7 db M3-M12 HSS metrikus spirális hornyos csavarfúró nitridáló HSS csavarmenetes menetfúró

7Pcs M3-M12 HSS Metric Spiral Flute Screw Drill Nitriding HSS Screw Thread Tap Bits
 
 
Feature:
100% brand new and high quality.
Sharp and durable, the cutting edge strength is high.
The application of nitriding enhances the abrasion performance, surface hardness, fatigue limit, anti erosion ability of the tapping.
Small resistance, smooth chip removal, smooth cutting surface, no residue, with good machinability, it can tap to the button of blind hole.
Flexible to be use, processing efficiency, good stability, safe and reliable, widely used, low processing cost, can be applied to a variety of jobs.
Specifications:
Material: HSS
Hardness: 35 HRC
Surface treatment: Nitriding
Diameter of Head: 3mm,4mm,5mm,6mm,8mm,10mm,12mm
Package Included:
7 X Nitriding HSS Screw Thread Tap
Note:
1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!