[Healeys] bolt identification

[Ian Hey]

They are almost certainly 0 BA  (British Association), which have a pitch of 1 mm (25,4 mm to one inch) and a diameter of just under 6mm, so a bit less than a ¼”

 

Ian Hey

 

From: Healeys <healeys-bounces at autox.team.net> On Behalf Of warthodson at aol.com
Sent: 21 November 2018 23:59
To: healeys at autox.team.net
Subject: [Healeys] bolt identification

 

I was sorting thru a box of hardware & found two bolts that I cannot identify. They both are approx. 1/4" diameter. They both have the same thread per inch. According to my thread gage they are between 24 & 26 TPI. So call it 25 TPI. I do not have a metric thread gage to check them against.

 

One is marked "Rubery Owen B28-35" on the head & measures about 5/8" long. The other is marked "BEES" & has a embossed emblem of a bee on the head & measures about 3/4" long. The lengths do not include the head, of course. No other markings on the heads.

They will not accept a BSF nut, UNF or UNC nut or any metric nuts that I have. 

 

Can anyone ID these for me?

 

Thanks,

Gary Hodson   

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