Description

Monster Overview:
M18 Socket Head Cap Screws from Monster Bolts are engineered for applications that demand maximum strength and precision. Manufactured from Class 12.9 alloy steel and finished with a durable thermal black oxide coating, these heavy-duty fasteners deliver superior tensile performance and a professional, low-glare finish. The robust 14 mm hex drive ensures full engagement and dependable torque control in high-stress industrial or structural assemblies.
Quality & Supply: Each lot meets or exceeds Monster Bolts’ strict quality benchmarks for strength, hardness, and dimensional consistency. Available in both full and partial-thread (PT) options, all bulk orders are fulfilled quickly from U.S. inventory.
Monster Features:
- Maximum Strength: Class 12.9 alloy steel for extreme tensile and clamping performance.
 - Precision Drive: 14 mm hex socket ensures secure driver engagement and repeatable torque.
 - Socket Cap Design: Cylindrical head allows high clamping pressure in tight-clearance assemblies.
 - Thermal Black Oxide: Lightly oiled finish resists mild corrosion; fully RoHS compliant.
 - Compliance: Built to DIN 912 / ISO 4762 specifications for consistent fit and performance.
 
Monster Specifications
| Feature | Details | 
|---|---|
| Diameter / Thread | M18-2.50 (coarse, standard metric) | 
| Drive Size | Hex 14 mm | 
| Head Type | Socket Head Cap Screw – Cylindrical, high-strength design | 
| Material / Grade | Black Alloy Steel, Class 12.9 | 
| Finish | Thermal Black Oxide (light oil; RoHS compliant) | 
| System of Measurement | Metric | 
| Standards | DIN 912 / ISO 4762 | 
Length Measurement: Socket head cap screws are measured from under the head to the tip of the screw. 
Note: “PT” denotes Partial Thread versions.
More Monster Bolts:
• M14 Hex Keys
• Matching M18 Nuts & Washers
• All Bulk Metric Socket Cap Screws
Order Today and Experience the Monster Bolts Difference
Buy with confidence — every Monster Bolts bulk order is backed by consistent quality control, quick U.S. fulfillment, and responsive support. MTRs available upon request for unopened bulk cartons.
Note: Bulk shipping times may vary slightly depending on quantity and stock location. Most orders ship within a few business days.




