Spanner sizes: M2 = 4mm. M2.5 = 5mm. M2 x 0.4mm pitch. M2.5 x 0.45mm. A2 STAINLESS STEEL HEXAGON HEAD SET SCREW BOLTS FULLY THREADED. Stainless Steel A2 (304), DIN 933. Manufactured from A2 Stainless Steel For Improved Corrosion Resistance.
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