Gold-coated twist drill bit lying horizontally on a white background, showing its spiral flutes and cutting tip
Packaging for Alpha drill bit, cobalt series, #40, 2.49 mm, heavy‑duty stainless steel drill bit with purple clamp top and yellow/black label.
Infographic: a 135° split point that cuts faster and reduces wandering.

No.40 Gauge (2.49mm) Jobber Drill Bit – Cobalt Series

SKU: 9LG40CO
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Technical Specs

Type of Measure
Gauge
Diameter (gauge)
40.0000
Series
Cobalt
Flute Length (mm)
31.0000
OAL (mm)
56.0000
Subcategory
Cobalt Drills Gauge

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