Self-drilling reduced drill bit ALFST

Self-drilling screw reduced drill bit with low head rivet type
Self-drilling reduced drill bit ALFST
Product overview
CELO's self-drilling screw ALFST with reduced drill bit and low head is designed for drilling thin steel sheets or aluminium sheets less than 2 mm thick. Avoid stripping in the aluminium profile due to the reduced drill point. Made of high-quality steel and blue zinc plated coating.
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List of references
Reference
d
J
94213ALFST
94216ALFST
94219ALFST
Diameter [mm]
d
J
4.2
4.2
4.2
Length [mm]
d
J
13
16
19
Screw material
d
J
Steel
Steel
Steel
Head diameter [mm]
d
J
8.2
8.2
8.2
Head height [mm]
d
J
1.4
1.4
1.4
Head type
d
J
Low head
Low head
Low head
Suitable for
d
J
Aluminium profiles
Aluminium profiles
Aluminium profiles
Packaging units
d
J
500
500
500
Packaging type.
d
J
Box
Box
Box
A
t
3 / 3 references
Applications
  • Aluminium windows
  • Aluminium doors
  • Aluminium profiles
  • Metal profile fittings
  • Fittings in aluminium profiles
Further specifications

Key features:

  • Head of great aesthetic simulates a rivet but with the own advantages of the screw
  • Special reduced drill bit for drilling steel sheets less than 2 mm thick
  • Reduced drill bit to avoid the stripping.
  • Designed for aluminium profiles
Base materials
  • Steel sheet
  • Aluminium sheet

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