G43 and G70 Hooks
Twisted T/J Combo Hook Grade 70 Forged Steel 5/16"/8mm, Safe Working Load 4700LBS
A forged alloy steel T/J combo hook sized 5/16 inch / 8mm with a twisted design to lock into oblong frame holes on vehicle undercarriages. Rated at 4700LBS safe working load with a 4:1 design factor, it is intended for towing, pulling, and dragging using grade 70 or lower chain. Not suitable for overhead lifting. The hook is compatible with vehicle frame rails and unibody structures, and the twist locks the hook in place during use.
- Size
- 5/16"/8mm
- Working Load Limit
- 4700LBS
- Material
- Alloy Steel/Carbon Steel Processing: Forged
- Finish
- Electric Yellow Galvanized / Self-Color
- Packing
- Cartons + Pallets
- Catalogue Family
- G43 and G70 Hooks
- Certificates
- EN 10204 3.1 material test certificate on request
CAD files are supplied on request via WhatsApp or email rather than published for open download.
Key Benefits
What Twisted T Gives You
- Twisted design locks the hook into oblong frame holes on vehicle undercarriages, preventing accidental disengagement
- Rated for 4700LBS safe working load with a 4:1 design factor, ensuring safe performance under dynamic towing loads
- Forged alloy steel construction provides high tensile strength and impact resistance for repeated use
- Electric yellow galvanized finish resists corrosion in outdoor and wet environments
- Self-color finish option available for applications where coating is not required
- Designed specifically for use with grade 70 or lower chain, ensuring compatibility and load safety
- Compact form factor fits into tight spaces on vehicle frame rails and unibody structures
Application Scenarios
Where Twisted T Is Used
- Towing and recovery of light to medium vehicles using frame rail tie-down points
- Securing vehicles on flatbed trailers with oblong holes in the frame for tie-down hardware
- Pulling or dragging vehicles in off-road recovery scenarios where the hook must stay locked in place
- Use in fleet maintenance and transport operations where consistent hook performance is required
- Installation on unibody vehicles where traditional hook types may not fit due to geometry
Who It Is For
Buyers This Product Is Built For
- Fleet operators specifying tie-down hardware for vehicle transport on flatbed trailers
- Recovery and towing service providers needing reliable frame-mounted hooks for vehicle recovery
- Automotive transport and logistics companies securing vehicles during long-haul transport
- Vehicle manufacturers or aftermarket suppliers building tie-down kits for vehicle transport
- Rigging distributors carrying a range of vehicle-specific tie-down hardware for the automotive market
Problems It Solves
Problems This Product Removes
- Vehicle frame holes being too small or misaligned for standard hooks, leading to poor retention
- Hooks backing out or rotating during towing due to lack of locking mechanism
- Incompatibility between hook size and chain diameter leading to unsafe load transfer
- Using overhead lifting hooks for towing, which is not rated for dynamic side loads and shock loading
- Lack of a dedicated hook type for unibody vehicles and foreign car frame rails
- Buying separate R, T, and J hooks from different suppliers for different vehicle types
Technical Features
Technical Features
- Twisted T/J design locks into oblong frame holes on vehicle undercarriages
- Forged alloy steel body with heat treatment for strength and durability
- 5/16 inch / 8mm size with dimensions A 14.5mm, B 29.0mm, C 101.8mm, D 82.7mm
- 4700LBS safe working load with a 4:1 design factor
- Minimum breaking strength of 2900LBS / 1.3T
- Electric yellow galvanized or self-color finish for corrosion resistance
- Stamped WLL and traceability marking on the hook body
- Designed for use with grade 70 or lower chain only
Specifications
Twisted T Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Size | 5/16 inch / 8mm |
|---|---|
| Safe Working Load | 4700LBS |
| Design Factor | 4:1 |
| Material | Alloy Steel / Carbon Steel |
| Processing | Forged |
| Surface Finish | Electric Yellow Galvanized / Self-Color |
| Dimensions | A 14.5mm B 29.0mm C 101.8mm D 82.7mm |
| Chain Compatibility | Grade 70 or lower chain only |
| Application | Towing, pulling, dragging - not for overhead lifting |
Full size table on request. The catalogue publishes a full dimension and capacity table for this item. Ask on WhatsApp or by email and we will send it as a PDF.
