Description

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
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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.