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How to use a socket set

Updated: October 2026

If a socket rocks on a nut before you apply pressure, stop: extra force will not improve the fit. Learning how to use a socket set begins with matching the drive and opening, seating the socket fully and keeping it square while you turn. The [socket set comparison](/hub/tool-accessories/socket-set) covers current amazon.co.uk options. This guide deals with the technique once the case is on your bench. Set up the tool without load, then pull smoothly. A tilted socket, a near-size substitute or an improvised handle can damage the fastener and the ratchet together. A qualifying purchase can earn a commission at no extra cost to you.

If a socket rocks on a nut before you apply pressure, stop: extra force will not improve the fit.

Our top picks

Bahco Bahco SL25 25-piece

Best overall

Bahco Bahco SL25 25-piece
9.0/10about £21.59
View offer
WORKPRO WORKPRO 108-piece

Alternative

WORKPRO WORKPRO 108-piece
8.6/10about £59.99
View offer
EGOFINE EGOFINE 46-piece 1/4 inch

Best value

EGOFINE EGOFINE 46-piece 1/4 inch
7.6/10about £16.99
View offer
On this page
  1. 1.Before you pull the handle
  2. 2.Extensions and universal joints
  3. 3.When the set itself is the problem
  4. 4.Hand sockets stay off an impact wrench

Before you pull the handle

Choose a ratchet whose square matches the socket. That 1/4, 3/8 or 1/2-inch square is not the opening that fits the fastener. The socket set buying guide covers the drive. If the socket rocks, check metric versus imperial sizes before you try a near size. Press the socket on until the detent clicks, then push it fully over clean flats. Keep the axis in line with the bolt. Set the direction lever before you load the handle, test the free return, and pull with controlled pressure. There is no universal left-or-right rule. Never slide a pipe over an ordinary ratchet. If the specified tool will not move the fastener, reassess size, corrosion and access.

Extensions and universal joints

Use a straight extension when the socket sits square and the handle cannot reach. Keep it in line with the fastener. A stack of adaptors adds play and hides a socket that has walked off the flats. A wobble extension allows a small angle. A universal joint reaches a sharper obstruction. Use a straight route first. A joint at an angle changes how force arrives and can let the socket wander. Do not final-torque through a bent universal joint. Follow the maker’s procedure and use the specified torque tool in a straight line. Wheel work has extra limits, set out in the socket set for car repairs.
Bahco Bahco SL25 25-piece

Testsieger

Bahco Bahco SL25 25-piece
9.0/10about £21.59
View offer

When the set itself is the problem

If a socket will not release, take the load off, support the tool on a bench and press the release while you move the socket in line. Do not strike a loaded ratchet. Stored reviews for both EGOFINE sets mention a jammed ratchet or release, including a grub screw on the 12-piece version. Persistent sticking is a fault, not running-in. If a socket keeps falling off the square, stop using that pair above bodywork or your hands. Under section 9 of the Consumer Rights Act 2015, goods must be of satisfactory quality. The remedy depends on the purchase. Contact the seller with the order details. A broken case clip can spill sockets and mix sizes. A cracked socket, bent extension, damaged square or ratchet that slips under load should come out of service.

Hand sockets stay off an impact wrench

Ordinary chrome hand sockets are for a ratchet or a hand bar unless the manufacturer explicitly rates them for impact use. Shock loading can rupture a hand socket. The WORKPRO mini listing’s stated 52 N·m figure does not make that set a wheel-nut tool or an impact set. Use a correctly sized impact socket, and eye protection, when the job is on a powered impact wrench.

Common questions

Which way should the lever point to undo a nut?
Set the lever before applying force, then test the free return stroke gently. There is no universal left-or-right rule. The loaded stroke must turn the fastener in its loosening direction. If you are uncertain, reposition yourself and verify without force.
How do I stop the socket slipping off?
Use the exact system and size, clean the fastener head and push the socket fully onto the flats. Keep the socket square while applying smooth pressure, using your free hand for control only where it is safe. If it still rocks, stop rather than compensating with more force.
When should I add an extension?
Add a straight extension when surrounding parts prevent the ratchet from reaching while the socket can remain aligned. Use the shortest arrangement that provides access. An extension should improve positioning. If it creates a flexible stack of adaptors or makes the socket tilt, choose another approach.
Can I tighten a critical bolt through a universal joint?
Avoid final tightening through a universal joint operating at an angle. The angle changes how torque is transmitted, so the reading at the handle may not equal what reaches the fastener. Follow the manufacturer’s procedure and use the specified torque wrench in a straight arrangement whenever possible.
What if the socket will not leave the ratchet?
Unload the tool, support it on a bench and press the release while moving the socket gently in line. Do not use a pipe, heavy blows or uncontrolled gripping. If the mechanism remains jammed during ordinary use, document the problem and contact the seller rather than dismantling a new tool.
Is it safe to put a tube on the handle?
No, not on an ordinary ratchet. A tube greatly increases leverage beyond the handle’s intended use and can break the pawl, square or socket suddenly. Use the correct purpose-made hand tool and procedure for a stubborn fastener, or stop and seek professional help when safety-critical parts are involved.
Can I keep using the tools if the case clip snapped?
Undamaged tools may remain usable, but not loose in a case that can open unexpectedly. Store each item securely and inspect it before use. A cracked socket, slipping ratchet or damaged square is different: remove that component from service rather than assuming the case was the only failure.

Related pages

Best socket set

Socket set

Socket set buying guide: choose the useful sizes first

Socket set for car repairs: where a general kit stops

Metric or imperial socket set: which system do you need?

Sources

Public UK and standards sources named for drive size, metric and AF, impact sockets, and satisfactory quality. amazon.co.uk prices, stars, and review counts are the figures stored for these ten listings. Prices move.

  1. RS, socket sets guide (retrieved October 2026)
  2. Toolden, choosing a socket set (retrieved October 2026)
  3. Auto Express, socket set sizes for a workshop (retrieved October 2026)
  4. ISO 1174-1:2011, assembly tools for screws and nuts, driving squares (retrieved October 2026)
  5. ISO 3315:2018, assembly tools, driving parts for hand-operated square-drive socket wrenches (retrieved October 2026)
  6. Chicago Pneumatic UK, which socket to use on an impact wrench (retrieved October 2026)
  7. Consumer Rights Act 2015, section 9 (retrieved October 2026)
  8. Halfords, imperial vs metric tools (retrieved October 2026)