Standard Fitting Tungsten Paper Drill Bits
Standard fitting drill bits with a tough tungsten coating, 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.
Note that the 3mm and 4mm drill bits only have a cutting depth of 30mm.
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