R-WB Self-drilling screws for steel

Double-threaded screw for trapezoidal steel sheet – max thickness of 2 x 1.25mm

Technical Data Sheet

R-WB Self-drilling screws for steel - Technical Data Sheet

Features and benefits

Hardened thread surface
High quality anti-corrosion coating guarantees resistance of 15 Kesternich cycles.
The shape and type of thread is designed specifically for connecting to metal sheets
The drill point is designed to provide a fast and hassle-free installation. Sharp point of the drill prevents movement of the surface of the fixture.
Reduced drilling point ensures optimal tightness and correct hole diameter in thin metal sheets.
Two types of threads: one designed for mounting into construction, second under head thread, prevents external panel dents and helps to seal the connection

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Product information

Product Code	Screw
	Diameter	Length	Head size
	d	L	S
	[mm]
R-WB-48080	4.8	80	8
R-WB-48100	4.8	100	8
R-WB-48120	4.8	120	8
R-WB-48140	4.8	140	8
R-WB-48160	4.8	160	8
R-WB-48170	4.8	170	8
R-WB-48180	4.8	180	8
R-WB-48200	4.8	200	8
R-WB-48220	4.8	220	8

Base material

Metal Sheet & Profiles
Structural Steel

Applications

Installing insulation layers on flat roofs in conjunction with steel washer, which remains stable thanks to the double thread.

Installation guide

Position POW washer on insulation and insert WB screw
Using drilling machine, drive the screw into substrate until fixing depth is reached

Installation data

Substrate			Steel
Hole diameter in substrate	d₀	[mm]	-
Min. hole depth in substrate	h₀	[mm]	-
Min. installation depth	h_nom	[mm]	-
Min. substrate thickness	h_min	[mm]	0.75
Min. spacing	s_min	[mm]	120
Min. edge distance	c_min	[mm]	30
Screw diameter	d	[mm]	4.8

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