Screw Products HDB104-5 Star Drive Heavy Duty Exterior Screw, 10" x 4" Household as they minimize the dirt

as they minimize the dirt and water that can enter into the boiler fuel system

100 Lumens per Watt

more reliable life

1-13/16" overall length

Screw Products HDB104-5 Star Drive Heavy Duty Exterior Screw, 10" x 4" Household as they minimize the dirtHighlights: Size: 10" x 4" Star drive offers twice the torque over phillips or square drive screws True flat head with self countersinking nibs and drag reducing knurled shoulder Type 17 notched extra sharp point reduces the need for pre drilling Tiny cuts on the threads reduces the torque needed to drive the fastener Bronze star exterior coating compatible with pressure treated lumber and can be used with tannic wood such as cedar and redwood