Drill bits in the set:The drill bits are made from HSS (hi-speed steel) in a bright finish. The drill bits are fully precision ground at 135° with a split point. The drill bits can also be used to drill either wood or metal.
The drill bits are re-sharpenable several times. We recommend the following machines as it will sharpen 135° HSS split point drill bits with ease:
TIP:
When drilling hard metals, always use a coolant/lubricant. We recommend using CT-90.
| consider safety for your health and the people around you | |||
General safety suggestions:It is advisable to always have the following items nearby and in a good condition
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Wear Gloves
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Eye Protection
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Hearing Protection
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Dust Mask
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