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Silverline Diamond Core Drill Bit's


  • Heavy duty steel body core drills with diamond dust cutting segments.
  • Ideal for dry cutting clean holes in masonry.
  • Use with 1/2" BSP compatible arbors and drills equipped with a safety clutch.
  • Do not use with drills set in hammer action.

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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 171859
22 x 300mm

(£22.57) RRP (Ex VAT)

£14.39 (Ex VAT)

£17.27 (Inc VAT)

ID 171860
28 x 300mm

(£21.33) RRP (Ex VAT)

£13.60 (Ex VAT)

£16.32 (Inc VAT)

ID 171861
32 x 150mm

(£20.11) RRP (Ex VAT)

£12.83 (Ex VAT)

£15.40 (Inc VAT)

ID 171862
38 x 150mm

(£20.54) RRP (Ex VAT)

£13.10 (Ex VAT)

£15.72 (Inc VAT)

ID 171863
42 x 150mm

(£21.21) RRP (Ex VAT)

£13.53 (Ex VAT)

£16.24 (Inc VAT)

ID 171864
48 x 150mm

(£21.46) RRP (Ex VAT)

£13.68 (Ex VAT)

£16.42 (Inc VAT)

ID 171865
52 x 150mm

(£24.51) RRP (Ex VAT)

£15.63 (Ex VAT)

£18.76 (Inc VAT)

ID 171866
65 x 150mm

(£27.54) RRP (Ex VAT)

£17.56 (Ex VAT)

£21.07 (Inc VAT)

ID 171867
78 x 150mm

(£29.34) RRP (Ex VAT)

£18.70 (Ex VAT)

£22.44 (Inc VAT)

ID 171868
91 x 150mm

(£31.61) RRP (Ex VAT)

£20.15 (Ex VAT)

£24.18 (Inc VAT)

ID 171869
107 x 47mm

(£27.09) RRP (Ex VAT)

£17.28 (Ex VAT)

£20.74 (Inc VAT)

ID 171870
107 x 150mm

(£33.40) RRP (Ex VAT)

£21.29 (Ex VAT)

£25.55 (Inc VAT)

ID 171871
117 x 150mm

(£36.87) RRP (Ex VAT)

£23.50 (Ex VAT)

£28.20 (Inc VAT)

ID 171872
127 x 150mm

(£41.22) RRP (Ex VAT)

£26.28 (Ex VAT)

£31.54 (Inc VAT)

ID 171873
152 x 150mm

(£44.05) RRP (Ex VAT)

£28.09 (Ex VAT)

£33.71 (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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