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Cylindrical cobalt drill bit with split-point tip and matte finish

Drill America

Drill America 17/32in Cobalt Stub Drill Bit Split Point

SKU CH-PP3B-0B966

Cobalt stub drill bit with 135 degree split point for self-centering, reduced thrust drilling in iron and steel

  • Product typeDrill Accessories
  • Cobalt construction handles tough iron and steel drilling
  • 135-degree split point centres itself and cuts thrust
  • Short stub length fits tight spindle clearances
  • Made to Aerospace Standard 907 for consistent quality
  • Suits portable drills and machine setups alike

Drill America 17/32in Cobalt Stub Bit

This 17/32in cobalt stub drill bit is manufactured to Aerospace Standard 907 for professional use. It suits mechanics and fabricators who need a short, rigid tool for drilling iron and steel alloys in tight spaces.

135 Degree Split Point Limits

The 135 degree split point is self-centering and reduces thrust during portable or machine drilling. Sizes larger than 1/2in revert to a 118 degree standard point, so this bit sits at the upper edge of the split-point range.

Installation and Common Issues

The stub length fits screw-machine setups where spindle clearance is limited. Breakage can occur if the workpiece is not clamped securely or if excessive feed pressure is applied to the shorter flute length.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 57% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameDrill America
Product typeDrill Accessories

Questions about this item

Should I choose the 17/32 inch cobalt stub bit or a different size for my project?

The 17/32 inch size is the only diameter offered for this specific cobalt stub drill bit. Select it when your application requires this exact hole size in iron or steel materials.

How does the 135 degree split point perform when drilling steel on a job site?

The 135 degree split point is self-centering and reduces thrust, allowing easier starts and less pressure during portable or machine drilling in steel and iron families.

What does the Aerospace Standard 907 rating mean for the bit's shank compatibility?

Manufactured to Aerospace Standard 907, the short rugged construction fits screw machine setups where spindle clearance is limited, common in automotive and construction use.

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