Caterpillar Hex Head Bolt | 8S9191

Description

The 8S9191 hex head bolt is designed with specific dimensions and properties for reliable use. It has a coarse thread UNC (Unified National Coarse) thread pattern with a hole thread pitch of 16. The total bolt length is 4 inches with a grip length of 3 inches. The head height is 0.29 inches and the head width is 0.56 inches. The bolt is made from steel and is of grade 8, indicated by its head marking of 6 radial lines representing a high ultimate tensile strength of 150 ksi. The bolt features a 3/8-16 thread size (in - TPI). It is coated with a zinc phosphate and oil finish, providing protection against corrosion. The bolt is secured using a 9/16-inch drive for efficient installation and removal.

WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features

• Thread: Coarse Thread UNC
• Total Bolt Length - 3 (in): 4
• Grip Length - 2 (in): 3.00
• Head Height - 4 (in): 0.29
• Grade: 8
• Finish: Phosphate and Oil Coated
• Hole Thread Pitch: 16
• Head Width - 5 (in): 0.56
• Thread Size (in - TPI) (in): 3/8-16
• Bolt Length (in): 4
• Head Height (in): 0.29
• Grip Length (in): 3
• Drive (in): 9/16
• Bolt Type: Hex Head Bolt
• Material: Steel
• Material Description: SAE J429 Grade 8. Head Marking - 6 radial line (150 ksi Ultimate Tensile Strength)
• Coating: Zinc Phosphate + Oil