M8 x 1.25mm pitch. M10 x 1.50mm pitch. M6 x 1.00mm pitch. A4 / 316 Marine Grade stainless steel. M5 x 0.80mm pitch. Button Head Bolts, Allen Head Screws. M4 x 0.70mm pitch. (So if you order 20mm for example then the thread length will be 20mm and the head is extra. ).
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