The standard Semi Tubular Rivet is made of 3 major components with 6 dimensional valuse,all of which are required in order to produce the rivet.1) Body or Shank (Diameter & Length)2) Head (Diameter & Height)3) Hole (Diameter & Depth)Semi Tubular rivets can be used to join two or more pre-drilled or pre-punched components.It is most economically set with an autofeed riveting machine.Use a roll or scored clinch. A roll clinch is stronger. For a uniform appearance, a cap may be used on the clinched end. Rivet Type: Semi Tubular Rivet Head Diameter: 10mm; Head Thickness: 1.4mm; Body Diameter: 5mm; River Length: 6mm Hole Depth to Apex: 3.75mm; Hole Diameter: 3.75mm Material: Stainless Steel Pack Quantity 50-piece UPC 767550610393 ASIN B01LZMAC50 Brand HH FASTENERS Color Silver Size Name M5 x 6mm Part Number TSTR5 Manufacturer HZ Ltd Fastener Type Hollow Material Type Stainless Steel 304 Number Of Items 50 Number of Pieces 50 Screw Head Style Truss