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Silver HSS drill bit with reduced shank, 1-11/32 inch diameter

Drill America

Drill America D/ARSD1-11/32 1-11/32in HSS Reduced Shank Drill Bit

SKU CH-EBVZ-TDSA7 MPN D/ARSD1-11/32

1-11/32 inch HSS Silver and Deming drill bit with 1/2 inch reduced shank for large-hole drilling in standard chucks

  • Product typeDrill Accessories
  • 1-11/32 inch diameter bores large holes
  • High-speed steel resists heat during drilling
  • 1/2 inch reduced shank fits standard chucks
  • Silver and Deming design suits heavy-duty use

1-11/32in HSS reduced-shank drill bit

This high-speed steel Silver and Deming drill bit has a 1-11/32in cutting diameter and a 1/2in reduced shank that fits standard 1/2in drill chucks. It is suited for machinists and maintenance technicians who need to enlarge existing holes in metal.

Decimal size 1.3438in determines fit

The bit’s decimal equivalent is 1.3438in, so the workpiece must already have a pilot hole at or near that size. Buyers who need a smaller starting diameter or a larger shank for a different chuck will need a different bit.

How it compares

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

Price $61.99
Pricier than about 72% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameDrill America
Model nameD/ARSD1-11/32
Product typeDrill Accessories

Questions about this item

What does the 1.3438 decimal size mean when the bit is chucked in a drill?

The 1.3438 inch diameter is the exact cutting width; the reduced 1/2 inch shank fits standard drill chucks while the larger body drills a 1-11/32 inch hole.

How does the 1/2 inch reduced shank limit the bit in use?

The 1/2 inch shank fits common three-jaw chucks, but torque must stay within the chuck's grip capacity to prevent slipping during heavy drilling.

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