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Silver and Deming drill bit, 1-7/32 inch HSS with 1/2 inch reduced shank, silver finish

Drill America

Drill America 1-7/32in HSS 1/2in Reduced Shank Silver and Deming Drill Bit pneumatic accessory

SKU CH-D90B-P0ZXQ

High-speed steel drill bit with a 1/2in reduced shank and 3in flute length for drilling 1-7/32in holes in metal

  • Product typeDrill Accessories
  • 1-7/32 inch drilling capacity for large-hole applications
  • HSS construction resists wear during extended use
  • Reduced 1/2 inch shank fits standard drill chucks
  • Surface-treated flutes improve chip evacuation at 1.2188 inch diameter

1-7/32 inch Silver and Deming Drill Bit

This high-speed steel drill bit features a 1/2 inch reduced shank for use in drill presses and large chucks. It is designed for drilling large-diameter holes in metal and other materials. The silver and deming style provides a practical solution when standard twist drills cannot reach the required size.

Reduced shank limits chuck compatibility

The 1/2 inch shank requires a chuck capacity of at least that diameter, so it will not fit standard 3/8 inch portable drills. Flute length of 3 inches and overall length of 6 inches restrict the maximum depth of cut in a single pass. Surface-treated flutes aid chip evacuation but do not eliminate the need for proper cutting fluid and speed control.

How it compares

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

Price $40.99
Pricier than about 62% 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 1-7/32" reduced shank bit or a standard shank version for my 1/2" drill chuck?

The reduced shank fits directly into a 1/2" chuck without needing a larger capacity drill, so it is the correct choice for that chuck size.

What does the 1.2188 decimal equivalent mean when I am drilling a hole?

It is the exact diameter in inches that the bit will cut, so the finished hole will measure 1.2188" across.

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