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Ganter Standard Elements Mini Grid – Snap-in Pin Stainless Steel Grommets/GN 822.7/Bolt Diameter 4 mm/Pack of 2, GN 822.7-4-M8-C: Amazon.com: Industrial & Scientific
Amazon.com: 520Pcs 304 M3 M4 M5 M6 Stainless Steel Bolts Nuts Washers Kit, Hex Socket Head Cap Screws Assortment Set Kit with Storage Box (520 Pcs Hex Button Head Cap Screws Nuts) :
VIGRUE Hex Allen Head Socket Set Screws Grub Screw Bolts Assortment Kit, Carbon Steel Internal Hex Drive Cup-Point Screws with Hex Wrenches (M2.5/M3/M4/M5/M6/M8): Amazon.com: Industrial & Scientific
FOLIV 270PCS M6 x 12/14/16/20/25/30mm Bolts, Button Head Hex Socket Cap Screws Bolts Assortment Kit, Black Oxide Finish, Full Machine Thread: Amazon.com: Industrial & Scientific