They are Coarse Thread.Screws Thread:M2-0.4mm;M2.5-0.45;M3-0.5mm;M4-0.7mm;M5-0.8mm;M6-1.0mm;M8-1.25mm
Made of 304 stainless steel;304 stainless steel screws are chemical resistant and may be mildly magnetic
Screws have Different Length:M2(6mm,10mm);M2.5(8mm,16mm);M3(10mm,16mm,20mm);M4(16mm,20mm);M5(16mm,20mm); M6(16mm,20mm);M8(20mm);Length is measured from under the head
High Quality Metric M2 M2.5 M3 M4 M5 M6 M8 Knurl Hex Socket Head Cap Screws Assortment Kit
The Socket Head Cap Screws Meets DIN912 Specifications;All contained in a compact and see through compartmented plastic Box.Easy to install and durable to use