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What is it for?

D

Dave H (MI)

Well-known Member
I think I know it is a hammer head. The hole in the center is tapered as it goes thru. Says UREK on the side. Very heavy for its size. Is non-ferrous but have no idea what metal it is. If I poke it with a screwdriver it leaves no mark so the metal is fairly hard. Must have a special use? Anybody know?


cvphoto9656.jpg
 
It looks like brass. Could it be a hammer head? We used them in a non sparking environment. All of our tools were required to be brass. Dsmythe
 
If it is hard enough to fend off a screw driver assault, it may be Beryllium Copper alloy. The reason for this supposition is that Beryllium Copper is used for non sparking tools. Beryllium is a very toxic material in dust or vapor form it has no acceptable exposure level. Don't grind or polish it. There are other copper alloy materials than can be hardened, but not nearly as hard as Be/Co, which can be above Rockwell C60. Jim
 
Used it around the liquid oxygen (LOX cart) in the Air Force. Once took a banana and dunked it into a bucket of lox and thru the banana against the wall. Smashed in a thousand pieces. What a mess when it thawed out.
 
In the coal mine areas, they are used in underground mines where methane was present to prevent sparking and explosions.
There was alloy pry bars as well as punches that were required when working at the seam face where equip. would breakdown.
Jim
 
Well, I don't know what the probability of it being that particular alloy is. I will say I did not go crazy with the screwdriver. Just wanted to see was it lead. Either way....I won't do anything other than put a handle on it and hang with the other oddball hammers that I never use. I have about a zillion hammers. I just cannot seem to resist a hammer at a garage sale. Especially odd ones.
 
(quoted from post at 21:10:30 01/14/19) I think I know it is a hammer head. The hole in the center is tapered as it goes thru. Says UREK on the side. Very heavy for its size. Is non-ferrous but have no idea what metal it is. If I poke it with a screwdriver it leaves no mark so the metal is fairly hard. Must have a special use? Anybody know?


<img src="https://www.yesterdaystractors.com/cvphotos/cvphoto9656.jpg">
Click to expand...
Looks like a bronze, non-sparking hammer to me.
 
Looks like beryllium copper. When I worked at Lincoln there were a number of parts made of it. Kinda small for a hammer and the hole looks round not oval. I'd say some type of electrical contact from the machined end with the chamfer.
 
Most I?ve seen are a amco #18 or whatever. They are also used in machine bushings, for sliding components.
 
Pretty sure there is a brass hammer in my dad's old tool box with a head like that. I'm trying to remember what he used it for, maybe driving tacks?
 
Brass hammer head, I use one all the time in the Natural Gas business, only kind of hammer we use to knock pipe coating off when looking for a gas leak, won?t cause a spark
 
My son was an underground miner at one time. He could only use brass hammers down there because of the chance of methane.
 


When I was in the Air Force and worked on Hound Dog missels a large percentage of my tools were made of the non sparking alloy. We used them on the flight line and in the hanger. The missels were carried under the wings of the flying fuel tank called a B52!
Elmo
 
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