***Check bolt head size before ordering sockets***

Tired of stripping the corners of your architectural square-headed bolts?

Try using a socket that fits the number of corners on your square head bolts.

These 4-point sockets for square-head bolts fit many of the common head sizes we sell.

Our 4-point sockets are 1/2" drive-impact sockets and should work for any job requiring square-headed bolts.

Sometimes these are referred to as female pipe plug sockets

Sockets for square-head bolts and square nuts.

Bolts and screws are classified by their shank or shaft size.

• 5/16" socket fits most 3/16" bolts
• 3/8" socket fits most 1/4" bolts
• 7/16" socket fits some 1/4" bolts
• 1/2" socket fits most 5/16" bolts
• 13mm socket fits our Pyramid head bolts
• 9/16" socket fits most 3/8" bolts
• 5/8" socket for most 7/16" square bolts
• 3/4" socket fits most 1/2" bolts

**Verify the head size of the bolt before you order**