M1.6.
RC Screws M4 (4mm x 10mm) Pozi Pan Head Machine Screws - A2 Stainless Steel (Pack of 20)
M2 (2mmØ) SLOTTED PAN HEAD MACHINE SCREWS A2 STAINLESS STEEL METRIC SLOT BOLTS
M2 (2mmØ) POZI PAN HEAD MACHINE SCREWS POZI DRIVE BOLTS A2 STAINLESS STEEL,KAY'S
M4 (4mm x 18mm) Pozi Pan Head Machine Screws - A2 Grade Stainless Steel (Pack of 20)
M3 M4 M5mm SLOTTED PAN HEAD MACHINE SCREWS A2 STAINLESS STEEL SLOT BOLTS
M6 (6mmØ) SLOTTED PAN HEAD MACHINE SCREWS A2 STAINLESS STEEL SLOT BOLTS METRIC