Nachi 100% Original 0773828 4.50mm Size 135° Solid Carbide Screw Machine Length Stub Drill 1 pcs
Brand: Nachi
$9.11
- New carbide material adds both hardness & toughness.
- Improved wear resistance & chipping resistance.
- New straight cutting edges breaks up cutting stress.
- Improved strength against corner chipping.
- New coating REVO-D suitable for drilling multiple materials.
- Effective on aluminum (casting & billet), brass & copper, cast iron (ductile & cast), stainless steel (400 & 300 series, as well as 17-4 PH), titanium & nickel alloys, & hardened steels up to 50HRc.
- High oxidation & wear resistance.
- Low friction & smooth chip evaluation from super smooth surface treatment.
- Helix angle: 30°
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