Marker light bolts

/ Marker light bolts #1  

Eric_Phillips

Platinum Member
Joined
May 16, 2005
Messages
714
Location
Rochester, NY
Tractor
FarmTrac 270DTC
I need to change this marker light on the horse trailer and I can't find anything to lose these bolts. I have a couple screw driver sets with every bit under the sun and I tried hex wrenches both metric and SAE. Any thoughts on what fits these?

marker light.jpg
 
/ Marker light bolts
  • Thread Starter
#2  
Never mind. I just found the bulbs to fit this so I don't need to remove it.
 
/ Marker light bolts #3  
looks like a torx bit
 
/ Marker light bolts #4  
If I remember right, these are Philips. Trailer manufacturers use these for assembly because the drivers are easy to center in them. Try a Philips #2. It's either Philips or square bits.
 
/ Marker light bolts #5  
They are square drive (Robertson). They look like Torex, but are 8 sided. 2 squares 90 degrees off so the square drive fits in 2 different positions.
 
/ Marker light bolts
  • Thread Starter
#6  
Never seen square drive with the holes 90 degrees off. That is the one driver I did not try.
 
/ Marker light bolts #7  
Like Fallon says, use a square bit, a #2 if I remember correctly. I had to remove some screws for something on my enclosed trailer and this worked like a charm.
 
/ Marker light bolts #8  
I ran into them on my Haulmark trailer replacing a side panel. They are called doublesquare and you can get 8 pt bits for them.
 

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