoulder To Head : 0

The wide end fits max 0

Outer Diameter (D): 15mm

One-piece drill/tap assures proper drill for tap size

the insect puzzle is powered by a metal spring

uxcell 100 Pcs 2mm x 4mm Aluminum Flat Head Semi-Tubular Rivets Silver Tone M2 x 4mm Size Name:M2 x 4mm 001" Shoulder To Head :uxcell 100 Pcs 2mm x 4mm Aluminum Flat Head Semi Tubular Rivets Silver Tone Descriptions: Semi Tubular Rivets (also known as Tubular Rivets) are similar to solid rivets, except they have a partial hole (opposite the head) at the tip. The purpose of this hole is to reduce the amount of force needed for application by rolling the tubular portion outward. The force needed to apply a semi tubular rivet is about 1 4 of the amount needed to apply a solid