500x Button Head Allen Bolts Hex Socket Screws Nuts Kit M3 M4 M5 Stainless Steel

Size: M3, M4, M5. Pitch：0.5mm （M3） / 0.7mm （M4） / 0.8mm （M5）. 20Pcs M4 x 8mm Screws. 20Pcs M4 x 12mm Screws. 20Pcs M4 x 16mm Screws. 20Pcs M4 x 20mm Screws. 80Pcs M4 Nuts. A2 Stainless Steel Button Head Hex Screws Assorted Socket Bolts Nuts Kit 500pcs.

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