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Mechanical Expansion Shell Expansion Rock Anchor Bolts / Roofing Hook Bolts
Mechanical Expansion Shell Expansion Rock Anchor Bolts / Roofing Hook Bolts
Mechanical Expansion Shell Expansion Rock Anchor Bolts / Roofing Hook Bolts
Mechanical Expansion Shell Expansion Rock Anchor Bolts / Roofing Hook Bolts
Mechanical Expansion Shell Expansion Rock Anchor Bolts / Roofing Hook Bolts
Mechanical Expansion Shell Expansion Rock Anchor Bolts / Roofing Hook Bolts
Specifications
Brand Name :
NC219
Model Number :
219
Certification :
ISO9001,BV,CE
Place of Origin :
Mainland China
MOQ :
100 pcs
Price :
$1-50
Payment Terms :
T/T, L/C
Supply Ability :
80,000 pcs
Delivery Time :
25 days
Packaging Details :
Wooden Case
Part Name :
Expansion Shell Expansion Anchor
Diameter :
32~35, 35~38, 42~45 mm
Material :
Cast Iron
Length :
90~115
Capacity :
100Kn
Sample :
Available
Description

Mechanical Expansion Shell Expansion Anchor Roct Bolt / Roof Bolt for Mining Industry

Description

Expansion shells are used for fixing single-sided shuttering or similar structures in rock, concrete or comparable load-bearing ground.

The expansion shells hold in any rock strata which is sufficiently competent to provide an adequate anchorage. They are designed to anchor in soft ground or hard rock. In good strata the anchorage exceeds the ultimate strength of the steel bolt. All expansion shells require a competent strata in the anchor zone. The suitability of the anchorage and the specific expansion shell to be used is best determined by physical load testing.

The expansion shells feature parallel contact with the hole wall with sharp serration’s on the outside leaves ensure positive holding power.

The expansion shell assembly is securely held by a spring ring, to save installation time and prevent loss of parts while handling. The spring ring is expandable with the outside leaves in working condition.

Specification

Product Name Rock Bolt with Expansion Shell
Type (Size) 32mm, 35mm, 38mm, 42mm, 48mm
Material Cast Iron
Finish Sand Blasting
weight 0.3-0.6KG etc.

Mechanical Expansion Shell Expansion Rock Anchor Bolts / Roofing Hook Bolts

Our Service

1. Best price could be offered within 24 hours after fully receipt of your sizes, material, quantity, as well as packing information.
2. Well-trained and experienced staff are to be of your service.
3. Your business relationship with us will be confidential to any third party.
4. Good after-sale service offered, please get back if you got question.
If you have a new product drawing or a sample, please send to us, and we can custom-made the hardware as your required. We will also provide our professional advice of the products to make the design to be more realized & maximize the performance.

FAQ

How long can I expect to get the customized sample?

After you pay the sample charge and send us confirmed files, and the mould is existing in our factory, the samples will be ready in 10-15 working days;
If the mould is not existing, we need to open a new mould, the samples will be ready in 15-18 working days; The samples will be sent to you via express and arrive in 3-5 working days. You can use your own express account number or prepay us if you do not have an account.

What about the lead time for mass production?

Honestly, it largely depends on the order quantity and the season when you place the order. As usual, 20-35 working days will be OK. If you are very urgent, we will try our best to do it.

Product tags

anchor expansion bolts

,

concrete expansion anchor bolts

,

expansion anchor bolts
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Mechanical Expansion Shell Expansion Rock Anchor Bolts / Roofing Hook Bolts

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Product Detail
Brand Name :
NC219
Model Number :
219
Certification :
ISO9001,BV,CE
Place of Origin :
Mainland China
MOQ :
100 pcs
Price :
$1-50
Contact Supplier
Mechanical Expansion Shell Expansion Rock Anchor Bolts / Roofing Hook Bolts
Mechanical Expansion Shell Expansion Rock Anchor Bolts / Roofing Hook Bolts
Mechanical Expansion Shell Expansion Rock Anchor Bolts / Roofing Hook Bolts

Sunrise Foundry CO.,LTD

Verified Supplier
8 Years
zhejiang, ningbo
Since 1990
Business Type :
Manufacturer, Exporter, Seller
Main Products :
Grey Cast Iron Casting, Ductile Cast Iron, Precision Investment Castings
Total Annual :
5,000,000-10,000,000
Employee Number :
50~75
Certification Level :
Verified Supplier
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