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Irwin HSS Cobalt Drill Bits


  • Irwin HSS Cobalt Drillbits are perfect for drilling stainless steel and other high alloy steels.
  • They have 5% Cobalt for higher heat and abrasion resistance and a heavy-duty web construction for strength and durability.
  • The 135° split point begins drilling immediately, minimising bit walk and are manufactured to DIN 338 Standards.

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Delivery Information

Free delivery on all online orders over £54.99, delivered to the UK mainland only; A small order charge of £6.95 vat is charged on all orders under £54.99 (net). 

Many of our items are available for next day delivery, where items are made to order or not currently in stock delivery times will vary. Please contact us for a confirmed delivery date or alternatively a representative will confirm your order. 

Special delivery services are available; please contact our Sales Office to discuss your specific requirements. 

The following postcodes will be subject to a delivery surcharge: 

AB37 & AB38, AB41-AB56, FK19-FK21, IV1-IV40, IV52-IV54, IV63, JE1-JE5, KW1-KW14, PA21-PA40, PH15-PH41, PH49, PH50, HS, IV41-IV51, IV55 & IV56, KA27, KA28, PA20, PA41-PA78, PH42-PH44 and ZE, This also includes Northern Ireland. Certain products within our range are subject to a delivery surcharge when delivered to additional areas in Scotland than those already listed.

A customer service representive, will contact you upon receipt of your order to advise of the relevant charges or please call us to confirm the surcharge prior to placing your order

If you would prefer to collect your delivery from our warehouse, please select collection at the checkout and we will let you know when your order is ready to collect.

Contact Us for Bulk Discounts

Part Number Description Price
ID 131217
Diameter: 1.0mm. Total length: 34mm. Working length: 12mm. ( Pack 10)

£21.95 (Ex VAT)

£26.34 (Inc VAT)

ID 131218
Diameter: 1.5mm. Total length: 40mm. Working length: 18mm. ( Pack 10)

£24.78 (Ex VAT)

£29.74 (Inc VAT)

ID 131219
Diameter: 2.0mm. Total length: 49mm. Working length: 24mm. ( Pack 10)

£21.04 (Ex VAT)

£25.25 (Inc VAT)

ID 131220
Diameter: 2.5mm. Total length: 57mm. Working length: 30mm. ( Pack 10)

£21.71 (Ex VAT)

£26.05 (Inc VAT)

ID 131221
Diameter: 3.0mm. Total length: 61mm. Working length: 33mm. ( Pack 10)

£21.71 (Ex VAT)

£26.05 (Inc VAT)

ID 131222
Diameter: 3.5mm. Total length: 70mm. Working length: 39mm. ( Pack 10)

£24.78 (Ex VAT)

£29.74 (Inc VAT)

ID 131223
Diameter: 4.0mm. Total length: 75mm. Working length: 43mm. ( Pack 10)

£26.59 (Ex VAT)

£31.91 (Inc VAT)

ID 131224
Diameter: 4.5mm. Total length: 80mm. Working length: 47mm. ( Pack 10)

£33.99 (Ex VAT)

£40.79 (Inc VAT)

ID 131225
Diameter: 5.0mm. Total length: 86mm. Working length: 52mm. ( Pack 10)

£38.76 (Ex VAT)

£46.51 (Inc VAT)

ID 131226
Diameter: 5.5mm. Total length: 93mm. Working length: 57mm. ( Pack 10)

£45.59 (Ex VAT)

£54.71 (Inc VAT)

ID 131227
Diameter: 6.0mm. Total length: 93mm. Working length: 57mm. ( Pack 10)

£42.74 (Ex VAT)

£51.29 (Inc VAT)

ID 131228
Diameter: 6.5mm. Total length: 101mm. Working length: 63mm. ( Pack 10)

£48.20 (Ex VAT)

£57.84 (Inc VAT)

ID 131229
Diameter: 7.0mm. Total length: 109mm. Working length: 69mm. ( Pack 10)

£50.70 (Ex VAT)

£60.84 (Inc VAT)

ID 131230
Diameter: 7.5mm. Total length: 109mm. Working length: 69mm. ( Pack 5)

£28.40 (Ex VAT)

£34.08 (Inc VAT)

ID 131231
Diameter: 8.0mm. Total length: 117mm. Working length: 75mm. ( Pack 5)

£33.48 (Ex VAT)

£40.18 (Inc VAT)

ID 131232
Diameter: 8.5mm. Total length: 117mm. Working length: 75mm. ( Pack 5)

£34.15 (Ex VAT)

£40.98 (Inc VAT)

ID 131233
Diameter: 9.0mm. Total length: 125mm. Working length: 81mm. ( Pack 5)

£43.45 (Ex VAT)

£52.14 (Inc VAT)

ID 131234
Diameter: 9.5mm. Total length: 125mm. Working length: 81mm. ( Pack 5)

£47.35 (Ex VAT)

£56.82 (Inc VAT)

ID 131235
Diameter: 10.0mm. Total length: 133mm. Working length: 87mm. ( Pack 5)

£52.90 (Ex VAT)

£63.48 (Inc VAT)

ID 131236
Diameter: 11.0mm. Total length: 142mm. Working length: 94mm. ( Pack 5)

£45.51 (Ex VAT)

£54.61 (Inc VAT)

ID 131237
Diameter: 12.0mm. Total length: 151mm. Working length: 101mm. ( Pack 5)

£113.76 (Ex VAT)

£136.51 (Inc VAT)

ID 131238
Diameter: 13.0mm. Total length: 151mm. Working length: 101mm. ( Pack 5)

£147.46 (Ex VAT)

£176.95 (Inc VAT)

Estimated delivery is for guidance only, an exact delivery date will be confirmed on your order acknowledgement. Please contact us for further information.We make every effort to ensure that the information provided on this page is accurate, we can not be held responsible for any errors, typography or otherwise. Illustrations and images are representational of typical styles and designs may vary. Prices and specifications may alter without prior notice.

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*Online orders over £39.99 (net) delivered to UK Mainland only. Excluding certain postcodes

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