Taparia Black Phosphate Adjustable Spanners
Industrial Grade Drop-Forged Steel with Anti-Glare Protection
Taparia Black Phosphate Adjustable Spanners are engineered for heavy-duty industrial, automotive, and maintenance operations. Drop-forged from premium, high-grade steel and scientifically heat-treated, these spanners are built to withstand high torque loads and provide exceptional wear resistance over long service life.
Finished with a specialized industrial black phosphate coating, these wrenches provide enhanced resistance to rust and corrosion compared to standard bare metal alternatives. The dark matte finish effectively eliminates surface glare under heavy factory lighting, ensuring clear visibility during precise mechanical adjustments. Equipped with a smooth, left-hand thumb screw mechanism, the jaw alignment remains stable to prevent rounding off fastener heads.
Core Technical Specifications:
Brand: Taparia Tools
Material: Drop-Forged High-Grade Steel (Heat-Treated)
Finish: Anti-Glare Black Phosphate Finish
Thumb Screw Movement: Left-Hand thread
Compliance: Conforming to IS 6149-1984 Standards
Measurement Scale: Laser-etched scale on the head for quick visual calibration (Note: Scale is available exclusively on model numbers designated with an 'N')
Official Manufacturer Variant Table:
| Product No. | Overall Length (mm) | Max Jaw Opening (mm) | Weight (Grams) |
| 1169-4 | 110 mm | 13 mm | 50 g |
| 1170-6 / 1170N-6 | 155 mm | 19 mm | 125 g |
| 1171-8 / 1171N-8 | 205 mm | 26 mm | 230 g |
| 1172-10 / 1172N-10 | 255 mm | 30 mm | 390 g |
| 1173-12 / 1173N-12 | 305 mm | 35 mm | 590 g |
| 1174-15 | 380 mm | 43 mm | 960 g |
| 1175-18 | 450 mm | 57 mm | 1880 g |
| 1176-24 | 608 mm | 64 mm | 2980 g |
| 1177-30 | 780 mm | 90 mm | 5920 g |
Key Industrial Defenses:
Precision Mechanical Alignment: Specially machined jaw faces fit securely onto nut and bolt sides, ensuring uniform torque distribution.
Industrial Phosphate Barrier: The chemical conversion surface treatment resists ambient moisture, plant oils, and airborne chemical vapors common in factory environments.
Laser-Etched Scale Efficiency: Variants featuring the 'N' designation include an integrated metric scale on the spanner head, allowing operators to rapidly pre-set jaw openings prior to engagement.
Ideal Industries & Applications:
Automotive Assembly & Garage Workshops
Industrial Plant Maintenance, Repair, and Operations (MRO)
Pipe-Fitting and Plant Plumbing
Infrastructure Construction Worksites
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