Concrete screws are used for securing medium-high load application into concrete, solid brick, hollow brick or stone surfaces. It is also called concrete anchors, concrete bolts or concrete screw anchors
1. Drill a hole into the concrete, hold the fixture you are fastening over the hole, then use a hammer to tap the anchor into the hole. As you drive in the pin, the sleeve expends outward tapping the anchor in the hole
| Dimensions | Min.embedment depth K*(mm) | Min.embedment depth K**(mm) | Max.fixture thickness u**(mm) | Max.fixture thickness u**(mm) | Packing |
|---|---|---|---|---|---|
| 7.5×42 | 30 | 60 | 10 | Variable | |
| 7.5×52 | 30 | 60 | 20 | ||
| 7.5×62 | 30 | 60 | 30 | ||
| 7.5×72 | 30 | 60 | 40 | 10 | |
| 7.5×82 | 30 | 60 | 50 | 20 | |
| 7.5×92 | 30 | 60 | 60 | 30 | |
| 7.5×100 | 30 | 60 | |||
| 7.5×112 | 30 | 60 | 80 | 50 | |
| 7.5×120 | 30 | 60 | |||
| 7.5×132 | 30 | 60 | 100 | 70 | |
| 7.5×152 | 30 | 60 | 150 | 120 | |
| 7.5×182 | 30 | 60 | 150 | 120 | |
| 7.5×202 | 30 | 60 | 170 | 140 | |
| 7.5×212 | 30 | 60 | 180 | 150 |
