• Feature:  M35 cobalt-containing step drill (HSS Co) is a high hardness of ladder drills, mainly used in high hardness steel punch, such as stainless steel, hardened steel, meet many customers by common HSS4241 step drill work could not be completed, the real opponent of stainless steel. M35 step drill holes of the stainless steel sheet.
  • 100% brand new and high quality.  Spiral Groove Size: 4-12mm  Number of steps are 9, each step length is 5mm.  Handle Diameter: 6.35mm.  Handle Length: 81mm.  Partial Triangular cone length: 50mm
  •  

    • GreatArtWorks

    Item Specifics
    Brand :Unbranded/Generic
    MPN :Does Not Apply
    Country of Origin :China

    4-12mm Hex Shank HSS Spiral Groove Step Cone Drill Bit Metal Wood Hole Cutter

    Feature:
    M35 cobalt-containing step drill (HSS Co) is a high hardness of ladder drills, mainly used in high hardness steel punch, such as stainless steel, hardened steel, meet many customers by common HSS4241 step drill work could not be completed, the real opponent of stainless steel. M35 step drill holes of the stainless steel sheet.

    100% brand new and high quality.
    Spiral Groove Size: 4-12mm
    Number of steps are 9, each step length is 5mm.
    Handle Diameter: 6.35mm.
    Handle Length: 81mm.
    Partial Triangular cone length: 50mm

     

    Attention:
    1 stainless steel open hole can use a hand drill and drill, hand drill can open 1mm board, with bench drill can open 2-3 mm plate.
    2 the stainless steel opening speed can not be fast, a few hundred to turn.
    3 processing can be the best water injection or cutting fluid, such as cooling, can effectively extend the life of the drill bit.

     

    Package List:
    1Pc HSS Steel Drill Bit


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    4-12mm Hex Shank HSS Spiral Groove Step Cone Drill Bit Metal Wood Hole Cutter

    Feature:
    M35 cobalt-containing step drill (HSS Co) is a high hardness of ladder drills, mainly used in high hardness steel punch, such as stainless steel, hardened steel, meet many customers by common HSS4241 step drill work could not be completed, the real opponent of stainless steel. M35 step drill holes of the stainless steel sheet.

    100% brand new and high quality.
    Spiral Groove Size: 4-12mm
    Number of steps are 9, each step length is 5mm.
    Handle Diameter: 6.35mm.
    Handle Length: 81mm.
    Partial Triangular cone length: 50mm

     

    Attention:
    1 stainless steel open hole can use a hand drill and drill, hand drill can open 1mm board, with bench drill can open 2-3 mm plate.
    2 the stainless steel opening speed can not be fast, a few hundred to turn.
    3 processing can be the best water injection or cutting fluid, such as cooling, can effectively extend the life of the drill bit.

     

    Package List:
    1Pc HSS Steel Drill Bit

    Item Specifics
    Brand :Unbranded/Generic
    MPN :Does Not Apply
    Country of Origin :China

    Payment

    Payment:

    • We accept PayPal only. 

    • All major credit cards are accepted through secure payment processor PayPal.

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      Arrival time (estimated):
      - United States / United Kingdom / Australia / Canada: 14-21 working days (18-29 days)
      - Germany / France / Spain / Eastern Europe: 18-25 working days (24-35 days)
      - Other countries: 25-35 working days (35-49 days)
    • Shipping time is only estimated and not guaranteed. If not get item after 60 days, please contact us for solving.
    • For bulk purchases weight over 2kg, we may offer EXPRESS way.
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    • If merchandise you found defective or damaged in the long transit, please contact us freely. We will solve your problem ASAP.
    • Defective items will be offered exchange, in condition that, it is returned within 7days upon receiving.
    • If other reason, you want to ship it back to us, you will be responsible for the returning shipping fee and we will send the replacement after receiving the returned item.
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    • All buyers are responsible for Customs duties/VAT (value added tax) in their own respective country, if there is any.
    • We will leave POSITIVE FEEDBACK after your payment cleared. Please contact us if you are not satisfied with the item after receiving it.
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    • All emails will be answered within 1-2 business day. If you do not receive our reply, please kindly re-send your email/message and we will reply you as soon as possible.
    • Our Customers are our priority and our lifeline ,and this is reflected in the way we ensure you are satisfied with your purchase.

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    On 20/05/2026 at 02:26:42 AEST, seller added the following information:

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