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Thread Galling

  THREAD GALLING   A few times each year we receive calls from fastener suppliers who are in conflict with their customer over the quality of stainless steel bolts and nuts. The customer's complaint is that during installation the bolts are twisting off and/or the bolt's threads are seizing to the nut's thread. The frustration…

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HOLIDAY HOURS

Guess what???? Mark's Bolts will be open on July 5th! Hurray! It's your chance to come look around but don't wait around too late.... we will have shortened hours. 8 am - 3pm. HOLIDAY HOURS: Thurs July 4- CLOSED            Friday July 5- 8:00 am - 3:00pm HAPPY INDEPENDENCE DAY!  …

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“OLD GLORY” Tomorrow is Flag Day.

  Tomorrow is the United States' official Flag Day, in which we honor two centuries of freedom symbolized by our national flag. One of the American flag's nicknames is "Old Glory." Where did it come from? Here's the story: This famous name was coined by Captain William Driver, a shipmaster of Salem, Massachusetts, in 1831.…

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Holiday Hours

Independence Day is approaching and we have a surprise for all of our Mark's Bolts friends! We will be open with limited hours on Friday July 5 ! Here is the holiday schedule: Thursday July 4- CLOSED Friday July 5 OPEN 8 am- 3 pm with skeleton crew. We thank God for our freedom and…

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CONSTRUCTION REAMERS (SPIRAL FLUTE)

Did you know that we carry spiral flute Construction Reamers?  Construction reamers are especially adapted for heavy duty reaming as encountered in the fabrication of structural steel assemblies. They are tapered at the point to facilitate entering holes which are out of alignment. We carry the following sizes: 3/8    7/16     1/2  …

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