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» Hex Head Cap Screw Grade 5 Steel Zinc Plated
» Hex Head Cap Screw Grade 5 Steel Zinc Plated
3/8-24 X 6 Hex Head Cap Screw Grade 5 Steel Zinc Plated
Product Detailed Description
3/8-24 X 6 Hex Head Cap Screw Grade 5 Steel Zinc Plated
- Description: A cap screw made from medium carbon steel and heat-treated.
- Applications/Advantages: Has greater tensile strength than a Grade-2. Yield-to-tensile ratio is the lowest of all heat treated steels.
- Heat Treatment: Grade-5 cap screws shall be heat treated, oil or water quenched, at the option of the manufacturer, and tempered at a minimum tempering temperature of 800°F.
- Material: Medium carbon steel. Use of an alloy steel is also acceptable.
- Core Hardness: 1/4 through 1 in. diameter, all lengths: Rockwell C25 - C34. 1-1/8 through 1-1/2 in. diameter, all lengths: Rockwell C19 - C30.
- Surface Hardness: 1/4 through 1 in. diameter, all lengths: Rockwell 30N54 maximum. 1-1/8 through 1-1/2 in. diameter, all lengths: Rockwell 30N50 maximum.
- Proof Load: 1/4 through 1 in. diameter, all lengths: 85,000 psi. 1-1/8 through 1-1/2 in. diameter, all lengths: 74,000 psi.
- Yield Strength*: 1/4 through 1 in. diameter, all lengths: 92,000 psi. minimum 1-1/8 through 1-1/2 in. diameter, all lengths: 81,000 psi. minimum
- Tensile Strength: 1/4 through 1 in. diameter, all lengths: 120,000 psi. minimum 1-1/8 through 1-1/2 in. diameter, all lengths: 105,000 psi. minimum
- Elongation*: 14% minimum (all diameters)
- Reduction of Area*: 35% minimum (all sizes)
- Plating: See Appendix-A for plating information.
*These properties are tested only on machined specimens when the testing machine cannot provide for full testing of the parts.
**Product standards require the manufacturer’s head marking to appear on the top of all cap screws 1/4” diameter and larger.
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