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1 1/4-12 X 7-1/2 Hex Head Cap Screw Grade 5 Steel Zinc Plated

  • Mutual Screw & Supply
    Since 1947
  • SKU: 126120CH5KC Product Size: 1 1/4-12 X 7-1/2 Weight: 37 lbs Condition: New
  • $180.42 for Pack of 12 Hex Head Cap Screws
    That's only $15.0347 per Hex Head Cap Screw
  • of 12 Hex Head Cap Screws

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Product Detailed Description

1 1/4-12 X 7-1/2 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. 

This Mutual Screw & Supply 126120CH5KC 1-1/4-12 SAE Fine Thread Grade 5 Zinc Plated Steel Hex Head Cap Screws typically ships within 24 to 48 hours

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