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The actual product may look different from the pictures but retains its basic features.

AG-ESS drills NACHI AGESS12.4

Drill bit diameter/ size: 12.4mm; Shank diameter: 12mm; Full length: 108mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy See More

Model:

AGESS12.4

Brand: NACHI

Series: AGESS series

Category: Metal drill bits

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Catalog

Specifications of AG-ESS drills NACHI AGESS12.4
Drill bit diameter/ size	12.4mm
Shank diameter	12mm
Full length	108mm
Bit style	Spiral flute
Is best used on	30...40 HRC, S45C, S50C, SCM NAK, SS400
Good for using on	AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy
Type	Metal drill bits
System of measurement	Metric
Set/Individual	Individual
Material	High alloy high speed steels (FMX)
Coating	AlCr coating (AG)
Point style	Split
Point angle	135°
Groove length	51mm
Shank type	Round (Straight shank)
Shank head dimension	10mm
Flute direction	Clockwise (right-handed)
Twist angle	34...38°
Not use on	40...50 HRC, 50...65 HRC
Overall diameter	12.4mm
Overall length	108mm