Match the spanner to the fastener's system, as the sizes are not interchangeable. Metric sizes in millimetres suit most modern vehicles and machinery, imperial sizes in inches, such as 1/4 inch, suit older and American equipment, and Whitworth suits older British machinery. Spanner Sets includes both metric and imperial combination sets, for example 12 piece metric and 11 piece imperial.
Combination spanner sizes named on this page start at 6mm and run through common workshop sizes such as 10mm, 13mm, 17mm and 19mm, up to large sizes such as 33mm, 36mm and a 65mm long pattern spanner. The size is the distance across the flats of the nut or bolt head, so measure that instead of the thread.
Long and extra-long spanners give more leverage and reach for tight or recessed fasteners. Stubby and short pattern spanners fit where there is little room to swing the handle. Midget spanners are small, slim tools for fine work, in sizes such as 5 x 5.5mm and 7mm. Examples here include long pattern combination spanners and stubby ratchet spanners.
The ring ends are set down at a steep angle from the handle, so the spanner drops over recessed nuts and keeps your hand clear of the surrounding surface. Ring Spanners lists deep crank and deep offset patterns in paired sizes, for example 20 x 22mm, 21 x 23mm and 24 x 26mm metric and 5/16 x 3/8 inch imperial, plus an 8 piece set.
It has a ratcheting ring that pivots on the handle, so it can be angled to reach fasteners around obstructions and turned without lifting it off the nut. Ratcheting Spanners lists flexible head types in sizes such as 8mm, 10mm, 17mm and 18mm, including stubby versions, and 6 and 12 piece metric sets are listed too.
A slogging spanner is a short, heavy single-ended spanner with a striking face on the end of the handle. It is hit with a hammer to tighten or free large or seized fasteners where a normal spanner cannot apply enough force. Ring and open-end types are listed here, in sizes including 32mm and 55mm.
Spanners
This category covers spanners for tightening and loosening nuts and bolts in workshop, vehicle and site work. Combination Spanners is the largest page, alongside Ratcheting Spanners, Open Ended Spanners, Ring Spanners, Spanner Sets and Flare Nut Spanners. The range covers metric and imperial sizes, long pattern and stubby designs, reversible ratcheting combination spanners, deep crank ring spanners, obstruction spanners, VDE insulated spanners and chrome vanadium combination spanners.
Brands include Draper, Sealey and Sykes Pickavant. Choose the head type for the job: ring ends grip the fastener on all sides and suit tight or stubborn nuts, open ends slip on where a ring cannot, and ratcheting spanners speed up work in restricted spaces. Use flare nut spanners on brake and fuel pipe unions to reduce the risk of rounding the nut.
Match the spanner to the fastener's system, as the sizes are not interchangeable. Metric sizes in millimetres suit most modern vehicles and machinery, imperial sizes in inches, such as 1/4 inch, suit older and American equipment, and Whitworth suits older British machinery. Spanner Sets includes both metric and imperial combination sets, for example 12 piece metric and 11 piece imperial.
Combination spanner sizes named on this page start at 6mm and run through common workshop sizes such as 10mm, 13mm, 17mm and 19mm, up to large sizes such as 33mm, 36mm and a 65mm long pattern spanner. The size is the distance across the flats of the nut or bolt head, so measure that instead of the thread.
Long and extra-long spanners give more leverage and reach for tight or recessed fasteners. Stubby and short pattern spanners fit where there is little room to swing the handle. Midget spanners are small, slim tools for fine work, in sizes such as 5 x 5.5mm and 7mm. Examples here include long pattern combination spanners and stubby ratchet spanners.
The ring ends are set down at a steep angle from the handle, so the spanner drops over recessed nuts and keeps your hand clear of the surrounding surface. Ring Spanners lists deep crank and deep offset patterns in paired sizes, for example 20 x 22mm, 21 x 23mm and 24 x 26mm metric and 5/16 x 3/8 inch imperial, plus an 8 piece set.
It has a ratcheting ring that pivots on the handle, so it can be angled to reach fasteners around obstructions and turned without lifting it off the nut. Ratcheting Spanners lists flexible head types in sizes such as 8mm, 10mm, 17mm and 18mm, including stubby versions, and 6 and 12 piece metric sets are listed too.
A slogging spanner is a short, heavy single-ended spanner with a striking face on the end of the handle. It is hit with a hammer to tighten or free large or seized fasteners where a normal spanner cannot apply enough force. Ring and open-end types are listed here, in sizes including 32mm and 55mm.
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