Bright Ring Shank Coil Nails 2.1 x 25mm (Pack 31,500) - Bostitch N203R35Q, Designed for high volume operation, coils contain large quantities of nails meaning that reloading down time can be kept to a minimum. You will find them in the pallet and crate, fencing, garden furniture and the construction industries. All Coil Nails are Round Head nails. Typically: Coils of nails with diameters from 2.0 mm to 2.2 mm contain 350 nails. Coils of nails with diameters from 2.5 mm to 3.1 mm. Contain 225 nails. Roofing nail coils contain 120 nails, due to the extra large diameter of the head. 15° Collation angle Ring shank nails have a series of rings punched into the surface of the shank. A difference in the diameter of the shank is produced making it even more difficult to withdraw the nail. Bright finish is without any form of protection and is the most economical choice, but the nails will start to rust before nails that have a protective treatment. Used in applications where no protect