High Speed Steel
These aircraft drills are excellent. I have bought numerous ones and they are really well made and work well
The numerous 6 drill bits I ordered are really nice bits. Appear well made and drill well. Just what I wanted.
very well made,perfect for my use-wish the rest were not back ordered
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
These are all 6 inch length.