GearWrench Impact Socket Set 84940 7 Piece 1/2 Inch Drive (Metric 9mm to 15mm Cr Mo Steel Hex Bit Off Corner Loading Industrial Auto Repair)

In stock
SKU: 84940
Regular price $29.99 USD

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GearWrench 84940 7-Piece 1/2-Inch Drive Metric Hex Bit Impact Socket Set

The GearWrench 84940 7-Piece 1/2-Inch Drive Metric Hex Bit Impact Socket Set is an industrial fastener engagement tool system engineered for high-torque rotary impact application across 9mm to 15mm internal hex fasteners. Forged from drop-forged chrome-molybdenum alloy steel (Cr-Mo) with a manganese phosphate corrosion barrier, this 1.87-pound socket set mates with 1/2-inch drive impact wrenches. Featuring off-corner loading technology to reduce hex fastener rounding, this 7-piece impact-rated collection solves stubborn seized bolt removal and socket slippage challenges across automotive repair and heavy machinery maintenance.

Best Used For:

  • Automotive Brake & Suspension Servicing: Removing seized internal hex caliper bolts, subframe fasteners, and suspension linkage bolts with high-torque impact guns.
  • Industrial Machinery Maintenance: Driving 9mm through 15mm internal hex cap screws on manufacturing equipment and hydraulic pump assemblies.
  • Heavy Equipment Repair: Servicing industrial machinery, drivetrain housings, and motor mounts subjected to extreme torque and road vibration.

Key Performance & Safety Features

  • Chrome-Molybdenum (Cr-Mo) Alloy Steel: High-tensile forged steel construction withstands repeated shock loads from high-torque pneumatic and cordless impact wrenches.
  • Off-Corner Loading Geometry: Drives the flat sides of internal hex fastener sockets rather than the corners to maximize torque delivery and prevent rounding.
  • Manganese Phosphate Coating: Protective chemical conversion finish delivers superior corrosion resistance against oil, grease, and shop solvents.
  • Dual Size Marking System: Features high-visibility laser-etched markings alongside hard-stamped size identification for rapid identification after heavy use.
  • Pin Hole Anvil Retention: Integrated pin hole allows secure attachment to impact wrench drive anvils using standard retaining pins and O-rings.
  • ASME B107.2 Certified: Rigorously tested and certified to meet or exceed industrial safety and performance standards for impact socket tools.

What's Included

  • (1) 1/2 in. Drive Metric Hex Bit Impact Socket - 9 mm
  • (1) 1/2 in. Drive Metric Hex Bit Impact Socket - 10 mm
  • (1) 1/2 in. Drive Metric Hex Bit Impact Socket - 11 mm
  • (1) 1/2 in. Drive Metric Hex Bit Impact Socket - 12 mm
  • (1) 1/2 in. Drive Metric Hex Bit Impact Socket - 13 mm
  • (1) 1/2 in. Drive Metric Hex Bit Impact Socket - 14 mm
  • (1) 1/2 in. Drive Metric Hex Bit Impact Socket - 15 mm
  • (1) Storage Socket Rail

Technical Specifications

Manufacturer Brand GearWrench
Model Number / Part ID 84940
Drive Tang Size 1/2 in. Square Drive
Metric Fastener Size Range 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm
Socket Fastener Drive Type Internal Metric Hex Bit
Material Composition Chrome-Molybdenum (Cr-Mo) Alloy Steel
Protective Surface Finish Manganese Phosphate Coating
Socket Length Format Standard Length Bit Sockets
Industrial Certification Meets or Exceeds ASME B107.2
Total Set Piece Count 7 Sockets plus Storage Rail
Set Catalog Net Weight 1.87 lbs (0.85 kg)
Product Warranty Coverage Full Lifetime Warranty
Pro-Tip: Clean accumulated brake dust or road grime out of internal hex socket heads with a wire brush prior to inserting the hex bit socket to ensure 100% engagement and prevent premature bit tipping under impact load.