very clean never used bolts  of 3/4 - 10  NC course grade 8

30 pcs in lot

perfect for step bumper plow rack chassis brackets custom installations

the  bolts do well in  holes you final ream for maximum  strength is something like 15,000 lbs

heads take a 1 1/16" wrench and you should be able to sandwich 2 quarter inch members

this can be used for many hot rod applications and more tow hitches chassis frames suspension

braces crossmembers tractors construction and farm equipment

give me a call 631-772-7576 if you want to vary the numbers a bit

flat shipping is based on what I can get into the post office FR box. weight is approx 10 pounds!