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RP-T2-FK Butt joint screw, Truss head, 4.5 x 22 mm, Partial thread (L1), SIT® 25, E14, Bimetal (stainless steel A2/steel), Nickel strike, zinc plated blue, lubricated, ETA-21/0306, 100 Pcs.

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Minimum order quantity 100 Pieces
Order step 100 Pieces


RP-T2-FK Butt joint screw


Stylish look with small, discreet rounded head.

No subsequent cleaning of the roof surface is needed thanks to chip-free fastening = time and cost savings.

High pull-out values even in thin-walled components. More thread turns are formed in the displaced material owing to the thin sheet metal tip.

Fast screw-in speed due to double thread.

Due to the thread-free part beneath the screw head, the two components are joined together without high constraint forces.

No undercut, which means the screw can also be loosened again if required.

SIT®-drive ensures stable fastening without wobbling.


Drilling screw for fixing aluminium and steel profile sheets to aluminium and steel substructures without chipping.
Drilling screw for creating a positive connection in the overlap area of profile sheets.
Butt joints, fixing edge part sheets


Processing (recommendation)1. Inserting the screw with increased pressure and low rotation speed (approx. 200 revolutions)2. Pressure can be reduced as soon as the thread engages. The rotation speed can then be increased to approx. 1600 revolutions.3. Immediately before the sealing washer touches down, reduce the rotation speed considerably and tighten the sealing washer until it is slightly compressed.4. Recommended tightening torque for steel substructure approx. 3 Nm, under 0.8 mm material thickness 1 Nm.Recommended tightening torque for aluminium substructure approx. 1 Nm, under 0.8 mm material thickness 0.5 Nm.


Article number DB6612B020-0450222-1
Code 14996/9
GTIN/EAN 4005674149969
Diameter d 4.5 mm
Length L 22 mm
Thread length L1 20 mm
Height of head k 3.3 mm
Total gross weight 569.00 g
Area of application Sheet steel connections: Steel on steel substructure
Component I.1 Thickness 0.4 - 1.0 mm
Component II.1 Thickness 0.5 - 1.0 mm
Diameter dw 5 mm
Diameter dn 3.5 mm
Additional features Thread-free section under the head
Core diameter d1 4.4 mm
Drilling capacity Component 1 [mm]: Steel 0.4 - 1.0; Aluminium 0.5 - 1.2 Component 2 [mm]: Steel 0.5 - 1.0; Aluminium 0.5 - 1.2
Approval ETA-21/0306
Height h 3.7 mm
Material Bimetal (stainless steel A2/steel)
Surface Nickel strike, zinc plated blue, lubricated
Drive type SIT®
Drive size 25
Head shape Truss head
Seal: Abbreviation E14
Seal: Type Sealing washer
Seal: Material Stainless steel A2/EPDM
Approval with annex Z-14.1-4, annex 3.305a Z-14.1-537, annex 3.2.21/3.1.30 ETA-21/0306, annex 28.10/28.11/28.20/28.30
Drilling capacity 1 x 1.0/2 x 0.8 mm
Processing speed 1,600 U/min
Clamping area on steel 1 - 7 mm
Packaging quantity 100
Packaging unit Pcs.
Packaging size (HxWxD) 76.00 mm x 85.00 mm x 62.00 mm
Net weight 539.00 g


File (RP-T2-FK 4,5_ETA-210306-en_16007_ROP.pdf, 8.34 MB)

File (DoP-002 en_d_16028_ROP.pdf, 130.07 KB)

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