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Straw-bronze cobalt jobber drill bit, split point, size 29

Chicago-Latrobe

Chicago-Latrobe 46699 #29 135° Cobalt Jobber Drill Bit

SKU CH-DJK2-21C4M

Drills 0.1360 inch holes with a 135 degree split point in tough materials using cobalt steel

  • Product typeDrill Bits
  • Main materialHAWA
  • Cobalt steel resists heat and wear during heavy-duty drilling
  • 135-degree split point starts accurately without centre punching
  • Jobber length gives standard reach for general workshop tasks
  • Size #29 matches 0.1360 inch decimal equivalent for precise holes
  • Chicago-Latrobe 46699 built for professional power tool use

Chicago-Latrobe 46699 Cobalt Jobber Drill Bit

This Chicago-Latrobe 46699 is a new jobber-length drill bit made from cobalt steel. It carries a 135 degree split-point tip and a straw-bronze surface finish. The bit is designated wire-gauge size 29 with a decimal equivalent of .1360 inches.

Suited for drilling hard metals

The cobalt construction and 135 degree split point suit maintenance and production drilling in stainless steel, titanium and other tough materials. The split point reduces walking on hard surfaces. Buyers who need a coolant-through design or a different point angle should look at something else.

135 degree split-point geometry

The 135 degree split-point geometry is the specification that determines whether this bit matches the application. It centres quickly without a centre punch and performs best in materials that demand a sharp, self-centring point.

How it compares

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

Price $1.99
Cheaper than about 98% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCHICAGO-LATROBE
Product typeDrill Bits
Size & build
Main materialHAWA

Questions about this item

Will the #29 shank fit a standard 3/8 in drill chuck?

The #29 jobber bit has a 0.1360 in diameter shank, so it fits any chuck that accepts 3/8 in or larger capacity.

How do I start a hole with the 135° split point without the bit walking?

Apply light pressure and let the self-centring split point engage the metal before increasing feed; the 135° angle reduces wandering on hard materials.

When should I replace this cobalt bit?

Replace the bit when the cutting lips show visible rounding or the straw/bronze surface colour wears away, indicating the cobalt edge is dull.

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