Through-Hole Left Hand Boring Bits 57mm Long

413070 Carbide Tipped Through-Hole Boring Bit L/H 7mm Dia x 58mm Long x 10mm Shank

#413070

Specification
(D) Diameter 7mm
(B) Cutting Height 35mm
(d) Shank 10mm
Overall Length (L) 57mm
Rotation Left Hand

Industrial Through-Hole with V-Point Boring Bits are coated with a non-stick coating for longer lasting cutting edge and tool life.

Amana Tool® dowel drills are coated with a special Polytetrafluoroethylene (PTFE), a non-stick color coating. In cases where the carbide tip cutting edges are coated, there is no need to sand the coating off before use. Once the tool starts drilling, the coating is cleared off the needed cutting edge right away.
 
Amana's coating is applied onto the bit at a temperature of 570° F. The coating reduces the friction between the chip and the body inside the flute and it helps to clear the chips out of the hole during the drilling creating a cooler drilling area, no burning and longer lasting cutting edge.

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