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5/16"-18 x 1/2" Premium USA Coarse Thread (USS) Flat Socket Head Cap Screw - 100 Pack

5/16"-18 x 1/2" Premium USA Coarse Thread (USS) Flat Socket Head Cap Screw - 100 Pack

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Item Number: 3020504
Package Weight: 1.4 lbs
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Product Details

  • Precision hex socket for maximum key engagement.
  • Uniform 82° angle under head for maximum contact.
  • Fully formed threads for greater strength and precision fit.
  • Continuous grain flow throughout for increased strength.
  • Heat treated alloy steel for maximum strength without brittleness or decarburization.
  • Hardness: RC 37-44
  • Tensile Strength: 145,000 P.S.I.
  • Material: ASTM F835 - alloy steel
  • Dimenstions: ANSI / ASME B18.3 (thread class 3A)

Note:

This Socket Head Cap Screw uses a 3/16" Hex Key [K-M No. 83-626]

Product Specification

Alt Hyphen Number:  30-20504
Brand:  Kimball Midwest Approved Vendor
Diameter:  5/16"
Drive Recess:  Hex
Drive Size:  3/16"
Finish:  Black Oxide
Hardness:  RC 37-44
Head Style:  Flat Head
Length:  1/2"
Material:  Alloy Steel
Measurement Type:  USS
Tensile Strength:  145,000 PSI
Thread Pitch:  18
Thread Size:  5/16"-18
Thread Type:  Coarse
 

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