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Silver and Deming drill bit 27/32 inch reduced shank 1/2 inch HSS surface treated flutes

Drill America

Drill America 27/32in HSS 1/2in Reduced Shank Silver and Deming Drill Bit pneumatic accessory

SKU CH-9QA5-RNBNH

A 27/32 inch HSS Silver and Deming drill bit with a 1/2 inch reduced shank for drilling large holes in metal

  • Product typeDrill Accessories
  • 27/32 inch drilling capacity for large-hole applications
  • High-speed steel construction resists wear during heavy use
  • Reduced 1/2 inch shank fits standard drill chucks
  • Silver and Deming design enables deep-hole drilling

27/32 inch Silver and Deming drill bit

This Drill America bit is a high-speed steel Silver and Deming drill with a 1/2 inch reduced shank. It is designed for drilling large holes in metal where the drill press or chuck capacity is limited to 1/2 inch. The surface-treated flutes help clear chips efficiently during operation.

Upgrading from standard twist drills

Standard twist drills larger than 1/2 inch typically require a larger chuck that many handheld drills lack. This reduced-shank design allows the 27/32 inch cutting diameter to be used in a common 1/2 inch chuck. The jump is worth it when you need a single large hole size without buying a larger drill press or specialty chucking system.

How it compares

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

Price $16.99
Cheaper than about 70% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameDrill America
Product typeDrill Accessories

Questions about this item

Will the 1/2in reduced shank fit my 1/2in drill chuck?

Yes, the 1/2in reduced shank is made for a standard 1/2in chuck; tighten all three jaws evenly so the bit runs true.

What is the correct way to start the 27/32in bit so it does not walk?

Centre-punch the workpiece, apply steady pressure at low speed, and use cutting fluid to keep the HSS flutes cool.

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