Workshopparts
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Single Sizes

Replace a lost socket or fill the missing size in your set. This category lets you order sockets individually. Check the drive size for your ratchet, often 1/4, 3/8, or 1/2 inch. The profile determines whether the socket fits hex or bi-hex fasteners. Choose the length: short for standard tasks, long for recessed areas. The finish affects grip and corrosion resistance. Buy only the size you lack.

36 products

Buy a single socket

Which size and type do you need?

You buy a loose socket for your ratchet. The size is in millimetres or inches. First check whether the socket fits the bolt or nut. The profile must match the shape of the head. A hexagon profile grips the hexagon of the bolt. A twelve-point profile also fits a hexagon, but grips less flat. For seized bolts, choose a hexagon profile. It grips more firmly and prevents rounding.

Where does ordering go wrong?

The drive on your ratchet is decisive. Most ratchets have a square drive of 1/4, 3/8 or 1/2 inch. A 1/2 inch socket does not fit a 3/8 inch ratchet. Measure the drive of your ratchet before ordering. Also look at the length of the socket. A short socket is for tight spaces. A long socket reaches deeper points, like spark plugs. Choose the length that fits the job.

Why the finish matters

The finish determines how the socket feels in your hand and how long it lasts. A chrome-plated socket is smooth and corrosion-resistant. Use it for normal work. A black oxide socket has a rougher surface. It gives more grip on the bolt, but rusts faster. For daily workshop use, choose chrome. For heavy work with high torque, choose an impact socket. It is thicker and can handle an impact wrench.

You order a single size when your set has a gap, but a complete set is sometimes better value. Take a look at assortments and compare the size range. If your size is not in a standard set, stick with single sizes. If you would rather have a fixed set with the common sizes, look at double open end spanners.