Materials
Materials And Finishes
- Alloy steel body forged and heat-treated for high tensile strength and impact resistance
- Carbon steel option available where duty allows
- Electric yellow galvanized coating for corrosion protection in outdoor and wet environments
- Self-color finish for applications where coating is not required
Manufacturing Process
How This Product Is Made
1Forging of the hook blank from alloy steel or carbon steel
2Heat treatment to achieve required strength and hardness
3Machining of the hook profile and eye hole
4Twisting of the shank to lock into oblong frame holes
5Surface finishing by electric yellow galvanizing or leaving in self-color
6Stamping of WLL and traceability marking on the body
7Proof load testing and packing
Quality Control
Quality Control On Every Batch
- Proof load test on production batches before release
- Dimensional tolerance check against published size table
- Breaking strength validation to confirm 4:1 design factor
- Visual inspection for forging defects, cracks, or surface flaws
- Material Test Certificate to EN 10204 3.1 supplied on request
- Third-party inspection accepted at warehouse before shipment
Customisation
Customisation Options
- Custom tonnage stamping on the hook body
- Private label and OEM marking available
- Finish to order in electric yellow galvanized or self-color
- Custom sizes and configurations built to a supplied drawing
- Carton and pallet packing configured to suit warehouse or retail pack
Compare
How It Compares With The Alternatives
An honest read on where this pattern wins and where another one would serve you better.
| Alternative | Honest Trade Off |
|---|---|
| Standard straight shank hook | The twisted T/J design locks into oblong frame holes and prevents disengagement during towing, while a straight shank hook may rotate or slip out |
| R Hook | The T/J combo is designed for GM and Chrysler frame rails and unibody vehicles, while the R hook is specific to Ford and may not fit other vehicle types |
| J Hook | The T/J combo is optimized for imports and smaller cars, while the J hook is designed for foreign vehicles but may not fit all frame hole geometries |
| Overhead lifting hook | This hook is not rated for overhead lifting and lacks the safety features required for vertical load transfer |
Use Guide
How To Use And Inspect Twisted T
- Match the hook's safe working load to the chain's rated capacity, not the vehicle's towing capacity
- Ensure the hook size matches the frame hole dimensions and chain diameter before use
- Twist the shank to lock the hook into the oblong frame hole before applying load
- Do not exceed the 4700LBS safe working load under any dynamic or shock loading condition
- Inspect the hook for deformation, wear, or coating damage before each use
- Retire the hook if the twist is compromised, the body shows cracks, or the marking is no longer legible
Related Products
Often Ordered With This Item
Bolt-On Tow Hook with Safety Latch
Grade 70 Bolt-On Grab Hook with Backer Plate
5/16 G70 Mini J Hook | Compact Frame J Hook
Triangle Snap Hook, Triangle Ring Safety Hook For Lashing Strap
Clevis Grab Hook with Safety Latch A330N Grade 70
Weld On Grab Hook Grade 70 Forged Steel Chain Hooks
Eye J Hook 8" Tow J Hook Short Type, G70 WLL 4700LBS
Eye J Hook 15" Towing Long Shank Hook,Grade 70 Forged Steel WLL 4700LBS
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Answers
Twisted T FAQ
Is this hook rated for overhead lifting?
No. This hook is designed only for towing, pulling, and dragging. It is not rated for overhead lifting and should not be used in vertical lifting applications.
What is the difference between a T/J hook and a J hook?
The T/J hook is designed for GM and Chrysler frame rails and unibody vehicles, while the J hook is intended for foreign cars and smaller vehicles. The T/J version includes a twist to lock into oblong holes.
Can I use this hook with grade 80 chain?
No. This hook is rated for grade 70 or lower chain only. Using it with higher-grade chain exceeds the hook's safe working load and creates a safety hazard.
What is the design factor for this hook?
A standard 4:1 design factor is used, so the minimum breaking strength is four times the stated safe working load of 4700LBS.
Can I get custom tonnage stamping or private label?
Yes. Custom tonnage stamping, private label marking, and OEM packing are available. The finish can be electric yellow galvanized or self-color.
How are the hooks packed for export?
Cartons on pallets as standard. We can configure the carton count and pallet pattern to suit your warehouse or retail pack. Goods can be held in our Qingdao warehouse free for two months while you consolidate shipments.
What finishes are available?
Electric yellow galvanized or self-color. Custom finishes such as powder coating or electrophoretic black are available on request.
Need A Quote On Twisted T
Send the sizes, the finish and the quantity on WhatsApp or by email. You get a priced reply within 24 hours and a straight answer on stock.
We reply within 24 hours on WhatsApp or by email. Send a drawing, a photo or a bill of materials and we will quote it as it stands.