Acorn SW-MW2BN250 Screw, #9 Thread, High-Low, Twin Lead Thread, Hex Drive, Self-Tapping, Brown, 250/BAG Window /door Insulation emitters and feeder lines can

emitters and feeder lines can be punched directly into the line or attached to the end

our Pro-Span expansion repair couplings have a patented locking feature that makes the repair process easier

has a spindle lock for easy accessory changes and has an insulated ergonomic handle to help prevent cold hands

Model Number: 2540

Acorn SW-MW2BN250 Screw, #9 Thread, High-Low, Twin Lead Thread, Hex Drive, Self-Tapping, Brown, 250/BAG Window /door Insulation emitters and feeder lines can#9 15 Metal to wood screws are sealing self piercing tapping screws made from heat treated Steel, case hardened for roofing and siding applications. A 1 4 in across flats high hat hex washer head with assembled EPDM washer offers easy driving and conforms to the metal surface for a secure and long lasting seal. The twin lead type 17 point and hi lo threads offer faster drive time and greater resistance to pullout. All screws are 1000 hr salt spray