Description
Monster Overview:
Fix your project right the first time with Bulk 5/16"-18 Phillips Flat Head Machine Screws made from high-strength Steel and finished in a Black Oxide Coating. Designed with an 82-degree countersunk flat head for flush installations, these fully threaded screws deliver a minimum tensile strength of 60,000 psi. Ideal for structural assemblies, equipment enclosures, brackets, and more where strength and clean appearance are critical.
Monster Bolts provides premium-grade fasteners in bulk—trusted by pros for their durability, finish quality, and U.S.-based fulfillment.
Monster Features:
- Material: Medium carbon steel – reliable strength for general-purpose fastening.
- Tensile Strength: Minimum 60,000 psi
- Finish: Black Oxide – matte black appearance with mild corrosion resistance (RoHS compliant).
- Drive: #3 Phillips – compatible with standard drivers and power tools.
- Head Style: 82° Flat Head – designed for countersunk applications and a flush, professional finish.
Monster Specifications:
- Thread Size: 5/16"-18 UNC (Unified Coarse Thread)
- Thread Length: Fully threaded
- Material: Steel (AISI 1006–1022 or equivalent)
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Finish: Black Oxide
(RoHS Directive 2011/65/EU compliant) - Head Angle: 82° Countersunk Flat
More Monster Bolts:
Matching Nuts & Washers: Complete your setup with bulk inch nuts and bulk inch washers for 5/16"-18 fasteners.
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.