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Phillips Self Drilling Screws

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Special Pan & Wafer Phillips Steel Self Drilling Screws

Case Hardened to Rockwell C50 - 56 (Core Hardness: Rockwell C32 - 40)
Framing Screw has a Black Phosphate Finish; Reamer is Zinc Plated

Phillips Trim Head Self Drilling Screws

For attaching base board or trim through drywall into metal studs
Case Hardened to Vickers HV 550-800 (Core Hardness: Vickers HV 270-450)
Steel Zinc Plated

Wafer Phillips Self Drilling Screws

Self Drilling Screws / Spaced Thread
For attaching cement board to 14-20 gauge metal studs
Case Hardened to Vickers HV 450-800 (Core Hardness: Vickers HV 290-450)
Steel Green Ceramic coated

Wafer Phillips High-Low Self Drilling Screws

Self Drilling Screws / Spade Point
For attaching cement board to plywood
Case Hardened to Vickers HV 450-800 (Core Hardness: Vickers HV 290-450)
Steel Green Ceramic coated

Flat Phillips Self Drilling Screws

410 Hardened Stainless Steel
Manufactured to ASME B18.6.4 & SAE J78 dimensions