Brass Bolt Ends For The Lathe Spider Gunsmithing

Making brass bolt ends to put into my spider. These are used to prevent marring on your work. These are very useful when clamping parts in place that you don't want to mar up. The brass will prevent any damage to barrels when used in a spider on your lathe.
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Let me know your thoughts!

[@kencampbell737]

5/16 is 0.312 not 0.34x

[@Changtent]

Hex head bolts are marked with radial lines to indicate their tensile strength. The head of the bolt in your video shows three 'line' marks. This signifies a Grade-5 bolt. When reading the grade of a bolt, count the number of radial lines on the head, then add 2 to that number. Mild steel bolts have no grade markings and are typically Grade-2 (0+2). Grade-5 is a commonly used carbon steel bolt (yours being chrome plated to prevent rust). A Grade-8 bolt is made of high carbon steel and has 6 'line' markings. Any of these bolts are often plated with chrome (white) or cadmium (slight yellow) to prevent rusting. All are available with or without plating, black oxide, or plain (no surface treatment). A torque chart will show differences in their strength, and true tensile strength for a given size & grade can be found on the internet. There are higher grade hex head bolts too with more line marks indicating high-allow steels. Capscrews (which take an Allen wrench) all usually (not always) Grade-8 so aren't marked.

[@precisionmachineshed]

Thanks for the info. I knew about the standard bolts, but never thought about the cap head screws.

[@ctsteve1967]

Great job, I like your projects. I am just starting to learn.

[@250-25x]

Cool way to do that!...You ever notice when you just finish a project you brain comes up with 5 better /differing ways to do it next time?! :) Have Fun! G.

[@precisionmachineshed]

Yeah. It's worked out very well for me to date.

[@G1951-w1y]

Camfor?

[@armdaMan]

We don't stop Learning.
Ingenious idea, made simple in the making.
Muchas Gracias for showing and sharing. Just Superb ???
All the best
aRM

[@ctsteve1967]

Why not just use Brass Bolt's? Face off the Threaded end and you would be good to go. If you have to replace a bolt so what. Thanks

[@MrSteppingstone888]

cool ideal I like it alot.. I cant believe how wide you drilled out the bolt leaving such a thin left over ss thread looked super thin on the video.
I'll definitely make thees for my spider when I get to making the spider.
great job thanks for sharing
Mike

[@precisionmachineshed]

Hey, no problem. I can't recall what size hole I drilled but the bolts were 5/16x24 on my new spider.

[@Siskiyous6]

You make good videos, any reason not to loctite the brass into the bolt?

[@precisionmachineshed]

They end up being a light press fit. There isn't any forces working on it other than driving it into the bolt. So no need unless you cut it too much and not a perfect fit.