Bettomshin 3.3mm Twist Drill High Speed Steel Bit HSS-4241 for Steel Aluminum Alloy 10pcs

Bettomshin 3.3mm Twist Drill High Speed Steel Bit HSS-4241 for Steel Aluminum Alloy 10pcs

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SKU:
ZD98437
Condition:
New
Availability:
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Bettomshin 3.3mm Twist Drill High Speed Steel Bit Technical Parameters Bit Diameter: 3.3mm / 0.13 inch Shank Diameter: 3.3mm / 0.13 Material: High Speed Steel 4241 Surface Treatment: Grind and Heat Treatment Color: Silver HRC: 62-63 Package Content 10 Pcs x Twist Drill How to Use Twist Drill Bits *Ensure the left and right cutting edges of the drill are symmetrical when drilling. *Observe the uniformity of the spark while drilling, adjust the pressure in time, and pay attention to the cooling of the bit.
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