Cross slotted mushroom head screw refer following details CMB_00448 MAT: STEEL ISO 898-1 CLASS 4.8 SURF: ELECTROPLATED ZN DIN 267-9/ISO TYPE A1(CR+6 FREE) (EXAMPLE A1B) Dimensions: P: 1 dk: 14 k: 4.2 n: 1.7 L: 10 Quantity required: 6000 nos. Contact the company for further information regarding packaging and labelling