UN306-312 | Holemaker Jobber Drill 5/16in (Carded) M2 HIGH SPEED STEEL. Premium HSS M2 material to provide long life in demanding professional applications. SPLIT POINT. Starts drilling on contact. No walking or skating on drilling surface. No centre punch required. 118° POINT ANGLE. Suitable for heavy-duty drilling in metal wood and plastic. Specifications Diameter: 5/16 Flute Length: 81mm Overall Length: 114mm Qty Per Pack: 1
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