A307 Grade A Carriage Bolts are manufactured from low carbon steel to meet or exceed ASTM A307 Grade A

which can be any number you see fit for your job

zinc plated in either a flat or round head style

5/8-11 x 10 Grade 5 Hex Cap Screw Zinc Plated

SNAPTOGGLE® bolts also allow you to mount heavy loads without making a large hole in the wall

6-20 x 1 7/8 Strong-Point Phillips Bugle Head Self Drilling Drywall Screw Zinc Plated (4000) 7/8-9 Grade 8 Hex Cap Screws Yellow Zinc Plated A307 Grade A Carriage Bolts6 20 x 1 7 8 Phillips Drywall Self Drill Screw Zinc Plated (4000) . Used for many purposes, including the attachment of gypsum board to metal studs, fine threads and the self drilling tip make these screws ideal for penetrating and holding into metal framing studs and other types of metal or aluminum framing.