Products
With distinguished materials and technology,CUTTING TOOLS
SPARE PARTS
Characteristics of screws
Way to check the product specifications
ExForm of use
Wrench
Metric thread
Length
Angle
Additional items
High+Strength
14.9 grade
14.9 grade screw are higher toughness than 12.9 grade screws and 1,400N/§± of tensile strength.
Comparison of mechanical property
Grade | Tensile strength (N/§±) | 0.2% Yield strength (N/§±) | Proof load (N/§±) |
8.8 | 800 | 640 | 580 |
10.9 | 1,000 | 900 | 830 |
12.9 | 1,200 | 1,080 | 970 |
14.9 | 1,400 | 1,260 | 1,120 |
X-Treatment
X-Treatment refers to CMT's exclusive technology, which uses expanded heat treatment on metal or alloy surfaces to create the hardened layer that customers demand.
Characteristics of screws
Testing Data