M8 16mm, 20mm, 25mm, 30mm, 40mm. M4 12mm, 16mm, 20mm, 25mm, 30mm, 40mm. M6 10mm, 16mm, 20mm, 25mm, 30mm, 40mm, 50mm. A2 Stainless Steel. M5 10mm, 16mm, 20mm, 25mm, 30mm, 40mm. Wing Bolts :Also known as fully-threaded or machine wing bolts.
eBay