4-40 x 1/2 MS51957, NAS-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR DPRWDPT providing a strong grip on

providing a strong grip on materials

These 10-16 x 2" Unslot Hex Washer Head Self Drilling Screws with Bonded Neoprene EPDM Washer are designed for use in metal roofing and siding applications

The zinc bake coating provides corrosion resistance

It features a 5-40 coarse thread

withstanding up to 1000 hours of salt spray testing

4-40 x 1/2 MS51957, NAS-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR DPRWDPT providing a strong grip on**4 40 x 1 2 MS51957, NAS 1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S S DFAR** This machine screw is made of 300 series stainless steel, which provides excellent corrosion resistance. It has a coarse thread and a full thread length, which provides a secure hold in a variety of applications. The Phil pan head has a rounded top and a slotted drive, which allows for easy installation and removal. The screw meets the specifications of