Thread pitch : 0.25mm(M1) / 0.25mm(M1.2) / 0.3mm(M1.4) / 0.35mm(M1.6) / 0.4mm(M2). Head style : Pan Head. Material : 304 Stainless Steel. which leads to the actual price may be more expensive or cheaper than the price in the link, hope you can understand.
