HILLMAN 1/4 Sizes X 1-1/2 in. L Hex Hex Washer Head Self-Drilling Screws 100 pk PERSONAL PROTECTION EQUIPMENT square-wire spring provides superior grounding

square-wire spring provides superior grounding connections

juicy orange

wear-resistance

strong suction on hard floors

10:1 thrust ratio

HILLMAN 1/4 Sizes X 1-1/2 in. L Hex Hex Washer Head Self-Drilling Screws 100 pk PERSONAL PROTECTION EQUIPMENT square-wire spring provides superior groundingSelf Drilling screws are specifically designed to fasten metal sheeting with out drilling and have self tapping threads to provide a stronger grip to your surface. These drill into the roof to remove material and have a neoprene washer provide a water tight seal. These screws have a ceramic finish that is corrosion resistant and recommended for use for treated woods. * Neoprene Washer for water proofing Self piercing screw for metal and wood