... 3> Size:M2-M20* L 4> MOQ:100psc Titanium pan head drilling screw1. Specification1> Standard : ASTMB347, ASTMF67, ASTM F136, DIN 912 ... field, Aeros pace or Military, Petroleum chemical industry, Car, Bicycle, Motor vehicle manufacturing, High corrosive environment, etc.. 3. Strengths :1>High ... .4. Related Products :We also manufacture self -tapping screw, hexagonal head screw, etc..