M2 Pan Head Screw
High tensile fasteners manufactured from carbon steel and alloy steel, engineered for structural and mechanical applications requiring high clamp loads. Available in property classes 8.8, 10.9, and 12.9 per ISO 898-1, with standardized dimensions across ISO, DIN, and ASME specifications.
Specification
#
Thread System
Metric (ISO) or Imperial (Unified)
Thread Pitch
Coarse or Fine
Material
Carbon Steel, Alloy Steel (quenched and tempered)
Strength Grade
ISO 898-1 (8.8, 10.9, 12.9) or SAE (Grade 5, 8)
Surface Finish
Zinc Plated, Hot-Dip Galvanized, Black Oxide, Plain
Thread Tolerance
Metric 6g/6H or Unified 2A/2B (general purpose)
Benefits
#
High tensile fasteners solve fundamental engineering challenges in structural and mechanical assembly where high clamp loads and reliable preload are critical. Property classes 8.8, 10.9, and 12.9 provide tensile strengths from 800 MPa to 1220 MPa, enabling engineers to match fastener capacity to joint design loads without oversizing. The alloy steel construction with quenching and tempering delivers consistent mechanical properties across production batches.
Standardized dimensions across ISO, DIN, and ASME specifications ensure interchangeability between manufacturers, reducing procurement complexity and inventory costs. Protective coatings — zinc plating, hot-dip galvanizing, zinc flake — extend service life in outdoor and corrosive environments while maintaining thread fit and torque-tension relationships. Vibration-resistant designs such as lock nuts and spring washers address loosening under dynamic loading, a common failure mode in machinery and automotive applications.
High tensile fasteners distribute clamping loads across joints, reducing stress concentration compared to point-fixing methods. Their strength-to-weight ratio supports weight-critical designs in structural steel, heavy equipment, and automotive sectors.
Common Applications
#
High tensile fasteners are specified in structural and mechanical assemblies requiring reliable high-strength connections.
- Structural steel connections in buildings and bridges
- Automotive chassis, engine, and body assembly
- Aircraft airframe and engine mounting
- Machinery and equipment assembly
- Electronics enclosure and PCB mounting
- Plumbing and HVAC pipe support
- Electrical panel and cabinet construction
- Marine vessel construction and repair
Read Me
| Thread System | Metric (ISO) or Imperial (Unified) |
| Thread Pitch | Coarse or Fine |
| Material | Carbon Steel, Alloy Steel (quenched and tempered) |
| Strength Grade | ISO 898-1 (8.8, 10.9, 12.9) or SAE (Grade 5, 8) |
| Surface Finish | Zinc Plated, Hot-Dip Galvanized, Black Oxide, Plain |
| Thread Tolerance | Metric 6g/6H or Unified 2A/2B (general purpose) |
