SIZE	HEAD	BOX	CARTON	US$/1000PCS
5x25	countersunk head
5x30	countersunk head
5x40	countersunk head
5x50	countersunk head
6x40	countersunk head
6x60	countersunk head
6x80	countersunk head
8x60	countersunk head
8x80	countersunk head
8x100	countersunk head
8x120	countersunk head
8x140	countersunk head