Machine screw anchors are ideal for use in concrete, block, brick and stone. These anchors are internally threaded and they accept machine bolts. Common applications include windows, screens, sliding doors and shutters.
| Type | : | Screw Anchors |
| Diameter | : | 1/4 in |
| Drill Size | : | 5/8 in |
| Material | : | Lead |
| Overall Length | : | 20 mm |