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We have a short article called "Harley Davidson Spark Plug Threads - How to Fix" on spark plug thread repair kits used for first time repairs on Harley Davidson and other makes of motorcycles that has received a lot of attention lately. We've also been getting emails and phone calls on how to make a repair after a parts store insert has failed making the hole bigger. For second time repairs on M14x1.25 there's a Big Sert kit available. Big Sert is Time Sert's name for an oversize thread repair k …

WiseAuto Tools Summary: A blind hole is a type of hole that does not go all the way through a material, but instead, it has a bottom or "blind" end. This means that the hole does not exit out the other side of the material but rather terminates at a specific depth. Blind holes are commonly used in manufacturing processes for a variety of purposes, such as creating a cavity for a screw or bolt to be inserted into, or for creating a recess for a nut or other fastener to be installed. They can also …