Cobalt Double Margin Drill – Jobber Length (Wire Gauge)

SKU: 240 WG

From: $33.65 ex. GST

Double margin pilot drills are designed to be used when close tolerances and high concentricity are a priority. After drilling past the pilot diameter, the second margin stabilizes the drill allowing for an extremely concentric close tolerance hole. Often this can eliminate the need to ream the hole all together.
Designed for/but not limited to: Stainless steels, titanium, aluminium alloys and various other heat-treated materials.

Jobber Length

135° self centre split point.

Manufactured to National Aerospace Standard 907 Type J.

SKU: 240 WG Categories: , ,

Description

Double margin pilot drills are designed to be used when close tolerances and high concentricity are a priority. After drilling past the pilot diameter, the second margin stabilizes the drill allowing for an extremely concentric close tolerance hole. Often this can eliminate the need to ream the hole all together.
Designed for/but not limited to: Stainless steels, titanium, aluminium alloys and various other heat-treated materials.

Jobber Length

135° self centre split point.

Manufactured to National Aerospace Standard 907 Type J.

Additional information

Wire Gauge Ø

#30 (.1285"), #20 (.1610"), #8 (.1990")

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