Description

Monster Overview:
When maximum strength and precision are non-negotiable, M36 Socket Head Cap Screws from Monster Bolts deliver the performance professionals trust. Made from Class 12.9 alloy steel with a thermal black oxide finish, these fasteners provide unmatched tensile strength, reliable torque retention, and a smooth, low-glare appearance. The heavy-duty 27 mm hex drive ensures secure driver engagement and optimal torque control in large-scale machinery, tooling, and structural applications.
Quality & Supply: Every lot meets or exceeds Monster Bolts’ demanding standards for hardness, dimensional precision, and finish quality. Available in both full- and partial-thread (PT) configurations with dependable U.S. fulfillment.
Monster Features:
- Unmatched Strength: Class 12.9 alloy steel construction ensures high tensile and clamping force capacity.
- Precision Drive: 27 mm hex socket provides consistent torque delivery and strong driver engagement.
- Socket Cap Design: Cylindrical head style allows maximum clamping force in compact assemblies.
- Thermal Black Oxide: Lightly oiled and RoHS compliant, offering mild corrosion resistance and easy handling.
- Compliance: Built to DIN 912 / ISO 4762 standards for complete interchangeability and consistent quality.
Monster Specifications
| Feature | Details |
|---|---|
| Diameter / Thread | M36-4.00 (coarse, standard metric) |
| Drive Size | Hex 27 mm |
| Head Type | Socket Head Cap Screw – Cylindrical, deep-drive configuration |
| 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” indicates Partial Thread versions.
More Monster Bolts:
• 27 mm Hex Keys
• Matching M36 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 rigorous inspection, responsive support, and reliable U.S. fulfillment.
MTRs available upon request for unopened factory-sealed boxes.
Note: Bulk shipping times may vary slightly depending on order volume and stock location. Most orders ship within a few business days.




