Hard Plasterboard Screw For Wood/Steel Joists 3.9x31mm Phosphated C1 1000pcs Essve
The screw is made of hardened steel with phosphated surface treatment, It is equipped with Philips cross recess Ph2.
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Hard Plasterboard Screw For Wood/Steel Joists 3.9x31mm Phosphated C1 1000pcs Essve
The screw is made of hardened steel with phosphated surface treatment, It is equipped with Philips cross recess Ph2.
Description
The screw is made of hardened steel with phosphated surface treatment. It is equipped with Philips cross recess Ph2. The screw has a reversed thread under the head that presses the board material tightly against the substrate.
Specifications
- Surface treatment: Phosphated
- Main material: Steel
- Corrosivity class: C1
- Environmental coding: Indoor
- Diameter: 3.9mm
- Length: 31mm
- Head diameter: 7.8mm
- Thread length: 21mm
- D.thickness (tfix): 13 mm
- Bits: PH2
- Drilling capacity min/max: 0.4 - 0.9
- Quantity/Pack: 1000pcs

