5/16"-18x1/2" Carriage Bolts A307 Grade A Zinc CR+3 - ECHO BBI 489041

The BBI 489041 3108C 5/16"-18x1/2" carriage bolts are constructed from A307 Grade A steel with a zinc CR+3 finish, providing excellent corrosion resistance and strength. These bolts are perfect for a variety of fastening applications, including woodworking and metalworking. With a thread size of 5/16"-18 and a length of 1/2 inch, they offer a secure fit in various materials. The zinc coating enhances durability, making them suitable for both indoor and outdoor use. Trust these carriage bolts for reliable performance in your projects.

Description

BBI Carriage Bolt, Fully Threaded, Measurement System: Imperial, 5/16-18 Thread, 1/2 in Length Under Head, Low Carbon Steel, A Grade, Zinc CR+3, 0.719 in Diameter Head, 0.187 in Neck, Square Neck, 60000 psi Tensile Strength, 0.324 in Drive, UNC Thread, Square Drive, B70 to B100 Hardness, Material Specification: ASTM A307, Round Head

Standards/Approval:

• ANSI/ASME B18.5

Diameter - Thread Size	5/16-18
Drive Size	0.324 in
Drive Type	Square
Finish	Zinc CR+3
Grade	A
Hardness	B70 to B100
Head Diameter	0.719 in
Head Type	Round
Length Under Head	1/2 in
Material	Low Carbon Steel
Material Specification	ASTM A307
Measurement System	Imperial
Neck Size	0.187 in
Neck Type	Square
Tensile Strength	60000 psi
Thread Type	UNC
Type	Fully Threaded
Manufacturer	Approved Supplier

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