Size:4.5 mm TTP HARD drill bits have been designed for the easy and effective drilling of metals including the harder alloys. Manufactured from tungsten and molybdenum for increased hardness and with cobalt added to ensure superior heat resistance these drill bits are guaranteed to perform in the most demanding of applications. Features 135 degree split point - makes entire point of the bit one long cutting edge. Superior hardness due to tungsten and molybdenum base high temperature resistance due to addition of cobalt. Can be re-sharpened. Impressive guaranteed results when drilling hard alloys. Designed and developed from feedback from engineers in workshops. TTP HARD drills will drill harder metals where a normal hss drill bit can not. TTP cobalt hard drills are designed to drill through the toughest and hardest of abrasive materials they are ideal to use when drilling into stainless, steel, titanium, cast iron, spot welds, leaf springs. Cobalt makes the drill bit incredibly hard, with a abrasion quality. If you are repeatedly drilling steel and hardened metals and are looking for a faster and easier way - TTP HARD drills . We recommend using a good quality metal lubricant when drilling metal. It is always advised to identify the metal you are working on and to use appropriate drilling speed.
E**L
the best drill bit i have ever seen
If you have a tough drilling job,,, these are IT, yes,,, they can break,,, but the steel that they make this drill out of has got to be hard to be able to cut into super hard steel like it doesl So yes,,, you might call them,,,, brittle,,, but they work fantastic, I carry a few in my wallet and when I run into a friend,, I give them one to try and dare them to tell me they can find better. definitely buying more.
N**K
A Highly Recommended Tool
These cobalt drill bits did its magic, couldn't have done the job without them. My husband was drilling into titanium at work, and these drill bits were the ones to use, regular drill bits would have burnt up. An excellent buy!
L**4
Five Stars
They worked great they drilled out a wheel stud that I been trying to remove for a few w
E**V
Great product
Really good bits. Maybe not as great as advertised, but still VERY good. The internet hype makes them look indestructible, which they are not. Drilling out good quality bolts definitely takes its toll fast.
B**F
Five Stars
GREAT BITS
G**E
Five Stars
Drill like it’s butter
M**I
Five Stars
Ecelent did the job well
C**S
Don't use on broken taps
Could not handle drill into a tap.
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