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Grade F911 Bolt


Clay Edgin

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mmainlands was kind enough to send me his only Grade F911 bolt, which is a type of bolt I have never heard of before. He wanted to see if it was bendable and I happily volunteered to be the guinea pig. The manufacturers of the Grade F911 bolt claim that it is 20% stronger than a standard Grade 9 bolt because it has 56% more chromium and 100% more nickel (regular G9's don't contain nickel at all). After bending this thing, I agree that it is significantly tougher. The bolt Mike sent to me was 7", but I cut it down to 6".

For a point of reference, I bent a couple G5's, a G8, a G9, and then went after this F911 with a piece of cordura tucked in the neck of my shirt in case the bolt snapped and shot shrapnel into my throat. I didn't want to hit the bolt as hard as possible because I wanted to feel how tough it was the whole way through. The initial kink felt like a 6.25" red. When I readjusted my hands while the bar was at 45 degrees and pushed, the bar was considerably harder and didn't want to move. I have had drill bits and other stuff snap at 45 degrees before and right before it does it gets real tough like this bolt did so I thought it would break. But I kept pushing on it and it kept moving. I unwrapped the bolt to crush it down with some little leather chips and during that time it hardened considerably. I crushed the ends down to about 1 1/4"

Overall, I'd say the bolt was definitely tougher than a 1/4"x6" G9 and actually felt quite a bit like a 6" or 6.25" red nail.

You can get these bolts at a couple places online, but the cheapest I have found is at www.bolts4u.com located in San Marcos, CA. I spoke with them this morning and the 1/4" x 6" bolts are $1.61 each, but if you buy them in 100-pc boxes they are $1.25 each.

Just thought you'd like to know.

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Sounds like that bolt has the power of a jet fighter and hardens with the speed of a German race car!

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Sounds like a bolt for a Ferrari or Lamborghini. :)

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  • 1 year later...

It would be interesting to see what eric can calibrate one of these at they are definately harder than the g9s with L9 on the head.

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Thanks for the update Clay,

With my luck it would snap and I would jab it into my jugular and die on camera. I have punched myself in the face too many times to hang around bolts that can snap! Again nice difficult expensive bolt.

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