[Robust Material] Made of high grade high speed steel materials, which is Robust, wear Withstand and can be used for a long time.
[Simple To Control] This weld drill bit is easy to control when cutting, no need to detect the bottom surfaces, easy to use to meet your various need.
[Non Slip] With non slip special centering pen point design, with flat shaft to ensure grip, so you can use it with confidence.
[Stable Performance] The coating provides a smooth drilling experience and prevents dullness due to overheating, thereby extending performance.
[Suggestion] It is recommended to use cutting lubricants and spot welding chisels to extend the life of these drill bits (lubricants and chisels are not included).