Bulk 5/16"-18 Phillips Pan Head Machine Screws – 18-8 Stainless Black Oxide


Length: 1000 Qty - 5/16-18 x 1/2"
Price:
Sale price$398.25

Description

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Monster Overview:

Fix your project right the first time with Bulk 5/16"-18 Phillips Pan Head Machine Screws made from strong and corrosion-resistant 18-8 Stainless Steel and finished with a Black Oxide Coating. These fully threaded screws provide an 80,000 psi minimum tensile strength (100,000 psi after cold working), making them ideal for high-load fastening in industrial, marine, and general hardware applications. The smooth pan head provides a wide clamping surface with a clean, low-profile finish, and the Phillips drive offers easy installation with standard tools.

Monster Bolts delivers high-quality stainless steel fasteners in bulk, backed by fast U.S. shipping and reliable support you can count on.

Monster Features:

  • Material: 18-8 / A2 stainless steel — corrosion-resistant and non-magnetic in most environments.
  • Tensile Strength: 80,000 psi minimum (100,000 psi after cold working).
  • Finish: Black Oxide — RoHS compliant, adds a sleek matte appearance and mild surface protection.
  • Drive: #3 Phillips — standard and easy to install with common tools.
  • Head Style: Pan head — rounded, wide bearing surface perfect for soft or finished materials.

Monster Specifications:

  • Thread Size: 5/16"-18 UNC (Unified Coarse Thread)
  • Thread Length: Fully threaded
  • Head Style: Phillips Pan Head
  • Material: 18-8 Stainless Steel
  • Finish: Black Oxide
    (RoHS Directive 2011/65/EU compliant)

More Monster Bolts:

Matching Nuts & Washers: Complete your setup with bulk inch stainless nuts and bulk inch stainless washers perfectly matched to 5/16"-18 hardware.

Order Yours Today and Experience the Monster Bolts Difference!

Buy with confidence! Every order from Monster Bolts is backed by our commitment to quality, fast shipping, and customer satisfaction.

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