• Grade 2 bolts conform to ASTM A307
Grade A.
• Grade 5 bolts conform to ASTM A449
Type 1 and SAE J429 Grade 5.
• Grade 8.8 bolts conform to ASTM A354
Grade BD and SAE J429 Grade 8.
• Silicon Bronze bolts are manufactured
from Alloy #651.
• Brass bolts are manufactured from
Alloy #270.
• All tap bolts are fully threaded.
• Stainless bolts conform to ASTM F593.
• Grade 2 and 5 bolts are zinc plated to
meet ASTM Specification B633, Class SC4,
Type 1.
• Grade 8.8 bolts are zinc plated to meet
ASTM Specification B633, Class SC4, Type 2.
• Grade 2, 5 and 8.8 bolts are manufactured
in Canada. All others are manufactured in
the United States.
• Please add “G” to the Part Number of Grade 2
Bolts to order Hot Dip Galvanized (ASTM
A153) instead of Zinc Plating.