Haiyan Boomshine Import&Export Co.,Ltd. 

 Surface treatment: yellow zinc plated  blue zinc plated...
 Head  type: 1.pan  2.bugle  3.wafer 4. pan praming
Thread  type: 1.coarse  2.fine
 Drive: Philips 
Package specification: 100/pcs/carton/case   0.5kg/box   1kg/box    2.5kg/box   5kg /box   10kg /box(carton)  20kg /box(carton) 25kg /carton 1000kg or according to customer request
Payment items: 30% prepayment,the balance before loading the goods
Delivery time:within 30 days after get your prepayment,or according to your quantity.