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Discuss HSS Drills any one know good quality make in the Electrical Tools and Products area at ElectrciansForums.co.uk.

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  1. the pict
    Offline

    the pict Trusted Advisor

    Location:
    Brodick
    Business Name:
    Devlin Maguire Electrical
    I am about 3/4 the way through a trailer build all stick welded, and now I am attaching lash points etc I bought a well known diy brand but got 2 x 8mm holes and its knackered I know I can be a bit heavy handed at times but come on 2 holes, so I am looking for what my Granddad used to call blacksmith standard they were bloody dear back in the day so heaven knows what they will be now but advice is welcome
    Pict
     
  2. Strima
    Offline

    Strima Electrician's Arms

    Location:
    St Neots
    Any decent brand will do, not Erbauer or Titan etc.

    A good drill speed, not too fast with a decent amount of pressure and most importantly some lube on the bit. Keep it cool and just munch your way through.

    Combi drill on a slow speed setting works well, if it starts squealing it's got hot and is too late.
     
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  3. the pict
    Offline

    the pict Trusted Advisor

    Location:
    Brodick
    Business Name:
    Devlin Maguire Electrical
    I am just a ham fisted hammer jockey at times thanks for the reminder about taking the time to take my time
     
  4. Andy78
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    Andy78 Trusted Advisor

    Location:
    Kingston upon Hull
    Presto HSS jobbers are worth a try for a durable bit.
     
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  5. rsgaz
    Offline

    rsgaz Regular EF Member

    Location:
    UK
    Cobalt bits are the best IMHO.
    And get "split point" bits if you are not drilling a pilot hole first.

    Anyway, you have welding equipment, a workshop/garage I assume, and yet, you don't have one of these?...:eek::p

    [​IMG]
     
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  6. the pict
    Offline

    the pict Trusted Advisor

    Location:
    Brodick
    Business Name:
    Devlin Maguire Electrical
    I have a grinder but I have never mastered the art of sharpening bits :(
     
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  7. multimick
    Offline

    multimick Electrician's Arms

    Location:
    ormskirk
    Business Name:
    lathom electrical
    when i worked at british aerospace we used cobalt drills on titanium,no problem,,but now back down to earth bosch bits aare pretty good
     
  8. static zap
    Offline

    static zap Regular EF Member

    Location:
    west midlands
    Nothing like practice ..if you fancy going for a wander !
    (I cheat and demmel them thinner at flutes)
    ... where you have welded may have hardened a bit ..
     
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  9. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Top Poster Of Month

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
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  10. rsgaz
    Offline

    rsgaz Regular EF Member

    Location:
    UK
    Cobalt bits are not 'cobalt plated'. The cobalt is mixed into the metal. (8% for HSS-Co drill bits)
     
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  11. telectrix
    Offline

    telectrix Scouser and Proud of It Trusted Advisor

    Top Poster Of Month

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    not with that crap i bought off ebay. 1 hole and knackerd.
     
  12. Andy78
    Offline

    Andy78 Trusted Advisor

    Location:
    Kingston upon Hull
    For cheap cobalt bits, I find the toolstation ones pretty good.
     
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  13. multimick
    Offline

    multimick Electrician's Arms

    Location:
    ormskirk
    Business Name:
    lathom electrical
    i used to drill titanium 10 mm thick with a 14mm cobalt drill,no pilot hole , no problem, air drill
     
  14. mattg4321
    Offline

    mattg4321 Electrician's Arms

    Location:
    South East
    Go slow and use lube.

    This applies to things other than the topic of this thread
     
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  15. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Top Poster Of Month

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    regarding your things other..... down in the SE you probably use KY.up here in the barbarian North we use axle grease.
     
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