Extra long SDS drill bit sets for drilling up to 1.7m into brickwork

Price incl. VAT
(Out of stock)


These extra long SDS drill bit sets have been put together specifically for use with the Twistfix extra long structural ties.  The sets are ideal for progressive drilling relatively small diameter holes deep into masonry and brick walls with 8mm and 10mm drill bits in lengths of up to 1750mm.

The tungsten-carbide tipped SDS bits are for use only in professional hammer drilling machines fitted with a standard SDS chuck.

8mm diameter Long Drill Bit Sets comprise SDS bits of the following sizes:

     600mm    1000mm   1250mm   1500mm 
   8mm x 1250mm Set   
   8mm x 1500mm Set   

10mm diameter SDS Drill Bit Sets comprise bits of the following length:

    1000mm   1250mm   1500mm   1750mm 
 10mm x 1250mm Set     
 10mm x 1500mm Set     
 10mm x 1750mm Set   

These long drill bits have an excessive length to slenderness ratio; care must be taken in use to reduce the incidence of bending or breaking..  If the bits are not used progressively or are used with excessive weight being added to the drill then you will bend or break them before you wear them out.  It is important to start with the shortest bit, working progressively through each length and to let the drilling machine do the work.  It is also recommended that initial holes are made using smaller, standard size drill bit.


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