Caterpillar Hex Head Bolt | 8S9191
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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
| Manufacturer | Caterpillar |
|---|---|
| Shipping Length (in) | 6.00 |
| Shipping Width (in) | 4.00 |
| Shipping Height (in) | 4.00 |
| Returnable | Yes |
| Weight (lb) | 0.01 |
| Core Exchange | No |