Combination Spanners

Combination spanners, also known as combi spanners, are hand tools used for tightening and loosening nuts or bolt heads with a hexagonal shape. They are typically made from hardened chrome vanadium steel or beryllium copper and typically comprise of a ring on one end and an open jaw on the other.

The ring end recess is generally a six-point or twelve-point opening and sometimes offers a ratchet mechanism that helps apply maximum force with minimal user effort. Combination wrenches are available in most metric (mm) and imperial (inch) sizes to allow for greater functionality across a wider range of applications.

Popular combination spanners

  • Ratchet End / Open-End - Consists of a ratchet ring spanner at one end and a standard open end at the other.
  • Height Safe spanner - A ring hook is attached to the handle that can be securely attached to a wrist strap for working at height
  • Non-sparking spanner - Ideal for use in potentially explosive environments such as Power stations, Paint Manufacturing, Oil Plants, Distilleries, Fire-fighting, Aerospace industry.

Imperial Spanners

Imperial spanners use the AF (Across Flats) system, where the measurement is taken between two parallel sides of the fastener. An inch spanner will fit an inch fastener.

Metric Spanners

Metric refers to the size of the thread rather than the size of the head of the fastener. Common sizes include M6, M8, M10 and M12. The ’M’ prefix is short for metric while the number indicates the width of the threaded section. For example, while there can be a few variations in millimetres, you would normally see a 10 mm spanner being used for an M6 fastener.

Typical Application:

Combi spanners are used by:

  • Mechanics
  • Electricians
  • Network Engineers
  • DIY Enthusiasts

...
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Description Price Spanner Type Imperial Size Imperial or Metric Metric Size Overall Length VDE/1000V Approved Double Ended Material Height Safe Offset Finish Non Sparking Size Priced to Clear
RS Stock No. 495-3447
BrandRS PRO
£3.58
Each
Units
Combination Spanner - Metric 10mm 161 mm - Yes Chrome Vanadium Steel - - Chrome - 10 mm -
RS Stock No. 495-3475
BrandRS PRO
£4.46
Each
Units
Combination Spanner - Metric 13mm 180 mm - Yes Chrome Vanadium Steel - - Chrome - 13 mm -
RS Stock No. 495-3510
BrandRS PRO
£7.27
Each
Units
Combination Spanner - Metric 17mm 227 mm - Yes Chrome Vanadium Steel - - Chrome - 17 mm -
RS Stock No. 495-3532
BrandRS PRO
£8.91
Each
Units
Combination Spanner - Metric 19mm 250 mm - Yes Chrome Vanadium Steel - - Chrome - 19 mm -
RS Stock No. 495-3677
BrandRS PRO
£2.93
Each
Units
Combination Spanner - Metric 8mm 136 mm - Yes Chrome Vanadium Steel - - Chrome - 8 mm -
RS Stock No. 495-3598
BrandRS PRO
£12.68
Each
Units
Combination Spanner - Metric 24mm 317 mm - Yes Chrome Vanadium Steel - - Chrome - 24 mm -
RS Stock No. 495-3661
BrandRS PRO
£2.94
Each
Units
Combination Spanner - Metric 7mm 129 mm - Yes Chrome Vanadium Steel - - Chrome - 7 mm -
RS Stock No. 495-3649
BrandRS PRO
£51.58
Each
Units
Combination Spanner - Metric 36mm 510 mm - Yes Chrome Vanadium Steel - - Chrome - 36 mm -
RS Stock No. 495-3611
BrandRS PRO
£20.84
Each
Units
Combination Spanner - Metric 30mm 394 mm - Yes Chrome Vanadium Steel - - Chrome - 30 mm -
RS Stock No. 495-3605
BrandRS PRO
£16.85
Each
Units
Combination Spanner - Metric 27mm 362 mm - Yes Chrome Vanadium Steel - - Chrome - 27 mm -
RS Stock No. 495-3655
BrandRS PRO
£2.89
Each
Units
Combination Spanner - Metric 6mm 124 mm - Yes Chrome Vanadium Steel - - Chrome - 6 mm -
RS Stock No. 495-3627
BrandRS PRO
£24.79
Each
Units
Combination Spanner - Metric 32mm 429 mm - Yes Chrome Vanadium Steel - - Chrome - 32 mm -
RS Stock No. 495-3481
BrandRS PRO
£5.38
Each
Units
Combination Spanner - Metric 14mm 193 mm - Yes Chrome Vanadium Steel - - Chrome - 14 mm -
RS Stock No. 495-3560
BrandRS PRO
£11.57
Each
Units
Combination Spanner - Metric 22mm 295 mm - Yes Chrome Vanadium Steel - - Chrome - 22 mm -
RS Stock No. 495-3497
BrandRS PRO
£6.05
Each
Units
Combination Spanner - Metric 15mm 200 mm - Yes Chrome Vanadium Steel - - Chrome - 15 mm -
RS Stock No. 495-3526
BrandRS PRO
£7.69
Each
Units
Combination Spanner - Metric 18mm 239 mm - Yes Chrome Vanadium Steel - - Chrome - 18 mm -
RS Stock No. 495-3453
BrandRS PRO
£3.66
Each
Units
Combination Spanner - Metric 11mm 168 mm - Yes Chrome Vanadium Steel - - Chrome - 11 mm -
RS Stock No. 495-3469
BrandRS PRO
£4.33
Each
Units
Combination Spanner - Metric 12mm 174 mm - Yes Chrome Vanadium Steel - - Chrome - 12 mm -
RS Stock No. 495-3504
BrandRS PRO
£6.78
Each
Units
Combination Spanner - Metric 16mm 207 mm - Yes Chrome Vanadium Steel - - Chrome - 16 mm -
RS Stock No. 495-3683
BrandRS PRO
£3.28
Each
Units
Combination Spanner - Metric 9mm 149 mm - Yes Chrome Vanadium Steel - - Chrome - 9 mm -