5.0 x 40mm Performance Exterior Screws Countersunk - Box of 200

THE BEST HIGH PERFORMANCE EXTERIOR ON THE MARKET

Performance exterior screws are specially designed to used in all external application from fastening black hardware to gates to decking and fencing projects.

Product Features

CUT POINT: The type 17 slash point helps drive the screw through tougher timbers with out the need for pre-drilling.

SERRATED THREAD: To reduce drive torque and the likelihood of the timber splitting when the screw is inserted close to the edge.

SHANK RIBS: On screws from 70mm & longer these reduce drive torque & they also clean the hole when securing two pieces of timber together preventing jacking.

DOUBLE COUNTERSUNK HEAD: This reduces the likelihood of head shear making the screw stronger.

COUNTERSINKING RIBS: Located under the head these aid in countersinking for a neat flush finish.

SUPERIOR COATING: The black ruspert coating gives exceptional corrosion resistance.