Expansion shell is an important part of expansion shell anchor bolt. expansion shell can provide prestressing to rock. It is very convenient and easy to install. It is suited temporary support and permanent support. It matches with domed plate, nut and domed washer. And they are suited for use in single or twin grout tube installation due to the minimal rotation the bar undergoes the setting process.
Expansion shells are used together with rock securing bolts, mounting bolts and combination bolts. It provides excellent grounding in hard and medium hard rock masses.
1.size:32mm, 35mm, 38mm, 42mm, 48mm
2.process:casting, forged, stamping, welding ,assembling
3.type: two leaves or three leaves
4.expansion shell include expansion shell anchor bolt, thread bar, anchor plate and nut.
Application
They are widely used in jet grouting, water well-drilling, tunnel, slope pre-support and control, mining, coast, building foundation, soil nailing, micropile, road reinforcement, water conservancy projects, geological faulty treatment, deep excavation,railway system, metro projects, etc.
You can rest assured to buy Expansion Shell Bolt from our factory and we will offer you the best after-sale service and timely delivery. Expansion shells bolt is used for fixing single-sided shuttering or similar structures in rock, concrete or comparable load-bearing ground.
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