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Bimetallic stainless self-drilling screw 6.0×25 mm with washer – PV and steel structure mounting

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Bimetallic stainless self-drilling screw 6.0×25 mm with hex head and washer. Shank made of A2 stainless steel, drilling tip made of hardened carbon steel. Drilling capacity in steel up to 2.0 mm, in aluminium up to 4.0 mm. SN 1190 standard. For mounting PV installations, roof and facade structures, and steel

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Price €0.28
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pcs.
Availability:
In stock (large quantity)
Shipping time: 10 Business days

Product features

[PIM] Śruby i wkręty #38

  • Length [mm] 25

Description

Bimetallic stainless self-drilling screw 6.0×25 mm with washer – PV and steel structure mounting

Bimetallic self-drilling screw 6.0×25 mm with hex head and washer
Bimetallic self-drilling screw 6.0×25 mm with hex head and washer

A professional bimetallic self-drilling screw 6.0×25 mm designed for fastening thin-walled steel and aluminium profiles in photovoltaic installations, roof structures and facade structures. It combines a stainless steel shank with a hardened drilling tip, meaning no pre-drilling is required — it can be driven directly into the base material. The chip-free drilling technology eliminates the formation of metal shavings on the mounting surface, effectively preventing corrosion hotspots at the connection point. The hex head with an integrated sealing washer ensures a tight fit and even pressure distribution on the sheet metal, which is crucial when mounting on roofs exposed to weather conditions.

Benefits for the professional installer

  • Direct installation without pre-drilling — the hardened drilling tip shortens working time on the roof
  • Chip-free drilling — no metal shavings prevents corrosion hotspots on the mounting surface
  • Bimetallic construction combining shank flexibility with tip hardness — the screw does not crack under dynamic load
  • Hex head with sealing washer — a tight connection resistant to weather conditions
  • Designed for photovoltaic installations, roof, facade, and steel-aluminium structures
Bimetallic self-drilling screw 6.0×25 mm — side view
Bimetallic self-drilling screw 6.0×25 mm — side view
Bimetallic stainless self-drilling screws 6.0×25 mm — group view
Bimetallic stainless self-drilling screws 6.0×25 mm — group view
Technical drawing of the 6.0×25 mm self-drilling screw with dimensions
Technical drawing of the 6.0×25 mm self-drilling screw with dimensions

Technical parameters

Thread / nominal diameter6.0 mm
Length25 mm
StandardSN 1190
Head type / shapehex head with washer
Drilling capacity in steelup to 2.0 mm
Drilling capacity in aluminiumup to 4.0 mm

Material and finish

MaterialA2 stainless steel / bimetal (hardened carbon steel drilling tip)

Detailed dimensions

Outer diameter6.0 mm
Washer diameterØ 16 mm
Head height with washer5.25 mm
Wrench size8 mm

Other parameters

Applicationphotovoltaic/solar installations, roof and facade structures, steel and aluminium structures

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