1/2 In Drive 8 Point Impact Socket - 7/8 In - Armstrong

The Armstrong 20-428 1/2" Drive 8-Point Impact Socket, 7/8 In, is engineered for professional technicians who require reliable and secure engagement on square and octagonal fasteners. Built to withstand the rigors of high-torque applications, this impact socket delivers consistent performance with impact wrenches and drivers in demanding automotive and industrial environments where precision and durability are paramount.

Key Features

• Impact-Rated Construction: Designed to endure repeated shock loads from 1/2" drive impact wrenches and drivers, ensuring longevity in heavy-duty fastening and removal tasks.
• Secure 8-Point Fastener Contact: The 8-point design provides a positive, non-slip grip on square and octagonal nuts and bolts, significantly reducing the risk of fastener rounding and rework.
• Professional-Grade Alloy Steel: Manufactured from high-strength alloy steel, offering exceptional durability for continuous shop use, even on stubborn or rusted hardware.
• Corrosion-Resistant Black Oxide Finish: A protective black oxide coating enhances resistance to corrosion, extending service life in harsh shop, fleet, and field environments.
• Clear Size Markings: Easy-to-read size identification allows for quick and efficient socket selection on service carts and in tool drawers, improving workflow efficiency.

Applications

The Armstrong 20-428 7/8" 8-point impact socket is an essential tool for fleet maintenance, heavy-duty truck and bus service, agricultural equipment repair, and industrial machinery maintenance. It excels at removing and installing square head plugs, fittings, and various hardware found on hydraulic systems, driveline components, and chassis work. This socket is ideal for professional automotive technicians, diesel mechanics, and industrial maintenance crews who regularly perform high-torque, repetitive tasks.

Specifications

• Manufacturer: Armstrong
• Model Number: 20-428
• Drive Size: 1/2" square drive
• Socket Type: 8-point impact socket
• Socket Size: 7/8"
• Finish: Black oxide
• Weight: 0.6 lb