G Size 12 In High Speed Steel Aircraft Extension Drill Bit Set, DWDA C Series, Pack Of 12, General Purpose For Pilot Holes And Deep Drilling, Black Oxide Finish For Lubricity And Coolant Delivery

High-Speed Steel Drill Bit Set for Pilot Holes
✔️ 12-pack HSS drill bits, 135° split point, black oxide finish

The G Size 12 high-speed steel drill bit set delivers extended reach for pilot holes and deep drilling in mild steels and similar metals. Manufactured to National Aerospace Standard 907, these bits feature a black oxide finish to boost lubricity and coolant delivery, improving chip flow and reducing wear in metalworking tasks.

✅ High-speed steel drill bits with black oxide finish for lubricity and coolant delivery
✅ 135° split point self-centering for accurate entry and reduced thrust
✅ Extended reach and round shanks compatible with various toolholding systems
✅ Pack of 12 for general purpose pilot holes and deep drilling

💡 What is a high-speed steel drill bit set with a black oxide finish best used for in metalworking?

These bits are handy for general purpose drilling in mild steels and similar metals. - Handy for pilot holes and deep drilling in mild steels
- 135-degree split point reduces wandering and thrust
- Black oxide finish boosts lubricity and coolant delivery
- Pack of 12 with extended reach for general use
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