... bolts Diameter: 1mm~12mm Length: 1mm~130mm chrome nut and bolts We can provide screws according to:- ANSI ( ... C: Cheese headO: Oval head H: Hexagon headV: Mushroom head I: Invisible head Slot Type: Slotted, Cross Recess ( Phillips ), Philips/Slot ... etc. Finished: White Zine, Black Zine, Blue Zine, Yellow Zine, Chrome, Nickel, Brass, Trivalent Chromium White Zinc, Trivalent Chrominum Color Zinc ...