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Warm Tips:
- To extend the service life of the step drill bit and facilitate drilling, it is best to add oil before using it.
- When working with a step drill bit, you need to add water to keep the temperature down.
Specification:
- #5 Bit：1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"
- #4 Bit：3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"
- #3 Bit：1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
- #2 Bit：3/16", 1/4", 5/16", 3/8", 7/16", 1/2"
- #1 Bit：1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"
- 118° X-type Split Point - Increases cutting speed with self-centering and prevents walking.
- Two-flute Design - a faster and smoother cutting, allows particles escape easily.
- Tri-flatted shank will not spin inside the chunk, compatible with different types of drill machines effectively.
- Application - suitable for sheet metal, plastic, aluminum alloy, copper, NOT recommended for high carbon steel, hard metal.
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