Imperial 16820 USS Hex Head Cap Screw, Grade 8, 1×9″ Good Selling Sale Online

Highlights:

• Size: 1X9″
• Thread pitch: 1″-8 UNC
• Unplated cap screws
• Material: medium carbon alloy steel
• Tensile Strength: 150,000 psi minimum
• Grade 8 Cap Screws comply with SAE J429, ANSI/ASME B18.2.1 hex cap screws

Technical Data:

• Material: Medium Carbon Alloy Steel
• Tensile: 150,000 psi minimum
• Hardness: Rockwell Hardness C33-C39
• Tempering Temperature: 800° F.(minimum)
• Decarburization: Meets SAE J121
• Discontinuities: Meets SAE J1061
• Threads: UNRF and UNRC Radius Root Class 2A to ANSI/ASME B1.1

Rule of thumb to figure bolt thread length:

• For bolts under 6″: Twice the bolt diameter plus a 1/4″
• For bolts over 6″: Twice the bolt diameter plus a 1/2″
• This gives you the approximate bolt thread length available