Solid Pure Copper Allen Screws Hex Head Bolts DIN933 M3 M4 M5 M6 M8 M10 M12 M16 $11.52 Size M3 x 6mm QTY 10pcs Brand Unbranded Screw Size select Grade C11000 Type Hex Bolts Head Style Hex Head Drive Style Hex-Key Material Copper System of Measurement Metric Thread Size M4x0.7, M5x0.8, M6x1.0, M8x1.25, M10x1.5, M12x1.75, M16x2.0 Item Length select Model DIN933 condition New 99.9% Pure Copper Cu Allen Screw Hex Head Bolt DIN933 M5 M6 M8 M10 M12 M16 M20 Material: Pure Copper M4x0.7 M5x0.8 M6x1.0 M8x1.25 M10x1.5 M12x1.75 M16x2.0 M20x2.5