Tips

FAQ

No.20 Hex Shank Iron Drill Bits / No.20-L Hex Shank Long Iron Drill Bits / No.26 Hex Shank Stainless Steel Drill Bits

Q: Please kindly teach me one point tip to keep using the long period of Iron drill and our brand Stainless steel drill bits.
A: One point of advice is that after you used this type of drill bits for making a hole, please using cutting oil for cleaning and checking discharge condition carefully of chips. It adjusts the rotation speed. Following this point, the drill bits can be used for a long period.

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