bolt-t-dat - bolt-dat - mechanical-parts-dat - screw-dat - thread-dat - nut-dat - washer-dat
地腳螺栓
- 预埋螺栓
An L-bolt (or L-shaped anchor bolt) is a heavy-duty fastener primarily used to anchor structural elements, steel columns, or sill plates to concrete or masonry. The 90-degree bend is embedded in the concrete to prevent the bolt from pulling out under tension.
Key Specifications
- Sizes: Commonly available in diameters ranging from M6 to M36 (or 1/2" to 1-1/4") depending on load requirements.
- Materials: Manufactured from mild steel, high-tensile steel, or corrosion-resistant 304/316 stainless steel.
- Finishes: Available as plain, electro-galvanized, or hot-dipped galvanized (HDG) for outdoor or corrosive environments.
4. Primary Applications
- Structural Steel Columns: Securing the baseplates of steel structural beams to concrete foundations.
- Light Poles & Signage: Anchoring highway sign structures, traffic lights, and street lamp posts.
- Equipment/Machinery Foundations: Bolting down heavy industrial manufacturing equipment to prevent vibration-induced shifting.
- Sill Plate Anchoring: In residential construction, securing wood sill plates to concrete slab foundations.