Screw anchor W-SA TC Timber Connect

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Screw anchor W-SA TC Timber Connect

For attaching wooden sills in cracked and non-cracked concrete

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Available in 3 versions

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Art.-no. Anchor diameter Anchor length (l) Min./max. height of the fixture (t fix) Nominal drill-bit diameter (d 0) Quantity PU
12 mm 160 mm 80-300 mm 10 mm
25 pcs
7.5 mm 100 mm 40-150 mm 6 mm
100 pcs
10 mm 130 mm 60-200 mm 8 mm
50 pcs

Packaging unit

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Structure of our article number

The article number is made up of the following: VVVVAAABBB
VVVV = 4 digits for prefix number (please note that the first digit is currently always 0)
AAA = 3 digits for dimension part 1
BBB = 3 digits for dimension part 2

Example article number structures:
Example 1: Screw with dimensions of 4x10 mm:
00574 10 (2 spaces between the 4 and the 10)

Example 2: Screw with dimensions of 10x20 mm:
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:

Information on price display

Price per packaging unit (PU):
The displayed price is always in line with the displayed packaging, if the PU is 250 the price for 250 units, if the PU is 300 the price for 300 units.

Price with price key representation (PSL):
The price always applies to a quantity ruled through the price key:
Price for 1 unit
Price for 100 units
Price for 1000 units


The quantity shows the number of pieces or units of measure contained in the order or delivery for the respective article.
Art.-no. Cust. Mat. No.

Hazardous Material

Product information

Würth Catalogue

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Technical information

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High transferable tensile and transverse loads

Invisible sill attachment:

Small screw head can be countersunk in wooden beam

Several mounting heights possible for each screw diameter (e.g. W-SA TC 12 x 160: tfi x = 80 mm to 300 mm)

Loads do not depend on thickness of attached part

Push-through installation

Quick and easy installation and disassembly

The sill anchor can be inserted using the ESS ½ inch tangential impact screwdriver

Immediate load-bearing capacity — no waiting

Virtually no expansion effect, enabling minimal edge and axial clearance to be maintained

Anchoring via positive locking

The saw-tooth threads cut into the concrete when the sill anchor is screwed into the pre-drilled hole.

General technical approval: Z-21.1-1917


  • Wood connections: Dimensioning in accordance with DIN 1052:2008-12

  • Concrete connections: Dimensioning in accordance with ETAG 001, Appendix C