Drilling and tapping a grade 5 bolt

   / Drilling and tapping a grade 5 bolt #11  
Grade 2 bolts are soft and used for shear pins. Not used as a normal fastener.
 
   / Drilling and tapping a grade 5 bolt
  • Thread Starter
#12  
Grade 2 bolts are soft and used for shear pins. Not used as a normal fastener.

Grade 2 bolts are the most common fastener sold. It's what all the bins at the local hardware stores are full of. All the zinc coated ones with no markings are grade 2. Normally Grade 5 and on occasion grade 8 are used for shear pins.
 
   / Drilling and tapping a grade 5 bolt #13  
Grade 2 bolts are the most common fastener sold. It's what all the bins at the local hardware stores are full of. All the zinc coated ones with no markings are grade 2. Normally Grade 5 and on occasion grade 8 are used for shear pins.

Real hardware suppliers stock grade 5 as their go to nuts & bolts. Hardware stores typically sell grade 2 because their customers do not know the difference or if they do do not care.
 

Tractor & Equipment Auctions

TEST BID LOT (A50775)
TEST BID LOT (A50775)
2013 John Deere 640FD Flex Draper Head (A50657)
2013 John Deere...
2014 VOLVO VHD DAYCAB (A50854)
2014 VOLVO VHD...
2014 Volkswagen Passat Sedan (A50324)
2014 Volkswagen...
2004 Big Tex 10PI 16ft. T/A Pipe Top Utility Trailer (A49461)
2004 Big Tex 10PI...
Brown BDH-750 Disc Harrow (A50490)
Brown BDH-750 Disc...
 
Top