Acorn SW-MW3G250 Screw, #9 Thread, Self-Tapping, 250/BAG, High-Low, Twin Lead Thread, Hex Drive Tube Tees Variable pulleys must be opened

Variable pulleys must be opened 2-1/2 to 5 full turns

Unique dispenser with every roll

Ideal for household cleaning tasks

3/8 in NSPM male thread

Acorn SW-MW3G250 Screw, #9 Thread, Self-Tapping, 250/BAG, High-Low, Twin Lead Thread, Hex Drive Tube Tees Variable pulleys must be opened#9 15 Metal to wood screws are sealing self piercing tapping screws made from heat treated C1022 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