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Silver and Deming drill bit, 33/64 inch, black oxide finish, 118 degree point, 1/2 inch reduced shank

Chicago-Latrobe

Chicago-Latrobe 55433 118 Degree Silver & Deming Drill 33/64 in

SKU CH-SGRY-DP4AV

A 33/64 inch high-speed steel drill bit with a 118-degree point and 1/2 inch reduced shank for large-hole drilling

  • Product typeDrill Bits
  • 33/64 in diameter drills large holes
  • 118-degree point angle starts cleanly in metal
  • 1/2 in reduced shank fits standard chucks
  • High-speed steel resists heat during cutting
  • Black oxide finish reduces friction and wear

Drill Bit 33/64 Inch 118 Degree Point

The Chicago-Latrobe 55433 is a Silver & Deming drill bit with a 33/64 inch diameter and a 118 degree point angle. It is manufactured from high speed steel with a black oxide finish for general purpose drilling applications. The bit features a 1/2 inch reduced shank to fit standard drill chucks.

For General Machining With Half Inch Chucks

This bit suits machinists and maintenance technicians drilling metal stock using a drill press or handheld drill with a 1/2 inch capacity chuck. It is not for buyers who need a full shank matching the cutting diameter or a split point design for self-centring without a pilot hole.

Fits Standard Chucks Directly

Installation requires tightening the reduced shank into a 1/2 inch or larger drill chuck; no adapters or sleeves are needed. The most common issue is shank slippage if the chuck jaws are worn or not fully tightened on the reduced diameter section.

How it compares

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

Price $17.99
Cheaper than about 68% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCHICAGO-LATROBE
Product typeDrill Bits

Questions about this item

What size drill chuck is required for the 1/2 reduced shank on the 55433 bit?

The 55433 bit has a 1/2 reduced shank, so it fits any drill chuck that opens to at least 1/2 inch.

Will the 118 degree point angle on the 55433 bit work well in the mild steel I usually drill with older high-speed steel bits?

Yes, the 118 degree point on the 55433 is a general-purpose angle that performs comparably to standard high-speed steel bits in mild steel.

How can I confirm the 55433 bit is cutting correctly after I install it?

The 55433 should produce continuous, straw-coloured chips and a clean 33/64 inch hole without excessive heat or chatter.

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