sleeve anchors with flange

The product description :
Body:Carbon steel,SIAI 1018;
Nuts and washers:Carbon steel;
Planting by yellow zinc
Available size:M6-M20
Available per customers' specification.
Preassembled for quick and easy installation,can be used in
thin sections of concrete or solid masonry.
Head styles for every application.
The test values listed were obtained using 246-281kgs
concrete(No aggregate).A safe working load should not
exceed 25% of stated values.
Application:Concrete and stone
Installation:
1.Using a diameter which equals the anchor's,drill a hole
to mine bedment.
2.Drill hole with proper size drill through objected to be
fastened.
3.Insert anchor and expand by tightening nut.