Description
B3R4 B2
(New) Do it Cobalt 9/64" Drill Bit (Pack of 4)
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* Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium.
* Manufactured to National Aerospace standard 907.
* 135 split point is self-centering and reduces thrust.
Features and further details
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* Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools, performance is similar to uncoated tools.
