4-40 HSS JOBBER STEP DRILL 45 Degree Chamfered - 1 pack- ID: 923-370 4-40

Part Number: 923-370 4-40

Your Price: $32.47CAD

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4-40 HSS JOBBER STEP DRILL 45 Degree Chamfered - 1 pack- ID: 923-370 4-40

Feature: Screw Size: 4-4

Feature: Minor Diameter: .089 Inch

Feature: Major Diameter: .1285 Inch

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4-40 HSS JOBBER STEP DRILL 45 Degree Chamfered - 1 pack- ID: 923-370 4-40

A step drill bit is a drill bit that has the tip ground down to a different diameter. The transition between this ground diameter and the original diameter is either straight, to form a counterbore, or angled, to form a countersink. The advantage to this style is that both diameters have the same flute characteristics, which keeps the bit from clogging when drilling in softer materials, such as aluminum; in contrast, a drill bit with a slip-on collar does not have the same benefit. Most of these bits are custom-made for each application, which makes them more expensive

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6 COBALT JOBBER STEP Drill - For Cap Screw - 1 pack- ID: 923-371C 6

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4-40 HSS JOBBER STEP DRILL 45 Degree Chamfered - 1 pack- ID: 923-370 4-40

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4-40 HSS JOBBER STEP DRILL 45 Degree Chamfered - 1 pack- ID: 923-370 4-40

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