Evolution Black Phosphate Fine Thread Drywall Screw 3.5mm x 50mm – DWSP50

CE Marked

IMPORTANT APPLICATION ADVICE: On rare occasions black phosphate screw coatings can react with some render types, which can damage the coating resulting in corrosion and staining. To reduce the risk of this happening Evolution recommends sealing the drywall screw heads with a PVA bonding solution before render is applied.

Specification:

• Size : 3.5mm x 50mm
• Box Quantity : 1,000
• Material Grade : AISI C1022
• Recommended Drill Speed (RPM) : 4,000 - 6,000 RPM
• Hi-Lo Thread : No
• Head Style : Bugle
• Thread Form : Twin
• Steel Thickness (mm) : 0.5mm - 1.0mm
• Salt Spray Tested : No
• Shank Material : Carbon Steel
• Drill Point : Sharp
• Drive Bit : Phillips 2
• Coating : Black Phosphate
• Colour : Black
• Effective Thread length : Fully threaded
• Fixes To : Timber/Metal
• Fixture Thickness : 15mm
• Fire Tested : No
• Fixes From : Plasterboard/Timber
• Fixing plasterboard to metal studs up to 1mm