3/8"-16x5" Carriage Bolts, ECHO BBI 489084, A307 Grade A Zinc CR+3

ECHO's 3/8"-16x5" Carriage Bolts, model BBI 489084, are manufactured from A307 Grade A steel and finished with a corrosion-resistant zinc plating (CR+3). These bolts are designed for use in wood and metal applications, providing a secure fastening solution. The 3/8" diameter and 16 threads per inch ensure compatibility with standard nuts and washers. With a length of 5 inches, they are ideal for heavy-duty construction and assembly tasks. These bolts meet industry standards for strength and durability, making them a reliable choice for contractors and builders.

Description

BBI Carriage Bolt, Fully Threaded, Measurement System: Imperial, 3/8-16 Thread, 5 in Length Under Head, Low Carbon Steel, A Grade, Zinc CR+3, 0.844 in Diameter Head, 0.219 in Neck, Square Neck, 60000 psi Tensile Strength, 0.388 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	3/8-16
Drive Size	0.388 in
Drive Type	Square
Finish	Zinc CR+3
Grade	A
Hardness	B70 to B100
Head Diameter	0.844 in
Head Type	Round
Length Under Head	5 in
Material	Low Carbon Steel
Material Specification	ASTM A307
Measurement System	Imperial
Neck Size	0.219 in
Neck Type	Square
Tensile Strength	60000 psi
Thread Type	UNC
Type	Fully Threaded
Manufacturer	Approved Supplier

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