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A 4 1/2' angle grinder is a versatile tool that can be used for numerous applications. They can be used to grind, cut and polish a range of materials such as metal, tile and stone. A 115mm grinder is useful for smaller jobs since it is lightweight and relatively manoeuvrable.

  • Disc diameter is the key choice to make when selecting an angle grinder. They range in disc diameter size from 4' (100mm) - 9' (230mm) with the 4.1/2' (115mm) & 9' (230mm) grinders being the most popular choices. Smaller grinders rotate the discs at a higher speed. 4.1/2' is one of the most popular disc diameter choices.
  • Choosing your power source: The first choice is between a mains (110v or 240v) or a cordless tool. 240v tools are used with normal mains power whilst 110v tools are used on construction sites for safety reasons.
  • With regards to cordless (battery powered) tools there are a variety of chemical types; Li-ion is the latest technology, prior to that it was Ni-MH and Ni-Cad was the original. The higher the Ah (Ampere hours) the longer the interval between charges; the fewer times you recharge a battery the longer it will last. Some cordless tools can also come without batteries - sometimes referred to as naked, bare units or body only. These tools are supplied without a battery or charger and more often than not without any accessories; as a result they are significantly cheaper in price.
Read more in our buying guide: Howe to Buying Guide
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  1. BLACK & DECKER BEG010A5

    BLACK & DECKER BEG010A5

    240v Angle grinder - 4.1/2" (115mm) Learn More
    £33.00
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  2. BLACK & DECKER BEG210K

    BLACK & DECKER BEG210K

    240v Angle grinder - 4.1/2" (115mm) Learn More
    £43.00
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  3. BOSCH GREEN PWS 700-115

    BOSCH GREEN PWS 700-115

    240v Angle grinder - 4.1/2" (115mm) Learn More
    £49.00
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  4. BOSCH GWS 18 VLI CTN

    BOSCH GWS 18 VLI CTN

    18v Angle grinder - 4.1/2" (115mm) Learn More
    £124.00
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  5. BOSCH GWS 18 VLI BODY LBOX

    BOSCH GWS 18 VLI N

    18v Angle grinder - 4.1/2" (115mm) Learn More
    £137.00
    Out of stock
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  6. BOSCH GWS 18V-7 B_L KIT

    BOSCH GWS 18V-7

    18v Angle grinder - 4.1/2" (115mm) Learn More
    £249.00
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  7. BOSCH GWS 18V-7 BODY

    BOSCH GWS 18V-7 N

    18v Angle grinder - 4.1/2" (115mm) Learn More
    £108.00
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  8. BOSCH GWS 7-115

    BOSCH GWS 7-115

    240v Angle grinder - 4.1/2" (115mm) Learn More
    £58.00
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  9. BOSCH GWS 7-115

    BOSCH GWS 7-115

    110v Angle grinder - 4.1/2" (115mm) Learn More
    £54.00
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  10. BOSCH GWS 750

    BOSCH GWS 750

    240v Angle grinder - 4.1/2" (115mm) Learn More
    £43.00
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  11. BOSCH GWS 750

    BOSCH GWS 750

    110v Angle grinder - 4.1/2" (115mm) Learn More
    £43.00
    Out of stock
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  12. BOSCH GWS 880

    BOSCH GWS 880

    240v Angle grinder - 4.1/2" (115mm) Learn More
    £72.00
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