M0.55 Jobber Drill, Black & Gold

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If you require heavy-duty bits manufactured with premium grade materials, the black and gold Nitro option are an excellent choice. The heavy-duty Nitro line bits offers an increased hardness rating increased by the Nitride surface treatment. Jobber drill bits are suitable for hand held and machine drilling, offering a balance between rigidity and mid-length with a 118-degree point angle.