21. It is made from a steel alloy, and it has a gradual taper to easily align bolt holes on beams. 22. Four ( 4 ) bolt holes and two ( 2 ) locator pins are common to the Chevrolet, and B-O-P patterns. 23. The layers have no visible nail or bolt holes and it is thought that they are held together by glue alone. 24. Until 1963, the standard dimensions of the SAR plates were between bolt hole centres, with an overall width of and height of. 25. Even if the wing had been disassembled it is unlikely the cracks radiating from the damaged bolt hole could have been detected. 26. The process works best on broad surfaces, but the crack that caused the Pensacola accident was at the edge of a bolt hole . 27. The first decay usually occurred at the bottom of legs where they were seated in the cast iron chairs, and around bolt holes . 28. They aren't expensive, and they can be a lifesaver for repairing all kinds of damage in addition to unwanted screw and bolt holes . 29. The bolt is then inserted into the bolt hole and screwed into the cross dowel until the wood pieces are held tightly together. 30. So, the Handyman said she could enlarge the bolt hole to make the cover fit, but this would be a jury rig at best.
