Answer: ubolts

AnswerCrossword Clue
UBOLTSLetter-shaped hardware
UBOLTSBike locks, often
UBOLTSAxle attachments
UBOLTSHeavy door fasteners
UBOLTSLetter-shaped fasteners
UBOLTSHeavy fasteners
UBOLTSHorseshoe-shaped fasteners
UBOLTSHeavy steel holders
UBOLTSLatch pieces
UBOLTSCurved fasteners
UBOLTSFasteners threaded at two ends
UBOLTSTwo nuts hold them in place?