Impact 3/8" Drive Deep Well Sockets


IRWIN Impact Performance Serices Socket #1877479

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Impact 3/8" Drive Deep Well Sockets Features:

  • Six-point deep wells with recessed corners drive torque across the flats for more secure fit and long life
  • Made from heavy-duty chrome molybdenum steel for maximum durability and long life with impact drivers
  • Thin wall construction increases access to tight spaces
  • Permanent, large, laser-etched size markings for easy identification
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Item #DiameterOverall LengthBase Outside DiameterTip Outside DiameterDriveSAE / Metric
18774711/4"2-1/2" / 63mm7/16" / 11mm3/4" / 19mm3/8" SquareSAE
18774725/16"2-1/2" / 63mm31/64" / 12.5mm3/4" / 19mm3/8" SquareSAE
187873611/32"2-1/2" / 63mm33/64" / 13mm3/4" / 19mm3/8" SquareSAE
18774733/8"2-1/2" / 63mm37/64" / 14.5mm3/4" / 19mm3/8" SquareSAE
18774747/16"2-1/2" / 63mm43/64" / 17mm3/4" / 19mm3/8" SquareSAE
18774751/2"2-1/2" / 63mm3/4" / 19mm3/4" / 19mm3/8" SquareSAE
18774769/16"2-1/2" / 63mm51/64" / 20mm51/64" / 20mm3/8" SquareSAE
18774775/8"2-1/2" / 63mm15/16" / 23.8mm15/16" / 23.8mm3/8" SquareSAE
187747811/16"2-1/2" / 63mm1-1/32" / 26mm1-1/32" / 26mm3/8" SquareSAE
18774793/4"2-1/2" / 63mm1-1/16" / 27mm1-1/16" / 27mm3/8" SquareSAE
188233213/16"2-1/2" / 63mm1-3/16" / 30mm1-3/16" / 30mm3/8" SquareSAE
18774807/8"2-1/2" / 63mm1-3/16" / 30mm1-3/16" / 30mm3/8" SquareSAE
188233315/16"2-1/2" / 63mm1-1/4" / 32mm1-1/4" / 32mm3/8" SquareSAE
18823341"2-1/2" / 63mm1-5/16" / 34mm1-5/16" / 34mm3/8" SquareSAE
187748310mm2-1/2" / 63mm19/32" / 15mm3/4" / 19mm3/8" SquareMetric
187748411mm2-1/2" / 63mm43/64" / 17mm3/4" / 19mm3/8" SquareMetric
187748512mm2-1/2" / 63mm3/4" / 19mm3/4" / 19mm3/8" SquareMetric
187748613mm2-1/2" / 63mm7/8" / 22mm7/8" / 22mm3/8" SquareMetric
187748714mm2-1/2" / 63mm7/8" / 22mm7/8" / 22mm3/8" SquareMetric
187748815mm2-1/2" / 63mm29/32" / 22.9mm29/32" / 22.9mm3/8" SquareMetric
187748916mm2-1/2" / 63mm61/64" / 24mm61/64" / 24mm3/8" SquareMetric
187749017mm2-1/2" / 63mm63/64" / 25mm63/64" / 25mm3/8" SquareMetric
187749118mm2-1/2" / 63mm63/64" / 25mm63/64" / 25mm3/8" SquareMetric
187749219mm2-1/2" / 63mm1-1/8" / 27.8mm1-1/8" / 27.8mm3/8" SquareMetric
187749321mm2-1/2" / 63mm1-3/16" / 30mm1-3/16" / 30mm3/8" SquareMetric

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