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Silver metal socket adapter with 3/8 inch square drive and quarter inch hex shank

Tuff Stuff

Tuff Stuff BH38300 3/8" Square Socket Adapter 3" pneumatic accessory

SKU CH-6WYZ-MP91B MPN BH38300

A 3/8-inch square socket adapter with a 1/4-inch shank for use with drills or screwdrivers

  • Product typeDrill Bits
  • Sold asEach
  • Converts a 1/4" drill chuck to a 3/8" square drive
  • Three-inch length reaches recessed fasteners without an extension
  • Single-ended design keeps the profile slim for tight spaces
  • General-purpose build handles household, shop and garage tasks
  • Shank fits standard 1/4" hex drivers for quick changes

Socket Adapter for 1/4" Drills

The Tuff Stuff BH38300 is a 3/8 inch square socket adapter built for drills and screwdrivers that accept a 1/4 inch shank. It lets you drive sockets with a standard drill instead of a dedicated ratchet. This suits DIYers and technicians who need occasional socket work without buying a separate impact driver. It is not for users who need high-torque impact-rated accessories or a full socket set.

Durable Steel Construction

The adapter is made from hardened steel to resist rounding under normal hand-drill torque. No moving parts means no vibration or noise beyond the drill itself. Power draw depends entirely on the drill motor and the fastener resistance. Heat buildup is minimal during typical intermittent tightening or loosening tasks around the house or shop.

3-Inch Reach with 1/4" Shank

The three-inch length provides extra reach into recessed bolts without a bulky extension bar. The 1/4 inch hex shank locks into quick-change chucks for fast swaps between drilling and driving. Single-ended design keeps the profile slim for tight corners. Buyers needing double-ended flexibility or impact-rated locking mechanisms should look elsewhere.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $2.99
Cheaper than about 97% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameTuff Stuff
Model nameBH38300
Product typeDrill Bits

Questions about this item

How do I install the 3/8" square socket adapter onto my drill?

Insert the 1/4" shank fully into the drill chuck and tighten securely. The step often missed is not seating the shank deep enough, which causes wobble under torque.

What maintenance will the BH38300 adapter need over time?

Wipe the square drive clean after each use and apply a light coat of machine oil to prevent rust. Inspect the 1/4" shank for rounding; replace the adapter if the shank no longer grips firmly in the chuck.

What is the first limit I will hit when using this 3-inch adapter continuously?

The 3-inch length creates leverage that amplifies side load on the 1/4" shank. Under sustained high torque the shank will flex or slip in the chuck before the square drive itself fails.

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