Fast shipping and the product is genuinely excellent. Highly recommend.
Carlos M.
✓ Business Owner
Can't find the exact part? Request it and we'll source it for you.
The GRW80577 is a bit socket set with a 3/8 inch drive tang, covering Phillips, slotted, and Pozidriv drive types to a maximum set size of 6 mm and #3. It is standard length, with a full polish chrome holder and black oxide bit, in alloy steel with an S2 steel bit.
The S2 steel specification is the one worth noticing. S2 is a shock-resisting tool steel, and it is used for bits rather than ordinary alloy steel for a specific reason: a bit driven by a ratchet or an impact tool takes sudden torsional loading, and a steel that is merely hard will shatter under it. S2 is formulated to be hard enough to resist wear while tough enough to absorb shock without fracturing. It is the correct choice for a bit that will see power tools.
The set's inclusion of both Phillips and Pozidriv deserves attention, because the two are routinely confused. Pozidriv looks like Phillips but carries additional ribs and different flank angles, and they are not interchangeable — the wrong driver cams out and destroys the recess. Carrying both means the technician can use the right one rather than the near-enough one.
Bit sockets rather than screwdrivers is a deliberate format: they run on a ratchet, an extension, or a driver, which gives access and torque a screwdriver cannot.
Applications include assembly, equipment maintenance, and general repair.
Need help finding the right part?
Fill out a request and our team will get back to you shortly.
Fast shipping and the product is genuinely excellent. Highly recommend.
Carlos M.
✓ Business Owner
No complaints at all — did the job perfectly and feels durable.
James T.
✓ Maintenance Tech
Perfect fit and finish. You can tell it's a quality part.
Carlos B.
✓ Verified Buyer
Decent enough but the quality feels a little cheaper than the photos.
Steven Z.
✓ Contractor
Fast shipping and the product is genuinely excellent. Highly recommend.
Daniel P.
✓ Business Owner
Fit perfectly and did the job the first time. Couldn't ask for more.
Laura H.
✓ Verified Buyer
Toll-Free: (945) 427-9519