Acorn SW-MW15BL250 Metal Building Screws, 1.5, Pkg/250 BESTSELLERS Protects against backflow and back-siphonage

Protects against backflow and back-siphonage

Head Type: Flat

For wood substrates only

1/4-20 x 3"

clear bulbs

Acorn SW-MW15BL250 Metal Building Screws, 1.5, Pkg/250 BESTSELLERS Protects against backflow and back-siphonageHighlights: #9 Gauge 1 4" H Hex type head with Hi Lo type thread Type 17 extra sharp point increases penetration of the metal virtually eliminating the tip of the screw walking across the metal 1 2" neoprene sealing washer provides a moisture resistant barrier when properly installed Plated with top quality dacromate for corrosion resistance Lgth In=1 1 2 Count=250 Finish=Blue WARNING: This product can expose you to chemicals including Nickel