Acorn SW-MW2BN250 Screw, #9 Thread, High-Low, Twin Lead Thread, Hex Drive, Self-Tapping, Brown, 250/BAG Window /door Insulation Model Number: 2540

Model Number: 2540

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

With an impressive 3

Model Number: 0640131

Acorn SW-MW2BN250 Screw, #9 Thread, High-Low, Twin Lead Thread, Hex Drive, Self-Tapping, Brown, 250/BAG Window /door Insulation Model Number: 2540#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