10-16 x 3/4 Unslot Hexwasher w/Bonded NEO EPDM Washer Self Drill Screw Full Thread Zinc Bake 5/16-12 The nut has a thin

The nut has a thin height

With a hex head for easy installation and a fully threaded body for maximum holding power

This 1/4-20 x 1/2 6-Lobe Truss Full Contour Machine Screw is made of 18-8 stainless steel and is fully threaded

The square head provides a positive grip when tightening and prevents the bolt from turning

These 5/16" high alloy regular split lock washers are made of AISI 4037 steel and have a zinc yellow finish

10-16 x 3/4 Unslot Hexwasher w/Bonded NEO EPDM Washer Self Drill Screw Full Thread Zinc Bake 5/16-12 The nut has a thinThese 10 16 x 3 4" Unslotted Hex Washer Head Self Drilling Screws with Bonded Neoprene EPDM Washers feature a full thread design and are made of zinc plated steel for corrosion resistance. The hex washer head provides a wide bearing surface for increased torque and the bonded EPDM washer creates a watertight seal to prevent leaks. These screws are ideal for use in metal roofing, siding, and other outdoor applications where a strong, weather resistant