Plastic colourful bolt and nut for children toy application. See enclosed a picture. (It is not necessary that the bolts and nuts required will be exactly the same as in the picutre) Specifications: · Nut and bolt head 25-40mm diameter (Hexagon shape preferred) · Nut and bolt head depth 10-20mm · Thread shaft length 40mm ( it will be fixing sheets of PP plastic material with total thickness of between 8mm and 12mm.) · Overall length of bolt (including 20mm bolt head) 60mm · Diameter of hole through which thread shaft must pass 15-20mm · Level of tightness or fixing required is low. · Colorful plastic color preferred · Minimum number of turns to tighten Total order: 230000pcs nut and bolt units. Please firstly send some samples.