Description

Monster Overview:
For high-strength assemblies where a flush finish is essential, M16 Flat Head Socket Cap Screws from Monster Bolts deliver exceptional performance. Built from Class 12.9 alloy steel with a thermal black oxide finish, these 90° countersunk fasteners provide superior strength, precision fit, and a smooth, professional look. The M10 hex drive ensures solid driver engagement and dependable torque transfer in industrial and structural applications.
Quality & Supply: Every production lot meets Monster Bolts’ demanding internal standards for hardness, dimensional precision, and finish uniformity. Available in both full-thread and partial-thread (PT) versions for flexible use in machinery, tooling, and construction projects.
Monster Features:
- Flush 90° Countersunk Head: Fully flat when installed—ideal for precision assemblies or clearance-critical designs.
 - Extreme Strength: Class 12.9 alloy steel offers top-tier tensile and clamping capacity.
 - Precision Drive: M10 hex socket provides positive engagement for consistent torque control.
 - Thermal Black Oxide: Lightly oiled, RoHS-compliant coating provides mild corrosion resistance and uniform finish.
 - Compliance: Built to DIN 7991 / ISO 10642 specifications for consistent geometry and interchangeability.
 
Monster Specifications
| Feature | Details | 
|---|---|
| Diameter / Thread | M16-2.00 (coarse, standard metric) | 
| Drive Size | Hex M10 | 
| Head Type | Flat Head Socket Cap Screw – 90° countersunk profile | 
| Material / Grade | Black Alloy Steel, Class 12.9 | 
| Finish | Thermal Black Oxide (light oil; RoHS compliant) | 
| System of Measurement | Metric | 
| Standards | DIN 7991 / ISO 10642 | 
Length Measurement: Flat head socket screws are measured over their entire length, including the head.
Note: “PT” indicates Partial Thread versions.
More Monster Bolts:
• M10 Hex Keys
• Matching M16 Nuts & Washers
• All Bulk Metric Flat Head Socket Screws
Order Today and Experience the Monster Bolts Difference
Buy with confidence — each Monster Bolts bulk order is backed by strict quality control, fast U.S. fulfillment, and responsive customer support.
MTRs available upon request for unopened factory cartons.
Note: Bulk shipping times may vary slightly depending on order volume and warehouse location. Most orders ship within a few business days.





