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Drilling hardened metal made easy

Drilling hardened metal 

We believe that drilling hardened metal does not have to be difficult. Our aim is to supply the best drill bits for metal. At TTP HARD drills Limited we specialise in supplying cobalt drill bits and drilling lubricant paste for the drilling of harder metals and alloys. Our cobalt drill bits are sold worldwide to both companies and individuals. We offer both metric and imperial sizes. Drill bits can be bought in individual sizes or in handy sets. Our website is constantly evolving as we continue to add information helpful to those needing to drill metal. So weather you are new to drilling metal or a seasoned professional we are sure you will be happy with our products.

Drill bit sizes

TTP HARD drill bits offer both metric and imperial sizes therefore increasing drilling size options.

 

Metric drill bits

Individual metric sizes

1mm to 6.8mm are available in packs of 10 drill bits.

7mm to 13mm drill bits are sold singly.

Metric drill bit sets

19 piece cobalt drill bit set (1mm to 10mm x 0.5mm)

25 piece cobalt drill bit set (1mm to 13mm x 0.5mm)

Buy Metric TTP HARD drill bits

 

Imperial drill bits

Individual sizes

1/16″ to 1/4″ are available in packs of 10 drill bits.

17/64″ to 1/2″ drill bits are sold singly.

Imperial drill bit sets

21 piece cobalt drill bit set (1/16″ to 3/8″ x 1/64″)

29 piece cobalt drill bit set (1/16″ to 1/2″ x 1/64″)

Buy Imperial TTP HARD drill bits

 

 

 

Hard drill bits for drilling stainless steel

 Testing for hardness

 

In order to determine the hardness of our cobalt drill bits we commissioned SGS testing to conduct a Hardness check to BS EN ISO 6508-1:2016 using the Vickers testing method. 

We were delighted to achieve an average hardness of 66 on the Rockwell scale.

You can watch the video of the hardness test being carried out. 

Buy from our SHOP

 

Image of video of Vickers hardness test best drill bits for metal e1538664261462 - Drilling hardened metal easily
certificate of Hardness 2018 - Drilling hardened metal easily

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