S-93180A440 3/8"-16 x 2" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial and marine environments
• Enhanced anti-rotation performance due to the square neck design that prevents spinning during installation
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity for heavy-duty applications
• Excellent durability with Rockwell B55 hardness for long service life under demanding conditions
• Wide rounded head profile provides larger bearing surface for secure fastening and reduced surface damage
• Precision Class 2A thread fit guarantees smooth assembly and consistent performance in UNC coarse threading
• Full threading along the 2" length offers versatile installation depth options for various material thicknesses

Professional Applications & Engineering Value

This 316 stainless steel carriage bolt delivers exceptional value in industrial settings where corrosion resistance and structural integrity are paramount. The combination of fully threaded UNC coarse threading and square neck design addresses critical engineering challenges by preventing rotation during torque application, ensuring stable connections in wood-to-metal and structural steel applications. The wide rounded head distributes clamping force effectively, minimizing surface indentation while the right-hand thread direction facilitates standard installation practices. Ideal for construction, transportation equipment, and marine hardware, this bolt maintains performance in corrosive environments where ordinary fasteners would degrade, reducing maintenance frequency and lifecycle costs.

Specification Summary & Compliance

This carriage bolt features 3/8"-16 UNC coarse threading with Class 2A thread fit for standard tolerance applications. Manufactured in compliance with ASME B18.5 specifications, it demonstrates commitment to dimensional accuracy and interchangeability. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, ensuring suitability for regulated industrial markets. With a consistent 2" length and 0.375" diameter, it maintains precise geometrical parameters for reliable performance across applications.