Studio view of the Gearwrench 21mm deep impact socket standing upright featuring high-visibility laser etched size markings inside a circle and the Gearwrench logo on the black phosphate finish.
Studio view of the Gearwrench 21mm deep impact socket standing upright featuring high-visibility laser etched size markings inside a circle and the Gearwrench logo on the black phosphate finish.
Studio view of the Gearwrench 21mm deep impact socket standing upright featuring high-visibility laser etched size markings inside a circle and the Gearwrench logo on the black phosphate finish.
Studio view of the Gearwrench 21mm deep impact socket standing upright featuring high-visibility laser etched size markings inside a circle and the Gearwrench logo on the black phosphate finish.
GEARWRENCH

Gearwrench Deep Impact Socket 84983 21mm 3/4 Drive Six Point Metric Cr-Mo Steel Manganese Phosphate Off Corner Loading Truck Fastener Maintenance Tool

Only 1 left
SKU: 84983
$19.29 USD

Description

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High-Torque 3/4 Inch Drive Deep Impact Socket with Off-Corner Loading Profile for Heavy-Duty Fleet Maintenance

The Gearwrench 84983 3/4-Inch Drive 21mm Deep Impact Socket is a high-performance industrial fastening tool engineered to withstand extreme shock loads from high-output pneumatic or cordless impact wrenches. Forged from premium Chrome Molybdenum (Cr-Mo) alloy steel, this six-point socket features an extended deep profile optimized to clear long threaded studs and reach recessed structural fasteners safely. The advanced off-corner loading architecture relocates operational stresses away from the corners of the hardware to its flat faces, maximizing manual torque transfer and preventing bolt-head deformation on fleet vehicles and factory plant machinery.

Best Used For:

  • Fleet Vehicle Axle Repair: Servicing high-torque suspension mounts, commercial truck axle nuts, and heavy transport hub assemblies.
  • Long Stud Fastener Clearance: Driving deeply recessed 21mm metric nuts over extended structural tie rods and industrial anchoring studs.
  • Heavy Equipment Maintenance: Extracting corroded or over-tightened structural bolts on agricultural, mining, and manufacturing apparatuses.

Key Performance & Safety Features

  • Chrome Molybdenum Forging: Premium-grade industrial Cr-Mo alloy steel formulation delivers extreme fracture toughness under impact tool stress cycles.
  • Off-Corner Loading Engineering: Six-point internal socket profile redirects high rotational forces to the flats of the nut to eliminate hardware rounding.
  • Manganese Phosphate Barrier: Heavy-duty industrial coating supplies deep corrosion defenses against field moisture and corrosive shop fluids.
  • Dual Visibility Calibration: High-contrast laser-etched metrics paired with permanent hard-stamped dimensions guarantee rapid tool selection.
  • Deep Profile Clearance: Extended 3.543-inch length with an integrated 0.591-inch bolt clearance depth accommodates unhindered deep hardware access.

What's Included

  • (1) 3/4 in. Drive 21mm Deep Impact Socket (84983)

Technical Specifications

Brand Gearwrench
Model Number 84983
Drive Size 3/4 in.
Socket Size 21mm (Approx. 0.827 in.)
Geometry Deep Profile Six-Point Hex
Overall Length 3.543 in.
Drive End Width 1.732 in.
Socket End Width 1.358 in.
Bolt Clearance Depth 0.591 in.
Opening Depth 0.461 in.
Core Material Chrome Molybdenum (Cr-Mo) Alloy Steel
Finish Coating Manganese Phosphate
Impact Rated Yes
Compliance Standards Meets or Exceeds ASME Specifications

Pro-Tip: Before firing up your 3/4-inch impact wrench, visually verify that the deep socket is completely seated over the 21mm hardware flats. Proper engagement allows the off-corner loading walls to distribute extreme peak torque uniformly, safely eliminating any high-load spin slips.