(50 Pieces) 5/16-18x1-1/2" Grade 8 Hex Flange Bolts Screws UNC Coarse Partial Threads Phos & Oil

★★★★★ 4.1 113 reviews

$23.65
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$23.65
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Free shipping Free 30-day returns

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Product details

Management number 218172116 Release Date 2026/05/03 List Price $9.46 Model Number 218172116
Category

BoltsandNuts.com is a family owned full-line fastener distributor located in Perry, Ohio. We stock over 16,000 sku’s and operate out of a 30,000sqft facility. Our company was founded in 2013 with the boom of internet e-commerce. We can supply items like Hex Bolts, Flange Bolts, Socket Products, Screws, Nuts, Washers, Assortments, and much more. We have proven to be a reputable supplier to many different industries, and can supply anything from a single piece to full truck loads of fasteners. Our operations and dedicated team have over 100+ years of combined existing fastener experience. We look forward to serving you!

  • 50 Pieces Total
  • Diameter/Pitch: 5/16"-18 | Length Under Head: 1-1/2"
  • Wrench Size: 1/2" | Grade: 8
  • Finish: Black Phosphate & Oil
  • Threading: Coarse Partial
Brand BoltsandNuts.com
Color Black
Head Type Flanged Hex
Size Name 18.00
Metal Type Carbon Steel
Unit Count 50.0 Count
Part Number 31C150BFL8P-50
Thread Size 5/16"-18
Thread Type Unc
Grade Rating Grade 8
Manufacturer BoltsandNuts.com
Thread Style Right Hand
Fastener Type Flange Bolt, Hexagon Bolt
Item Diameter 0.31 Inches
Item Hardness Grade 8
Material Type Carbon Steel
Exterior Finish Phosphate & Oil
Item Dimensions 1.5 x 0.31 x 1.5 inches
Number Of Items 50
Thread Coverage Partially Threaded
Number of Pieces 50
Screw Head Style Hex Flange
Manufacturer Grade Grade 8

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