Roof construction screw

Name: Roof construction screw
Brand: Würth
SKU: 021717542

Roof construction screw concrete TX-drive
SCR-HEX-FLG-CONC-TX30-(DPS)-7,5X42

Art.-no. 021717542

EAN 4038898980056

All versions

Specification

Case-hardened steel, special coating according to UEatc guidelines, TX drive. Fastening of roof rails and non-slip insulating materials on concrete > C 20/25, < C 35/45 (> B 25, < B 45)

For use with conventional drivers

Proof of Performance

Tested in accordance with DIN 50018 — 15 cycles Kesternich

Tested according to DIN 50021 salt spray mist test

Notice

An impact screwdriver should be used for a screw-in depth of > 50 mm.

Warranty lodged with the ZVDH (Roofing Trade Association).

Attachment hardware length= roof structure + minimum screw-in depth

Minimum screw-in depth in concrete: 30 mm

Drilling dia.: 6 mm

Application area

1. Roof-waterproofing sheeting

2. Insulation material

3. Load-bearing structures (concrete)

Screw-in depth	mm	Recommended tensile load with 5 times increased safety
Without rotary percussion	30	0.56 kN
Without rotary percussion	40	1.42 kN
Without rotary percussion	50	1.55 kN
With rotary percussion	30	0.53 kN
With rotary percussion	40	1.23 kN
With rotary percussion	50	1.49 kN

Tested in accordance with DIN 50018 — 15 cycles Kesternich

Tested according to DIN 50021 salt spray mist test

Technical information


Nominal diameter (d₁)	7.5 mm
Length (l₁)	42 mm
Head diameter (d₂)	10 mm
Head height (k₁)	3.0 mm
Head type	Countersunk head 60 degree
Thread type	Self-tapping screw thread
Thread length (tapping screw thread) (l₂)	37 mm
Material	Steel
Surface	Flake zinc silver
Internal drive	TX30
RoHS-compliant	Yes

Documents/CAD data

Product information

Datasheets (1)

CAD data (available after login)

Certificates/ Documents (0)

Accessory

Additive article:

Product

Description

Quantity

Price
/PU

Disc For roofing screw

PLT-SCR-(PB-WO-CONC)-82X40MM

Art.-no. 021718240

Wood/aerated concrete/concrete

x 100 pcs

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