Hunan Jia Shan Hardware Tech Co., Ltd.
| Payment Terms | T/T, Western Union |
| Supply Ability | Batch order abailable |
| Delivery Time | 1-5 weekds |
| Usage | Fastening |
| Size | Various sizes available |
| Style | L & J Hook Bolt with nut washer assortment |
| Head Style | L & J Hook Bolt |
| Strength | High |
| Finish | Polished、Gold、Yellow、Zinc Plating |
| Manufacturer | JIA SHAN Hardware Company |
| Length | As customisation |
| Package | Small Packing+Carton Packing+Pallet |
| Standard | DIN |
| Package Quantity | 100 pieces |
| Shape | J bolt/ L bolt |
| Measurement System | INCH, Metric |
| Port | Shenzhen |
| Quality | Inspection before shipment |
| Color | As customisation |
| Material | Steel:304/316/301/310/201 |
| Brand Name | JIA SHAN |
| Model Number | DIN, ASEM, ISO |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | Batch order abailable |
| Delivery Time | 1-5 weekds | Usage | Fastening |
| Size | Various sizes available | Style | L & J Hook Bolt with nut washer assortment |
| Head Style | L & J Hook Bolt | Strength | High |
| Finish | Polished、Gold、Yellow、Zinc Plating | Manufacturer | JIA SHAN Hardware Company |
| Length | As customisation | Package | Small Packing+Carton Packing+Pallet |
| Standard | DIN | Package Quantity | 100 pieces |
| Shape | J bolt/ L bolt | Measurement System | INCH, Metric |
| Port | Shenzhen | Quality | Inspection before shipment |
| Color | As customisation | Material | Steel:304/316/301/310/201 |
| Brand Name | JIA SHAN | Model Number | DIN, ASEM, ISO |
| Certification | ISO | Place of Origin | China |
| High Light | M4 M16 carbon steel hook bolt ，Class 4.8 grade 8.8 bolt ，yellow plating hook bolt with nut | ||
| Attribute | Value |
|---|---|
| Usage | Fastening |
| Size | Various sizes available |
| Style | L & J Hook Bolt with nut washer assortment |
| Head Style | L & J Hook Bolt |
| Strength | High |
| Finish | Polished, Gold, Yellow, Zinc Plating |
| Manufacturer | JIA SHAN Hardward Company |
| Length | Customizable |
| Package | Small Packing+Carton Packing+Pallet |
| Standard | DIN |
| Package Quantity | 100 pieces |
| Shape | J bolt/ L bolt |
| Measurement System | INCH, Metric |
| Port | Shenzhen |
| Quality | Inspection before shipment |
| Color | Customizable |
| Material | Steel: 304/316/301/310/201 |
One Time Burying Method: Anchor bolts are embedded during concrete pouring, ideal for tilt-controlled towers.
Pre-reserved Hole Method: Bolts placed in pre-drilled holes after equipment positioning, filled with high-grade concrete.
For loose bolts: weld reinforcement bars around bolt, clean and grout. For bolt deviations: adjust position, cut/extend as needed, or use bending method for correction.
J-bolt (also called J-anchor, J-bolt) = a straight rod + 180° curved hook, shaped like a capital J. It has no expansion piece and is not filled with glue.
It does not have its own expansion piece, not filled with glue, and relies on the "hook" buried in the concrete to eat the pull-out force. Core features in 8 sentences:
Single hook anchorage
The inside of the hook bites into the concrete and provides a purely mechanical locking key, which is reliable without glue.
Resistant to pullout but not to shear
The design specification puts the "hook" as a tensile anchor, the lateral shear force depends on the friction of the base plate or another shear key, don't expect it to carry a single shear.
Specification ceiling
Hooks need to be hot bending, ≥ M39 Heating zone strength loss, the standard recommended maximum to M36, grade commonly used 4.6 / 5.6.
Depth of burial = lifeline
Minimum depth of burial 12 d (d = diameter of the rod) or 6 times the straight section of the hook, otherwise the pull-out test will fail in minutes.
Suitable for equipment fixing, steel structure foundations, street lamps, traffic signs, pumps, boiler installation, and heavy equipment pre-embedded fixing.
| No. | C% | Cr% | Ni% | Mo% |
|---|---|---|---|---|
| 304 | 0.07 | 17.5-19.5 | 8.0-10.5 | / |
| 316 | 0.08 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
| 301 | 0.15 | 16.0-18.1 | 6-8 | / |
| 310 | 0.08 | 24-26 | 19-22 | / |
| 304L | 0.03 | 18-20 | 8-12 | / |
| 316L | 0.03 | 16-18 | 10-14 | 2-3 |
| 321 | 0.08 | 17-19 | 9-12 | / |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2007
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ... Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ...
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