Description

Monster Overview:
Take on demanding assemblies with M8 Button Head Socket Cap Screws from Monster Bolts. These heavy-duty fasteners are made from Class 12.9 alloy steel and treated with a thermal black oxide finish for a low-glare, uniform appearance. The smooth, rounded button head provides wide bearing surface and snag-free aesthetics—perfect for machinery, fixtures, and structural applications where strength and presentation both count.
Quality & Supply: Each lot meets or exceeds Monster Bolts’ demanding quality standards, ensuring consistent performance across every carton. Keep your builds moving with fast U.S. shipping and dependable bulk supply.
Monster Features:
- High Strength: Class 12.9 alloy steel for extreme torque and load conditions.
 - Button Head Profile: Low-profile dome distributes clamping force evenly for a smooth, finished look.
 - Hex Drive: 5 mm internal hex for solid torque engagement and repeatable installation.
 - Thermal Black Oxide: Lightly-oiled, low-gloss finish provides mild corrosion resistance; fully RoHS compliant.
 - Standards: Manufactured to DIN 9427 / ISO 7380 for button head geometry and strength.
 
Monster Specifications
| Feature | Details | 
|---|---|
| Diameter / Thread | M8-1.25 (coarse, standard metric) | 
| Available Lengths | Select length above (multiple sizes stocked) | 
| Head / Drive | Button Head Socket — Hex 5 mm | 
| Material / Grade | Black Alloy Steel, Class 12.9 | 
| Finish | Thermal Black Oxide (light oil; RoHS compliant) | 
| System of Measurement | Metric | 
| Standards | DIN 9427 / ISO 7380 | 
More Monster Bolts:
• M5 Hex Keys
• Matching M8 Nuts & Washers
• All Bulk Metric Socket Screws
Order Today and Experience the Monster Bolts Difference
Buy with confidence—every Monster Bolts order is backed by responsive support and fast U.S. fulfillment. MTRs available on request for bulk cartons.
Note: Bulk shipping times can vary slightly based on inventory location and order size. Most orders ship quickly; smaller bulk quantities may take a few extra days to process.
















