Dear Sir Madam,I want to buy Galvanize Slotted Cheese Head Tapping Screw, I want to buy from the manufacturer.This is the size of the tapping screw that i need.(1) 10 x 1-1 2(2) 10 x 1 2(3) 10 x 5 8Quote your bottom price for the screws. How do you sale your screws, do you sale per ton or by pieces??I am waiting for your reply.RegardsMr. Clinton Show More...