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

Kubota 24in Quick Attach Compact Excavator Tooth Bucket ONE PER LOT (A51039)
Kubota 24in Quick...
Caterpillar 60in Pallet Fork and Frame Attachment (A49461)
Caterpillar 60in...
2000 PETERBILT 357 6X6 DAY CAB ROAD TRACTOR (A51406)
2000 PETERBILT 357...
2013 FREIGHTLINER CASCADIA (A50854)
2013 FREIGHTLINER...
2005 Big Tex 10PI 16ft. T/A Pipe Top Utility Trailer (A49461)
2005 Big Tex 10PI...
PENDING SELLER CONFIRMATIONS (A51219)
PENDING SELLER...
 
Top