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Nachi 100% Original 77784, #4-40 Size, H3 Thread Limit, Bottoming Chamfer, Black Oxide High Speed Steel, Right Hand Cut Thread Forming Tap 1 pcs
Brand: Nachi
$8.65
★★★★★
5
(44 reviews)
- High Vanadium content for superior wear resistance, and are specially heat-treated for toughness.
- Black oxide surface treatment provides extra lubricity and resistance to galling and pickup.
- Tap geometry designed for optimum cutting performance and close control of tapped hole size.
- For internal threading in ductile materials without chips such as aluminum, brass, copper, zinc, die castings, etc.
- Manufactured from premium type High Vanadium high speed steel.
- Designed with more lobes and lubrication grooves, reducing tapping torque by allowing more coolant to reach critical contact areas.
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