Tungsten Paper Drill Bits for standard fitting
Paper drill bits with a tough tungsten coating for standard fitting drilling machines, producing a longer lasting drill bit that needs sharpening less.
Ideal for large amounts of drilling, these bits are worth the extra investment and give a sharp, professional finish every time.
The total length of these drill bits is 85mm with a cutting depth of 50mm except for the 3.5mm and 4mm which have a cutting depth of 30mm.
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