Holemaker SD7-40.5MM

Spiral Flute Step Drill 7-40.5mm 13 Step
Rely on your Tools

Product Description


The Titanium Nitride coating significantly increases the tool life by providing the following benefits:

  • Increased surface hardness to 85HRC
  • Ceramic surface, reducing friction by up to 30%
  • Especially resistant to cold welding
  • Suitable for cutting a wide range of materials
  • Sizes: 7, 10.5, 12.5, 14.5, 16.5, 18.5, 20.5, 23.5, 25.5, 30.5, 32.5, 38.5, 40.5mm
  • Step Length: 3.0mm
  • Overall Length: 115mm
  • Shank Diameter: 12mm



Categories Accessories » Drilling » Step Drill Bit
Brand Holemaker
Item # 1037444


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Shipping Info

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Store Pickup

  • Free pickup is available at any of our WA stores.  Click here to find your closest store

Freight Charges

Free Shipping
  • All items marked with "Free Shipping" will be shipped to any location in mainland Australia or Tasmania free of charge. No conditions or exclusions!
Australia Post [Satchel]
  • Items will be sent in an Australia Post satchel.
  • Delivery time is between 2-5 business days from dispatch date.
Perth Metro Express
  • The Perth metro region includes all those within the postcode range 6000-6214 & 6800-6999
  • Orders are typically sent with Australia Post.
  • Delivery time is normally 1 business day from dispatch date.
Fixed Rate [Parcel] - $18
  • Orders will typically be sent by road transport with Australia Post or one of our Couriers.
  • Delivery time is between 2-10 business days from dispatch date.
  • Large and/or heavy items will be sent by road transport with one of our couriers.
  • Delivery time is between 1-7 business days from dispatch date.

Delivery Times

Delivery times will vary depending on your location but will generally take between 1-7 business days. Currently stocked items will be dispatched same day or next day. Unfortunately it is not possible for us to carry all stock items 100% of the time. If an item is out of stock we will order from our supplier immediately and mark your order as priority.

Warranty & Returns


Tools covered by manufacturers warranty can be returned to us or your nearest authorised warranty agent for repair or replacement.  Find out More.


If you are not satisfied with a purchased item it may be returned to us within 30 days and we'll give you a refund (excluding delivery costs). All merchandise must be returned in original packing, unused and include a copy of your invoice. Please contact us prior to returning an order so we can assure quick processing of the cancellation.

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