Pro Grade Short Length Drill Bit Set 26 Piece A Through Z Cobalt Steel With Gold Oxide Finish for Smooth Drilling, Self Centering 135 Degree Split Point, Metal Case, Letter Size, Built Tough for Ferrous and Hard Materials
✔️ Self-centering 135-degree split point for starts and clogging.
This 26-piece short-length drill bit set features letter-sized cobalt steel bits A through Z, designed for tough metalworking tasks. The gold oxide finish reduces friction and extends tool life on ferrous materials. The self-centering 135° split point starts holes cleanly without a pilot hole, while the round shank fits most chucks and the gray epoxy-coated index case keeps bits organized.
✅ 26-piece set with one drill bit per letter A-Z
✅ Cobalt steel resists wear and extends life in hard materials
✅ Gold oxide finish lubricates and protects ferrous drilling
✅ Self-centering 135-degree split point reduces pilot holes and chips
✅ Extra thick web improves strength and rigidity for heavy feeds
✅ Short length design for tight spaces and less deflection
✅ Round shank fits most chucks; gray epoxy-coated index case included
✅ Case measures 7-1/4 x 4-3/8 x 1-7/8 inches (H x W x D)
💡 What is a cobalt steel drill bit set with a 135-degree split point and gold oxide finish best used for in metalworking?
以下に、便利な概要をご紹介します：
- Handy for drilling hard ferrous metals with high wear resistance- Gives clean starts with reduced need for pilot holes
- Provides solid rigidity for heavy-feed applications
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