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Silver HSS drill bit, 1-1/32 inch diameter, reduced 1/2 inch shank, spiral flutes

Drill America

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

SKU CH-66E4-48W2D

A 1-1/32 inch high-speed steel Silver and Deming bit with a 1/2 inch reduced shank for drilling large holes in metal

  • Product typeDrill Accessories
  • 1-1/32 inch capacity drills large holes
  • High-speed steel resists heat during cutting
  • Reduced 1/2 inch shank fits standard chucks
  • Surface-treated flutes improve chip evacuation

1-1/32" HSS Silver and Deming Drill Bit

The Drill America bit is a high-speed steel Silver and Deming drill with a 1-1/32 inch cutting diameter. Its 1/2 inch reduced shank allows use in standard drill chucks that cannot accept larger straight shanks. Surface-treated flutes improve chip evacuation and reduce friction during drilling operations.

Practical limits of the 1/2" reduced shank

The 1/2 inch shank fits common three-jaw chucks but transmits less torque than a full-diameter shank, so heavy feed pressure can cause slippage. The 3 inch flute length and 6 inch overall length restrict the maximum hole depth to roughly the flute length. The decimal equivalent of 1.0312 inches confirms the exact size for precision layout work.

How it compares

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

Price $34.99
Pricier 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 pick the 1-1/32 inch Silver and Deming bit or a different diameter for my half-inch chuck?

This bit has a 1/2 inch reduced shank that fits a standard half-inch drill chuck; choose it when you need a 1.0312 inch hole.

What does the 3 inch flute length mean when the bit is in the drill press?

The 3 inch flute gives you that much clear cutting depth before chips must be cleared, while the 6 inch overall length keeps the shank securely gripped.

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