Product Detail
Features
- Anti-bit wobbling structure.
- Compact body for easy screwdriving in narrow space.
- 3-mode operation for A-mode / Hard mode / Soft mode for multiple applications.
- Variable speed (0-1,300/0-3,000 RPM & 0-2,000/0-4,100 IPM) for a wide range of fastening applications.
- BL motor is electronically controlled to optimize battery energy use for longer run time per charge.
- BL motor eliminates carbon brushes, enabling the BL motor to run cooler and more efficiently for longer life.
- Ergonomically designed handle with soft grip provides increased comfort.
- Built-in twin LED light with preglow and afterglow functions illuminates the work area.
Specification
| Thumbnail | ![]() |
| Model Name | DTD157Z |
| Product Name | 18V Cordless Impact Driver |
| Capacity | Standard Bolt: M5 - M14 (3/16 - 9/16") Machine Screw: M4 - M8 (5/32 - 5/16") High Strength Bolt: M5 - M12 (3/16 - 1/2") Coarse Thread (in length): 22 - 90 mm (7/8 - 3-1/2") |
| Hex Shank | 6.35 mm (1/4") |
| Impacts Per Minute (IPM) | Hard: 0 - 4,100 | Soft: 0 - 2,000 |
| Max Fastening Torque | 140 N·m (1,240 in lbs) |
| No Load Speed (RPM) | Hard: 0 - 3,000 | Soft: 0 - 1,300 |
| Dimensions (L x W x H) | 133 x 81 x 232 mm (5-1/4 x 3-3/16 x 9-1/8") |
| Net Weight | 1.2 - 1.5 kg (2.6 - 3.3 lbs) |
| Work Amount (approx.) | 300 pcs with BL1820B Coarse thread screw 90 mm into melapi in hard impact mode |
Standard Equipment
Belt Clip, Double Ended Twist Torsion Screw Bit
Available Option
Z: Without Charger & Battery
*Items of standard equipment and specifications may vary by country or area. Net weight and dimensions may differ depending on the type of battery(ies) used. All pictures shown are for illustration purpose only. Continuous Usage Time/ Work Amount: Actual performance may vary based on application.

