BBI 489083 3772C Carriage Bolt 3/8-16 x 4-1/2" - ECHO GROUP INC

The BBI 489083 3772C Carriage Bolt from ECHO GROUP INC features a 3/8-16 x 4-1/2" size, designed for secure fastening in wood and metal applications. Made from high-strength steel with a zinc finish, it offers excellent corrosion resistance. The rounded head and square neck design prevent spinning during installation, ensuring a tight fit. Ideal for construction and repair projects, this carriage bolt meets industry standards for quality and performance.

Description

BBI Carriage Bolt, Fully Threaded, Measurement System: Imperial, 3/8-16 Thread, 4-1/2 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	4-1/2 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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