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DRILLNOX DF/ A4+Rd

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Applications

  • Fastening of sandwich panels on steel frames in corrosive environments.

Advantages

  • Drill tip and introduction thread made from zinc-plated case-hardened steel.
  • Double thread does not damage insulation materials.
  • Corrosion resistance greater than 30 Kesternich cycles (excluding drill point)

Technical characteristics

Type of the screw tip self-drilling tip
With flange True
Flange head diameter 10,5 mm
Type of thread Double hi-thread
Pre-drilling Without pre-drilling
Product material Bi-metal (A4 stainless steel / Steel)
Head shape Hex. Head
pattern hexagonal TH 8
Material of the screw head A4 Stainless steel
Laquering Natural head & washer
With washer/ seal True
Type of the washer Vulca washer
Material of the washer/ Seal A2 Stainless steel / EPDM
Outside diameter of the washer 19 mm
Thickness of the flange 1 mm
Resistance to corrosion 30 Kesternich cycles
Installation mode Installation with hexagonal screwdriving
Supporting material Steel
Diameter on thread 5,5 mm
Head height 5,4 mm
5 features on 20

3 generic codes
Filter:
CP mini
CP maxi
L
CS mini
CA maxi
Generic code CP mini 
Drilling capacity mini
CP maxi 
Drilling capacity maxi
L  (mm)  
Length
CS mini  (mm)  
Minimum clamping capacity
CA maxi  (mm)  
Maximum assembly capacity
374666DRILLNOX 4DF TH8 5.5x215I19 1.2 4 215 140 194
374736DRILLNOX 12.5DF TH8 5.5x220I19 (100p) 4 12.5 220 143 187
374751DRILLNOX 12.5DF TH8 5.5x280I19 (100p) 4 12.5 280 203 247
 generic codes on 
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