Product Description：
Name: Impact Drill Bit
Material: Chromium Vanadium Steel
Blade: Alloy blade
Standard: Metric
Drill body: High temperature quenching
Example: M6 * 110 (Drill Bit Diameter M6; Drill Bit Total Length 110mm)
Drill Bit Diameter: M6/M6.5/M8/M10/M12/M14/ M16/ M18/M20
Drill Bit Total Length:110mm/160mm/200mm/150mm
Shank Shape：Round Shank / Square Shank
Round Shank: Two Pits and Two Grooves
Square Shank: Four Pits
Customer service online time：
Our working hours are from 8:30 am to 17:30 pm Beijing time Monday to Saturday，(excluding Chinese holidays and special circumstances).
If the customer service does not reply to the message in time, please be patient, we will reply you immediately when we see the message.
Issue Resolution：
If you encounter any problems with your order, we are here to help. Please reach out to us, and we will do our best to address and resolve any issues in a timely manner.
