Is the higher the hardness of the batch head, the better?

Answer: The hardness of a good batch should be made of S2 material, and the hardness of the batch is controlled by heat treatment. is controlled by heat treatment, not the harder the more durable, the harder The hardness is too high, easy to collapse the head, the hardness is too soft, easy to slip the wire, the international The internationally recognized stable hardness is HRC60±.

What does the PH value of the cutter head indicate?

Answer:PH indicates the sharpness and bluntness of the cutting head of the batch, the smaller the value The smaller the value, the more pointed the bit.
Large home appliances appliance screws to PH2-based, small appliances to PH1-based, precision instruments to PH0/PH00-based.

● Features : 

Professional quality professional screwdriver bits specifically designed for use with impact drivers.

- Forged for greater impact resistance and longer life
- Tough, heat-treated bits for increased durability and reduced breakage
- Ideal for continuous high-torque use, withstands load changes due to elasticity
- S2 grade steel construction
- Superb strength
- Optimal hardness
- Optimal torque zone for increased service life
- Precision milled profile for optimal fit
- Special drill bit design for tough fastening applications

Complete specifications, a wide range, can easily cope with a variety of operating environments, hinge installation, pendant fixing, furniture assembly, vehicle maintenance, decoration, factories and other operations applicable, a variety of wind drill, cordless drill, hand drill, screws and other tools. 

 ● Warm Tips: 

Package Include: According to your choice.