TO 1/2″, 135 Drill Point H.S.S. Jobbers Length Twist Drill

• Suitable for general purpose and heavy duty drilling operations.
• For drilling applications of a wide array of ferrous materials including: steel, cast steel, cast iron, stainless steels and other alloyed or non-alloyed ferrous metals.
• H.S.S.: High Speed Steel.
• Finish Coating: Black Oxide – Reduces Friction allows High Speeds.
• Hardness: 58 to 60 RC

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