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3/4-inch drive socket, 1-3/8-inch size, black phosphate finish, six-point design

Dynamic

Dynamic D020344 3/4" Drive Standard Socket 1-3/8" 6 Point

SKU CH-9C7X-8ZZ73

A 3/4" drive standard socket with 6-point design and corrosion-resistant black phosphate finish

  • 3/4" drive fits heavy-duty ratchets for high-torque jobs
  • 1-3/8" 6-point opening grips fastener flats to reduce rounding
  • Black phosphate coating resists corrosion in damp garage environments
  • Laser-etched size markings stay legible after repeated use
  • Manufactured to ANSI dimensional standards for reliable fit

3/4-Inch Drive Standard Socket

The Dynamic D020344 is a 3/4-inch drive standard socket built for heavy-duty fastening tasks. It features a 1-3/8-inch size with a six-point drive configuration. A black phosphate finish provides corrosion resistance for workshop durability. Large laser-etched markings allow quick size identification during use.

Mechanics needing high-torque socket reliability

This socket suits professional mechanics and technicians working on large equipment or commercial vehicles. It meets ANSI standards for dependable performance under load. Buyers requiring impact-rated tools should verify compatibility before purchase. Those needing smaller drive sizes or metric dimensions must select a different product.

Six-point 1-3/8-inch SAE sizing

The single specification that decides fitment is the six-point 1-3/8-inch SAE size on a 3/4-inch drive. This exact combination determines whether the socket engages the specific fastener correctly. Confirm the fastener measurement and drive requirement match these details precisely. An incorrect size or point count will prevent proper engagement.

Highlights

  • 3/4" drive fits heavy-duty ratchets for high-torque jobs
  • 1-3/8" 6-point opening grips fastener flats to reduce rounding
  • Black phosphate coating resists corrosion in damp garage environments
  • Laser-etched size markings stay legible after repeated use
  • Manufactured to ANSI dimensional standards for reliable fit

Specifications

BrandDYNAMIC

Questions about this item

Which drive size fits a 3/4" ratchet or breaker bar?

The socket has a 3/4" square drive that matches 3/4" ratchets and impact tools directly.

What does the 1-3/8" marking mean when I put the socket on a fastener?

It indicates the opening fits a 1-3/8" SAE hex nut or bolt head with a six-point grip.

How does the ANSI standard affect torque capacity on this socket?

ANSI specs define wall thickness and hardness so the socket withstands normal 3/4" drive torque without rounding.

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