HVAC Screw #8 x1/2" HHWF -1/4" Drive 1000 pack
201.812100 - UNSPSC 31161506
|The sharp point provides positive, fast starts in sheet metal.
|The fine thread up the shank rolls the material back instead of cutting chips that corrode quickly and cause a rattle in ductwork where vibration is present.
|The rolled material creates a larger bearing surface creating a more positive hold.
|The fine thread also provides better clamping forces on thinner materials.
|Heat-treated to provide a hardened, sharp point and excellent thread cutting capabilities.
|The washer face has anti-backing serrations to keep it in place in harsh, vibratory conditions.
Benefits & Advantage
No pre drilling is necessary as the combination of a heat-treated, sharp point and aggressive starting threads with fine thread up the shank provides a positive threading and chip free hole.
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