4-8S Binder Rivet - .143" Body Dia. X 8/16" Length, 150° COUNTERSUNK Steel (Tubular Rivet), Nickel Finish, Pack of 250 Pieces: Amazon.com: Industrial & Scientific
Business Source Standard View Round Ring Binders - 1 1/2" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 350 Sheet Capacity - 3 x Round Ring Fastener(s) -
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Belt Rivets Chicago Binding Barrels and Screws Studs Nail Book Brass-Plated M5.6 | eBay
RIVET BINDER COPPER 8 GAUGE (3.58mm) 20MM PER 1000
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Screw Nail Binding Rivet Copper | 6 Ring Binder Screws | Binding Ring Binder - Album - Aliexpress
Screw Nail Binding Rivet Copper | 6 Ring Binder Screws | Binding Ring Binder - Album - Aliexpress