3/8" Square Drive Sockets
3/8" drive sockets offer the ideal balance between strength and size — popular with mechanics, M&E trades and installers. Whether you’re after a full set, individual pieces or impact-rated options, we’ve got 3/8" sockets to cover every fix-down job.
Where Are 3/8" Drive Sockets Used?
A go-to size for mobile fixings and mid-size torque work:
- Automotive Work – Great for engine bay access, mid-torque bolts and suspension jobs
- Electrical & M&E – Fixing panels, brackets and framework on site
- General Building – Running bolts into posts, joists or fix-down points
- Assembly Work – Ideal for fitting threaded components with precision
Used By:
- Mechanics, electricians and HVAC techs
- General trades using compact impact tools
- Installers needing lightweight reach and control
Choosing the Right 3/8" Socket
Drive match, depth and material rating make all the difference:
1. Socket Type
Standard 6-point or 12-point for general use. Impact sockets for high-torque power tools.
2. Depth Style
Shallow for speed and tight access. Deep for studs, bolts and fixings in recesses.
3. Finish & Build
CrMo (chrome molybdenum) for impact. CrV (chrome vanadium) for ratchet work. Black oxide or chrome-plated for corrosion resistance.
Top Brands for 3/8" Sockets
Durable options across trade and site use:
1. Milwaukee
Shockwave and forged sockets designed for 3/8" cordless impacts and hand tools.
2. DeWalt & Makita
Reliable sockets for compact wrenches and general ratchet use — impact and standard rated.
3/8" Socket FAQs
Can I use 3/8" sockets with a 1/2" wrench?
Yes — but you’ll need an adaptor. Always make sure it’s impact-rated if using with power tools.
Are 3/8" sockets strong enough for heavy-duty use?
Yes — impact versions made from CrMo steel can handle serious torque loads when matched to compatible tools.
What size bolts fit 3/8" sockets?
3/8" drive fits a wide range of socket sizes from approx. 7mm to 22mm. Always check specific socket markings for exact fit.
Can I buy these as singles or just in sets?
We stock both individual 3/8" sockets and full kits — ideal for topping up or building custom setups.