The conical pick tooth body of construction machinery is made of high-strength alloy structural steel such as 42CrMo and 35CrMnSi, which is strengthened by heat treatment; The alloy head is tungsten cobalt carbide (YG8, etc.), which is fixed by brazing. In mines, tunnels and other projects, it ca

The conical pick tooth body of construction machinery is made of high-strength alloy structural steel such as 42CrMo and 35CrMnSi, which is strengthened by heat treatment; The alloy head is tungsten cobalt carbide (YG8, etc.), which is fixed by brazing. In mines, tunnels and other projects, it ca

The conical pick tooth body of construction machinery is made of high-strength alloy structural steel such as 42CrMo and 35CrMnSi, which is strengthened by heat treatment; The alloy head is tungsten cobalt carbide (YG8, etc.), which is fixed by brazing. In mines, tunnels and other projects, it ca

The conical pick tooth body of construction machinery is made of high-strength alloy structural steel such as 42CrMo and 35CrMnSi, which is strengthened by heat treatment; The alloy head is tungsten cobalt carbide (YG8, etc.), which is fixed by brazing. In mines, tunnels and other projects, it ca

The conical pick tooth body of construction machinery is made of high-strength alloy structural steel such as 42CrMo and 35CrMnSi, which is strengthened by heat treatment; The alloy head is tungsten cobalt carbide (YG8, etc.), which is fixed by brazing. In mines, tunnels and other projects, it ca

The conical pick tooth body of construction machinery is made of high-strength alloy structural steel such as 42CrMo and 35CrMnSi, which is strengthened by heat treatment; The alloy head is tungsten cobalt carbide (YG8, etc.), which is fixed by brazing. In mines, tunnels and other projects, it ca

The conical pick tooth body of construction machinery is made of high-strength alloy structural steel such as 42CrMo and 35CrMnSi, which is strengthened by heat treatment; The alloy head is tungsten cobalt carbide (YG8, etc.), which is fixed by brazing. In mines, tunnels and other projects, it ca

The conical pick tooth body of construction machinery is made of high-strength alloy structural steel such as 42CrMo and 35CrMnSi, which is strengthened by heat treatment; The alloy head is tungsten cobalt carbide (YG8, etc.), which is fixed by brazing. In mines, tunnels and other projects, it ca