About this item

• Allen Hex Drive Size: 4mm Metric
• Screw Length: 25mm, 30mm, 35mm (excluding the height of the head); Thread Coverage: Full Thread;
• Diameter of the head: 10.5mm (dk, max); Height of the head: 3.3mm (k, max)
• Thread Pitch: 1.0mm; Exterior Finish: Black Oxide; Color: Black
• The high quality 10.9 grade alloy steel provide perfect strength and good corrosion resistance. Button head style make it ideal use in confined areas and offer clear looking.