-40%
#4-48 x 3/4" - Qty 10 - Socket Head Cap Screws SAE - Alloy Steel w/ Black Oxide
$ 2.85
- Description
- Size Guide
Description
This listing is for Ten (10) new - #4-48 x 3/4" (UNF / FINE Thread size) -Imperial (Inch) - Socket Head Cap screws in Black Alloy Steel. These heavy duty screws have an extreme YFS 12.9 rating (see below for details)
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- Uses a 3/32" Hex Key - Available here
Black Alloy Steel
- Made from heat treated alloy steel. Best for applications where extreme strength and hardness are required. Alloy Steel, Quenched and Tempered. Complies with ASME/ANSI B18.3 and ASTM A574 guidelines
These screws have a YFS 12.9 Class rating - Meets or Exceeds the following:
Tensile Strength: 180,000 PSI minimum
Proof Strength: 140,000 PSI
Yield Strength: 153,000 PSI minimum
Hardness: HRC 39-45