Description
M1.6, M2, M2.5, M3 Metric Coarse Thread Hex Socket Countersunk Screws Allen Socket Flat Head Bolts Machine Screws, DIN 7991 Nickel Plated Grade 10.9 Steel High-quality materials, environmentally friendly, safe and reliable , durable and long life . Excellent craftsmanship, Smooth without burrs, quick and simple use. ● System of Measurement: Metric ● Standard: GB /T 70.3 ( ISO 10642 ) ( DIN 7991 ) ● Drive Style: Hex-key ● Material: Carbon Steel ● Grade 10.9 ● Finish: Nickel Plated ● Head Style: Countersunk Head Flat Head ● Coarse Thread ● Thread Size: M1.6, M2, M2.5 , M3 ● Length: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 25 mm, 28 mm, 35 mm ( Including head length.)