PRODUCT DATA SHEET

AUGUST 2020

Knauf Screw Anchors

1

Designed for use with Knauf’s steel wall framing and ceiling frame systems, the Knauf screw anchor range has been purpose made to provide a complete framing solution from one manufacturer with full certification.

The Knauf screw anchor range is an integral part of achieving the full Knauf system performance, as such it is essential for the Knauf System Warranty and engineering certification.

Product Information

Anchor Dimensions

ANCHOR KSA6X45 KSA6X60 KSA8X65

Nominal embedment depth hnom (mm) 40 55 60

Maximum fixture thickness tfix (mm) 5 5 5

Threaded outer diameter dt (mm) 7.85 7.85 10.3

Core diameter dk (mm) 5.85 5.85 7.85

Shaft diameter ds (mm) 6.15 6.15 8.45

Shaft length (mm) 45 60 65

Benefits Part of the complete certified Knauf

wall and ceiling system

Compatible with Knauf metal products

Minimal edge distance and anchor spacing required

ETA certified and complies with AS 5216:2018 Design of post-installed and cast-in fastenings in concrete.

Application

The Knauf screw anchor range is compatible with the following substrates:

• Cracked and uncracked concrete for wall, floor and overhead applications.

• Autoclaved aerated concrete for walls.

• Solid brick for walls.

Suitable for use in the following loads:

• Static loads

• Quasi-static load

• Seismic C1 load certified

• Fire resistance loads

For internal use and behind external cladding. Not for use outside the building envelope.

PRODUCT DATA SHEET

AUGUST 2020

Knauf Screw Anchors

2

K S AK S AK S A

8

X 6 5

8

X 6 5

8

X 6 5

K S AK S AK S A

6

X 6 0

6

X 6 0

6

X 6 0

K S AK S AK S A

6

X 4 5

6

X 4 5

6

X 4 5

KSA6X45mm

KSA6X60mm

KSA8X65mm

Knauf Anchors

Product Information

Properties

ANCHORKSA6X45

KSA8X65KSA6X60

Head type Hex-head SW13 Hex-head SW13

Corrosion protection 8 µm zinc coating 8 µm zinc coating

Nominal tensile strength fuk (N/mm2) 930 810

Yield strength fyk (N/mm2) 745 695

Stressed cross-section As (mm2) 26.9 48.4

Concrete thickness and Anchor placement

ANCHOR KSA6X45 KSA6X60 KSA8X65

Minimum concrete thickness (mm) 80 100 100

Minimum spacing Smin (mm) 35 35 50

Minimum edge distance Cmin (mm) 35 35 40

Knowhow to help bring your project to life

The Knauf Knowhow suite of tools and technical support services is developed through dialogue and an understanding of your challenges. It’s been designed to give you full project support and enable us to be part of the solution.

Discover Knowhow online here.

Knauf Screw Anchor 6x45mm

Knauf Screw Anchor 6x60mm

Knauf Screw Anchor 8x65mm

PRODUCT DATA SHEET

AUGUST 2020

Knauf Screw Anchors

3

Static and Quasi-static Performance in Concrete

Static / Quasi-static Loads

Design resistance in cracked concrete

Pull-out (kN) Shear (kN)

KSA6X45 KSA6X60 KSA8X65 KSA6X45 KSA6X60 KSA8X65

Nominal embedment depth hnom (mm) 40 55 60 40 55 60

Concrete Grade

(MPa)

20 1.39 3.33 6.00 3.77 8.33 12.67

25 1.54 3.70 6.66 4.22 8.33 12.67

32 1.76 4.22 7.59 4.77 8.33 12.67

40 1.96 4.70 8.46 5.33 8.33 12.67

50 2.19 5.27 9.48 5.96 8.33 12.67

1. No edge distance and spacing influence, or reinforcement affects. 2. Interaction of both Pull-out and Shear to be considered as per AS5216-2018 Equation 8.2.1(1) and 8.2.1(2)

Seismic C1 Performance in Concrete

Seismic C1 Loads

Design resistance in cracked concrete

Pull-out (kN) Shear (kN)

KSA6X45 KSA6X60 KSA8X65 KSA6X45 KSA6X60 KSA8X65

Nominal embedment depth hnom (mm) 40 55 60 40 55 60

Concrete Grade

(MPa)

20 1.39 2.22 6.00 1.60 1.67 3.97

≥ 25 1.39 2.22 6.00 1.67 1.67 3.97

1. No edge distance and spacing influence, or reinforcement affects. 2. Interaction of both Pull-out and Shear to be considered as per AS5216-2018 Equation 8.2.1(1) and 8.2.1(2)

3. αgap = 0.5

Warranty Knauf’s products are guaranteed by a 10 Year Warranty.

When products are installed as part of a complete system in accordance to our recommendations, the Knauf Warranty may cover the whole system.

For details visit www.knauf.solutions

Technical Advice

AU 1300 724 505

Knauf provides a free design service for metal products backed up by the Knauf Warranty.

The detailed engineering designs for walls, ceilings and window or door openings take into consideration specific project needs and meet the building code requirements.

PRODUCT DATA SHEET

AUGUST 2020

Knauf Screw Anchors

4

KSA6X45 and KSA6X60

1 2

4

3

5

2

3

hnom

h1

tfix

Hammer drill setting

Check fitting

d0

Ø 6mm

df

Ø ≤ 9mm

hnom h1

tfix

General ApplicationsSection

Overhead ApplicationsSection

KSA6X45

KSA6X60

SW13T30

h1

40mm50mm

5mm maximum

hnom

tfix

h1

55mm65mm

5mm maximum

hnom

tfix

hnom

40mm

SID 2-A ½”

Hilti Impact Driver / Wrench

55mm

20 Nm

25 Nm

KSA6X45

KSA6X60

h1

40mm48mm

5mm maximum

hnom

tfix

h1

55mm63mm

5mm maximum

hnom

tfix

h1

SIW 6AT-A22 ½” SIW 22T-A ½”

Installationtorque

1x

INSTALLATION

PRODUCT DATA SHEET

AUGUST 2020

Knauf Screw Anchors

5

KSA8X65

1 2

4

3

5

hnom

h1

h1

tfix

hnom h1

tfix

Hammer drill setting

Check fitting

d0

Ø 8mm

df

Ø ≤ 12mm

General ApplicationsSection

Overhead ApplicationsSection

KSA8X65

SW13

h1

60mm70mm

5mm maximum

hnom

tfix

hnom

60mm

SIW 22-A ½” SIW 6AT-A22 ½”

Hilti Impact Driver / Wrench

SIW 22T-A ½” SIW 22T-A ¾” SIW 9-A22 ¾”

KSA8X65h1

60mm70mm

5mm maximum

hnom

tfix

1x

INSTALLATION