DONGCHENG T40 x 100 mm Heavy-Duty Torx Screwdriver (HD090507)-A heavy-duty Torx (star) screwdriver for the largest standard T40 screws in automotive, machinery, and equipment work.
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The DONGCHENG HD090507 T40 x 100 mm Heavy-Duty Torx Screwdriver is made for mechanics, fitters, maintenance technicians, and DIY users who work with large Torx (six-lobe star) fasteners. The T40 tip fits big Torx screws found in brake calipers, suspension and wheel hubs, engine and gearbox covers, seat and body mounts, and heavy equipment. The six-lobe profile grips the screw more firmly than slotted or Phillips tips, so there is less cam-out and less damage to the screw head. T40 is a size up from the T30 model (HD090506), which gives more torque for tight or stubborn fasteners. The heavy-duty build is made for higher loads, and the handle gives a firm, comfortable grip under force.
Key Features
- T40 Torx tip: fits large six-lobe star screws, bigger than the T8 to T30 models
- Heavy-duty build: made for high-torque, demanding use [confirm what makes it heavy-duty, e.g. thicker shank, through-shank, hex bolster]
- Better grip, less cam-out: the star profile transfers torque more evenly than slotted or Phillips tips
- 100 mm blade length: a good balance of reach and control [confirm: blade length or overall length]
- Magnetic tip: [confirm] helps hold screws in place
- Hardened tip: [confirm, e.g. hardened and tempered] for a snug fit and long life
- Blade material: [confirm, e.g. CR-V / S2] for strength and durability
- Handle: [confirm, e.g. soft-grip / anti-slip / hex bolster for a spanner] for a secure hold under load
- Trusted brand: made by DONGCHENG, known for professional-grade tools
Application
- Automotive brake caliper, suspension, and wheel hub fasteners
- Engine, gearbox, and differential cover screws
- Seat, body mount, and chassis fasteners
- Heavy equipment and machinery servicing
- Industrial maintenance and assembly
- Workshop and heavy-duty DIY use
Technical Specifications
| Parameter | Specification |
| Brand | DongCheng |
| Model Number | HD090507 |
| Tool Type | Extra Heavy-Duty Torx (Star) Screwdriver |
| Blade Material | Chrome Vanadium (CR-V) Steel |
| Tip Type / Size | Torx T40 |
| Tip Characteristic | Strong Magnetic Tip |
| Blade Length | 100 mm |
| Blade / Shank Diameter | 8.0 mm |
| Shank Type | Round Shank |
| Handle Type | Two-color ergonomic handle |
| Packaging Type | 1 PCS screwdriver with 1 PC plastic hanger |
Safety Note:
Do not use on live electrical circuits unless the screwdriver is marked as VDE-rated or insulated. Do not use it as a chisel, pry bar, or punch, and do not strike the handle with a hammer unless it is designed for it. Match the tip size to the screw to avoid slipping and damage.





















