Description
Monster Overview:
Get precision strength and a perfectly flush finish with M8 Flat (Countersunk) Socket Cap Screws from Monster Bolts. Made from Class 12.9 black alloy steel and finished with a thermal black oxide coating, these screws deliver superior tensile strength and a clean, low-glare appearance. The 90° countersunk head seats flush for a professional look in high-torque mechanical, industrial, and structural applications.
Quality & Supply: Each lot meets or exceeds Monster Bolts’ demanding standards for consistency, dimensional accuracy, and performance. Keep production on schedule with fast U.S. fulfillment and dependable bulk availability.
Monster Features:
- High Strength: Class 12.9 alloy steel for maximum load-bearing performance.
- Flush Finish: 90° countersunk head sits even with the surface for smooth, snag-free installations.
- Hex Drive: 5.0 mm internal hex for secure, precise torque transfer.
- Thermal Black Oxide: Lightly oiled, low-gloss finish provides mild corrosion protection; RoHS compliant.
- Standards: Manufactured to DIN 7991 / ISO 10642 for proper countersunk geometry.
Monster Specifications
| Feature | Details |
|---|---|
| Diameter / Thread | M8-1.25 (coarse, standard metric) |
| Head / Angle | Flat (Countersunk) — 90° included angle |
| Head / Drive | Socket — Hex 5.0 mm |
| 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 (countersunk) socket screws are measured by their overall length — including the head.
Note: “PT” denotes Partial Thread fasteners.
More Monster Bolts:
• M5 Hex Keys
• Matching M8 Nuts & Washers
• All Bulk Metric Flat (CSK) 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.