3/8" Drive x 21mm Standard Impact Socket - Grey Pneumatic

The Grey Pneumatic 1021M 3/8" Drive x 21mm Standard Impact Socket is engineered for the rigorous demands of professional automotive and industrial repair environments. This robust 21mm socket delivers reliable performance for common metric fasteners found on a wide range of late-model passenger vehicles, light trucks, and machinery, making it an indispensable component for any professional toolkit.

Key Features

• 3/8" Drive x 21mm Size: Provides a versatile combination suitable for compact impact wrenches and ratchets, offering excellent access in confined spaces while addressing a frequently encountered metric fastener size across various domestic and import applications.
• Impact-Rated Chrome Molybdenum Steel: Constructed from premium chrome molybdenum alloy steel, this socket is heat-treated for exceptional strength and durability, ensuring it withstands high-torque impact applications without premature wear or failure.
• 6-Point Configuration: Designed to securely engage the flats of fasteners, promoting superior torque transfer and significantly reducing the risk of rounding, even on stubborn or corroded nuts and bolts.
• Black Oxide Finish: A durable black oxide coating provides enhanced resistance against rust and corrosion, extending the socket's operational life in demanding shop, fleet, and field service conditions.
• Precision Machining: Engineered with tight tolerances for a consistent and secure fit on 21mm fasteners and reliable engagement with the anvil of 3/8" drive tools.

Applications

This 21mm impact socket is a critical tool for automotive technicians, fleet mechanics, and industrial maintenance teams. It is commonly utilized for tasks involving suspension components, steering hardware, subframe and crossmember bolts, and various wheel and chassis fasteners. Its broad utility makes it well-suited for work on many domestic and import vehicles that incorporate 21mm hardware, as well as for machinery assembly, equipment repair, and general maintenance requiring a robust 3/8" drive 21mm impact socket.

Specifications

• Manufacturer: Grey Pneumatic
• Model: 1021M
• Drive Size: 3/8 inch
• Socket Size: 21mm
• Type: Standard impact, 6-point
• Weight: 0.2 lb
• Dimensions: 2.4 x 2.3 x 1.45 in