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Grainger Center Drill Plain 3.10mm
Supplier: Grainger 16T479
The Grainger Approved Center Drill is a high speed steel center drill with a plain shank. It has a 118 degree point angle and is designed for starting holes in metal prior to drilling. The drill has an overall length of 3 inches and a shank diameter of 3/8 inches. It can drill holes in mild steel up to 1/2 inch in diameter and has a Rockwell hardness of C65-C67 for durability. The center drill features a bright finish for visibility and is made in the USA.
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