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

1998 Dorsey Trailer, VIN # 1DTP16K29WG052604 (A48836)
1998 Dorsey...
WEATHERGUARD TOOLBOX (A50854)
WEATHERGUARD...
2004 Sterling L8500 4,000 Gallon T/A Water Truck (A50323)
2004 Sterling...
2015 DODGE RAM 1500 CREW CAB TRUCK (A51406)
2015 DODGE RAM...
1982 MACK RD685S HOTOILER (A50854)
1982 MACK RD685S...
2017 DRAGON 48' ROLL OFF TRAILER (A50854)
2017 DRAGON 48'...
 
Top