DongCheng Heavy-Duty T-Model Utility Knife (HD110406)
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The DongCheng HD110406 Heavy-Duty T-Model Utility Knife is an industrial-grade fixed/retractable heavy utility knife engineered for heavy-duty cutting across roofing, drywall, flooring, and warehousing. Drop-forged and die-cast from solid aluminum alloy, this rugged 150mm cutter delivers maximum structural rigidity and withstands high drops and intense manual force.
It utilizes heavy-duty standard trapezoid utility blades measuring 0.5 x 19 x 61mm forged from premium CK75 high-carbon steel, ensuring long-lasting edge retention and superior resistance to snapping. The knife includes a total of 6 PCS CK75 trapezoid blades (with internal handle storage for rapid blade swapping). Packaged in a protective slide blister pack.
Key Features
- All-Aluminum Alloy Body: Heavy-duty die-cast aluminum frame provides indestructible structural durability under tough jobsite conditions.
- Comes with 6 PCS CK75 Blades: Supplied with 6 heavy-duty 0.5 x 19 x 61mm trapezoid blades for long-lasting cutting performance.
- Ergonomic T-Model Contoured Grip: Contoured body shape fits naturally in the hand, providing maximum downward and pulling force.
- Integrated Spare Blade Chamber: Internal handle compartment stores spare trapezoid blades for quick, tool-free blade changes on the go.
- Positive Locking Blade Mechanism: Secure blade clamp prevents blade wobble, slipping, or accidental release during heavy drag cuts.
- Slide Blister Pack: High-grade packaging preserves knife finish and spare blades during transit.
Applications
- Slicing heavy asphalt roofing shingles, felt underlayment, and rubber flashing
- Scoring and trimming drywall, sheetrock, cement boards, and heavy insulation panels
- Cutting commercial carpets, vinyl composition tile (VCT), and linoleum flooring
- Heavy warehouse box slitting, banding strapping removal, and leather trimming
Technical Specifications
| Parameter | Specification |
| Brand | DongCheng |
| Model Number | HD110406 |
| Tool Type | Heavy-Duty T-Model Utility Knife (Box Cutter) |
| Body Construction | Solid Aluminum Alloy |
| Blade Profile | Trapezoid / T-Shaped Utility Blade |
| Blade Dimensions | 0.5 mm x 19 mm x 61 mm |
| Blade Material | CK75 High-Carbon Steel |
| Blades Included | 6 PCS CK75 Blades |
| Overall Length | 150 mm |
| Packaging Type | Packed by slide blister |
Size/Model-wise Table
| Model | Blade Type | Blade Dimensions | Blade Material | Blades Included | Body Material | Length | Packaging |
| HD110406 | Trapezoid (T-Model) | 0.5 x 19 x 61 mm | CK75 Steel | 6 PCS | Solid Aluminum | 150 mm | Slide Blister |



















