We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
28mm stubby impact socket, 1/2 inch drive, manganese phosphate finish

Capri Tools

Capri Tools CP55428 28mm Stubby Impact Socket 12 Drive 6Point Metric tool storage

SKU CH-E5JF-HG3S5

A 28 mm stubby impact socket with a 12 in drive and 6-point WaveDrive design for high-torque use in tight spaces

  • Stubby length reaches fasteners 20% shorter than standard sockets
  • Chrome Molybdenum steel handles high torque from power tools
  • Manganese phosphate coating resists corrosion better than black oxide
  • 6-point WaveDrive design prevents fastener rounding under load
  • Meets ASME B107110 impact socket standards

28 mm 12 in Drive Impact Socket

The Capri Tools CP55428 is a stubby metric impact socket built for professional mechanics and serious DIY users. It uses Chrome Molybdenum steel with a proprietary heat treatment to handle high torque from power tools. A manganese phosphate coating provides military-grade corrosion resistance. The 6-point WaveDrive design grips flats tightly to prevent fastener rounding.

Fits tight clearances; not for deep reach

This socket is 20 units shorter than shallow-length versions, making it ideal for confined engine bays and suspension work. Buyers who need extended reach for recessed bolts should look at deep-well alternatives. It meets ASME B107110 standards for professional use. The product carries a California Proposition 65 warning for chemical exposure.

Holds up to repeated high-torque cycles

The heat-treated Chrome Molybdenum construction resists deformation under sustained impact loads better than standard alloys. Manganese phosphate coating maintains surface integrity longer than black oxide under heavy daily use. WaveDrive geometry distributes stress across fastener flats during continuous operation. This reduces wear on both socket and fastener during extended jobs.

Highlights

  • Stubby length reaches fasteners 20% shorter than standard sockets
  • Chrome Molybdenum steel handles high torque from power tools
  • Manganese phosphate coating resists corrosion better than black oxide
  • 6-point WaveDrive design prevents fastener rounding under load
  • Meets ASME B107110 impact socket standards

Specifications

BrandCAPRI TOOLS

Questions about this item

What drive-size impact wrench do I need to use the 12-inch drive on this 28 mm socket?

You need an impact wrench with a 12-inch square drive; the socket will not fit smaller drives.

Will the 20-percent shorter stubby length still reach fasteners on my older shallow-depth bolts?

The stubby design is 20 percent shorter than a standard shallow socket, so it reaches the same bolts in tighter spaces.

How can I verify the 6-point WaveDrive profile is gripping the 28 mm fastener correctly after I install it?

The socket should seat fully without play, and the manganese phosphate coating will show even contact marks on the fastener flats when torqued.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.