1" Drive x 43mm Deep - 12 Point Impact Socket - Grey Pneumatic

The Grey Pneumatic 4143MD 1" Drive x 43mm Deep 12-Point Impact Socket is engineered to meet the rigorous demands of professional service in heavy-duty automotive and industrial settings. This robust socket is specifically designed for precise engagement with large 43mm metric fasteners, ensuring reliable performance when paired with high-torque 1" drive impact wrenches. It is an indispensable tool for technicians maintaining heavy trucks, buses, and various industrial machinery.

Key Features

• Durable Construction: Manufactured from high-strength chrome-molybdenum (Cr-Mo) steel, this impact socket is built to withstand repeated impact cycles and the substantial torque loads inherent in heavy-duty applications.
• Enhanced Fastener Engagement: The 12-point configuration provides easier alignment and superior contact on large metric nuts, effectively minimizing the risk of fastener rounding and damage.
• Extended Reach Design: A deep well profile facilitates access to recessed lug nuts and fasteners on extended studs, commonly encountered on heavy-duty vehicles and industrial equipment.
• Corrosion Resistance: Features a protective black phosphate finish, offering enhanced resistance against corrosion and extending the service life of the tool in challenging fleet, construction, and industrial environments.
• Clear Identification: Equipped with prominent laser-etched and/or stamped sizing, enabling quick and efficient identification within tool storage and during active work.

Applications

This Grey Pneumatic impact socket is ideally suited for a wide range of heavy truck and fleet maintenance tasks, including critical hub, axle, and suspension work on medium- and heavy-duty vehicles that utilize 43mm metric fasteners. It is commonly deployed on wheel and chassis hardware in commercial truck shops, bus garages, municipal fleets, and off-highway equipment maintenance facilities. Technicians servicing construction, agricultural, and industrial machinery will find this a practical choice where deep access, accurate torque transfer, and impact-rated durability are essential.

Specifications

• Manufacturer: Grey Pneumatic
• Model: 4143MD
• Drive Size: 1"
• Socket Size: 43mm
• Style: Deep, 12-point impact socket
• Weight: 3.3 lbs