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Silver and Deming drill bit with reduced shank and treated flutes

Drill America

Drill America 1-11/64in HSS 1/2in Reduced Shank Silver and Deming Drill Bit pneumatic accessory

SKU CH-RM2W-HBQPR

High-speed steel drill bit with reduced 1/2in shank for 1-11/64in holes

  • Product typeDrill Accessories
  • Large 1-11/64 inch hole capacity
  • High-speed steel construction resists wear
  • 1/2 inch reduced shank fits standard chucks
  • Silver and Deming design for deep drilling

1-11/64" HSS Silver and Deming Drill Bit

This high-speed steel drill bit features a 1/2" reduced shank for use with standard drill chucks. It is designed for general-purpose drilling in metal, wood and plastic. The silver and deming style provides a large cutting diameter while fitting smaller chucks. Suitable for maintenance, fabrication and automotive repair tasks.

Surface-treated flutes for chip evacuation

The flutes receive a surface treatment that aids chip removal and reduces friction during drilling. High-speed steel construction resists heat buildup under normal operating speeds. The 1.1719" decimal equivalent diameter creates clean holes with consistent accuracy. Overall length of 6" and flute length of 3" provide reach for deeper holes.

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

How do I install the 1-11/64 inch HSS Silver and Deming drill bit in a 1/2 inch chuck without damaging the reduced shank?

Open the chuck fully, insert the reduced shank until the flutes clear the jaws, then tighten securely; the step often missed is verifying the shank seats past the jaws so the 1.1719 inch body runs true.

When will the surface-treated flutes on this 1-11/64 inch bit need replacement or resharpening?

Replace or resharpen when the surface-treated flutes no longer clear chips cleanly or the 1.1719 inch cutting diameter wears undersize; inspect after each job for dull edges or discoloration.

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