??? 04/28/12 02:16 Read: times |
#187264 - Carbon steel? Responding to: ???'s previous message |
I thought carbon steel drill bits was not used for drilling because of the big wear from the fiberglass. Aren't you using tungsten-carbide bits? |
??? 04/28/12 02:16 Read: times |
#187264 - Carbon steel? Responding to: ???'s previous message |
I thought carbon steel drill bits was not used for drilling because of the big wear from the fiberglass. Aren't you using tungsten-carbide bits? |