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The Proto PRO7021M is a deep 6-point impact socket designed for 3/8" drive impact tools, delivering reliable torque transfer on 21mm fasteners. The 6-point design maximizes contact with fastener flats, reducing the risk of rounding during heavy-duty industrial applications.
Built to Proto Industrial standards, this deep socket provides the extra reach needed to access recessed or stubbed fasteners in MRO, automotive, and manufacturing environments where precision and durability are essential.
2 days
The Proto J7221M 3/8-inch drive impact socket is engineered for use with impact wrenches and air tools, delivering reliable torque transfer in demanding industrial, automotive, and MRO applications...
MILWAUKEE HAND TRUCKS
The SHOCKWAVE Impact Duty Deep Socket is engineered for demanding impact driver applications, featuring a 3/8" drive and 21mm opening with a 6-point design that maximizes contact on fastener flats to...
The Proto PRO07521M is a 21mm 6-point impact socket designed for use with 3/4 in drive impact wrenches. Built for industrial and MRO applications, its 6-point design provides superior grip and...
The Proto PRO5021MH Torqueplus™ Metric Deep Socket features a 3/8 in drive and 21mm opening with a 6-point design that grips fastener flats rather than corners, reducing the risk of rounding and...
The Proto PRO7720H is a 6-point deep impact socket designed for use with 3/8" drive impact wrenches and ratchets. Its deep well design provides extra reach for recessed fasteners, studs, and extended...
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