Prime-Line 9091140 Serrated Flange Bolts, 3/8 in.-16 X 3/4 in., Zinc Plated Case Hardened Steel (25 Pack)

★★★★☆ 4.0 27 reviews

$21.99
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$21.99
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Product details

Management number 221122006 Release Date 2026/05/03 List Price $8.80 Model Number 221122006
Category

Prime‑Line flange bolts provide strong, secure fastening with built‑in load distribution for a wide range of home repair and improvement projects. Designed with an integrated flange beneath the bolt head, these bolts help spread clamping force evenly, reducing the need for a separate washer and helping protect surfaces from damage. Ideal for automotive repairs, appliances, furniture assembly, lawn and garden equipment, and general mechanical applications, Prime‑Line flange bolts are intended for use with same‑size matching nuts to ensure proper fit and dependable holding power. Manufactured from quality materials for strength and durability, they install easily using standard tools and perform reliably in both indoor and outdoor environments. Trusted by DIY homeowners and professionals across the U.S., Prime‑Line flange bolts make it easy to achieve secure, efficient fastening with fewer parts and confidence.

  • Size: 3/8 inch-16 X 3/4 inch
  • Hex bolt with a serrated circular flange under the head
  • Flange eliminates need for separate washer
  • Serrations bite into surface and can help to prevent loosening
  • Designed for use with a nut (not included) or a threaded hole of the same diameter and thread size
UPC 049793174475
Brand PRIME-LINE
Color Zinc
Model 9091140
Set Name Prime-Line Serrated Flange Bolt Set (25 Pack)
Head Type Hex
Size Name (Pack of 25)
Metal Type Alloy Steel
Unit Count 1.0 Count
Part Number 9091140
Thread Size 3/8"-16
Thread Type Unc
Drive System External Hex
Finish Types Zinc Plated
Grade Rating Grade 8
Manufacturer Prime-Line Products
Thread Class 3A
Thread Style Right Hand
Fastener Size 3/8"
Fastener Type Flange Bolt, Hexagon Bolt
Item Diameter 0.38 Inches
Item Hardness Grade 8
Material Type Alloy Steel
Item Type Name Serrated Flange Bolt (25 Pack)
Exterior Finish Zinc
Item Dimensions 5 x 5 x 5 inches
Number Of Items 25
Thread Coverage Fully Threaded
Number of Pieces 25
Outside Diameter 0.38 Inches
Screw Head Style Hex
Manufacturer Grade Grade 2A
Included Components fasteners
Maximum Shear Strength 60000 psi
Compatible Groove Diameter 0.38 Inches
Global Trade Identification Number 00049793174475

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4 out of 5
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27 ratings | 11 reviews
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