Letter and numbered drill bits were developed to make up the gaps in between metric and fractional sizes. The most common use is for using taps. There will not be an exact match for fractional sizes but you can refer them to closest fractional bit that is larger than the numbered bit.
Articles in this section
- What is the process for sending an invention or idea to someone for consideration?
- What does the 'Bi-Metal' mean when referring to a utility blade?
- IRWIN Taps & Dies information:
- When would I use a tap and die set and how would I properly use them?
- When would I use a tap and die set and how would I properly use them?
- I was trying to tap a hole in aluminum with a 1/4" tap. Half of the tap broke off in the workpiece. How do I get it out?
- How do you support or validate the "3x Durability" Claim?
- Why is there a slot in the front of the end hook?
- Why the Optic-White(TM) blade color?
- What is the Diamond symbol every 19'-2" increment?
Comments
0 comments
Please sign in to leave a comment.