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Vertical close-up of ASTA black impact socket marked CR-MO 8mm with retaining pin holeAngled view of ASTA 8mm impact socket showing hex recess, CR-MO marking and pin holeLow-angled view showing 1/2-inch square drive end of ASTA black impact socket marked 8mm CR-MO

1/2-Inch Drive Impact Socket, 8mm Hex, 6-Point, Chrome-Molybdenum Steel

Compact 8mm impact socket with 1/2-inch square drive, built for pneumatic tools and heavy fastener work.

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Description

1/2-Inch Drive Impact Socket, 8mm Hex, 6-Point, Chrome-Molybdenum Steel

Brief Overview

This 8mm impact socket is purpose-built for pneumatic impact wrenches and ratchets operating at 1/2-inch drive. Manufactured from chrome-molybdenum steel, it delivers the durability required for high-torque fastening applications. The 6-point hex geometry provides secure engagement without cam-out, making it ideal for precision fastening on smaller fasteners. If you stock a range of impact sockets, this model pairs well with larger 34mm deep-well sockets and other metric sizes to complete your 1/2-inch drive lineup.

Key Features

  • Chrome-Molybdenum Construction: Impact-grade steel resists cracking under repetitive shock loads common in pneumatic tool use.
  • 6-Point Hex Design: Minimizes rounding and cam-out on hex fastener heads, extending both socket and fastener life.
  • Retaining Pin Hole: Pre-drilled through-hole accepts a detent pin or retaining ball, preventing accidental socket separation during use.
  • Compact Proportions: Optimized geometry (17mm outer diameter, 38mm length) ensures accessibility in tight engine bays and mechanical assemblies.
  • Deep-Well Geometry: Stepped shoulder design allows the socket to seat fully over fastener heads while maintaining structural integrity under impact.

Business Advantages for Resellers

  • High Demand, Reliable Margin: 8mm fasteners appear frequently in small-engine repair, motorcycle maintenance, and precision automotive work—steady demand across multiple sectors.
  • Essential for Metric Shops: Completes the 1/2-inch drive metric range; customers often buy in sets, increasing transaction value.
  • Durability = Repeat Sales: Chrome-molybdenum construction resists impact fracture, reducing warranty returns and building customer trust.
  • Professional Positioning: Impact-rated tools signal quality to end-users; positioning this alongside larger sockets strengthens your shop's toolkit reputation.

Technical Specifications

Parameter Value
Socket Size 8 mm (hex)
Drive Size 1/2 inch (square female)
Outer Diameter 17 mm
Wall Thickness 9.5 mm
Overall Length 38 mm
Material Chrome-Molybdenum Steel (Cr-Mo)
Point Configuration 6-point
Retaining Feature Pin hole through body
Application Pneumatic impact tools, fastener removal/installation

Why This Socket Matters

The 8mm size bridges the gap between very small fasteners (5mm, 6mm) and larger general-purpose work (10mm+). In practice, this socket sees heavy rotation in:

  • Small Engine Repair: Carburetor bolts, governor linkage fasteners.
  • Motorcycle Maintenance: Engine cover fasteners, chassis bolts.
  • Precision Assembly: Electronics enclosure fasteners, control panel mounting.

The retaining pin hole is critical in high-vibration environments; it prevents the socket from sliding off the tool during operation, reducing job-site delays and frustration.

Reseller Recommendation

Stock this socket as part of a complete 1/2-inch metric set (8mm through 32mm minimum). Pair it with deeper 34mm variants for customers who work on multi-fastener assemblies. Impact-rated sockets have a lower failure rate than standard sockets, making them a premium offering with justified markup and strong customer retention.


Ready to source? This socket is ideal for shops building impact tool kits or replacing worn sockets in existing sets. Order in bulk to maximize margins and ensure stock availability for your customers' peak seasons.