Self- Tapping ScrewsExplore further
2004-5-21u2002·u2002Self-Tapping Screws Schematic Head Style Description Applications Advantages Bugle A countersunk head with a flat top surface and a concave underhead bearing surface. Designed specifically for use in drywall. Distributes bearing stress over a wider area than flat heads. Pan Slotted pan heads have a flat or gently rounded top
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