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Silver twist drill bit with split point and gold TiCN coating near shank

Chicago-Latrobe

Chicago-Latrobe 43796 135° Heavy-Duty Jobber Length Drill Bit Z .4130

SKU CH-PGED-JSC1V

A 135-degree split-point jobber drill bit in high-speed steel with TiCN coating, sized Z at .4130 decimal equivalent for heavy-duty drilling

  • Product typeDrill Bits
  • Main materialHAWA
  • 135° split point starts on contact without wandering
  • TiCN coating resists wear for longer cutting life
  • High-speed steel body handles heavy-duty drilling demands
  • Jobber length gives standard reach for general use
  • Size Z .4130 decimal fits precise letter-gauge holes

Chicago-Latrobe 43796 Jobber Drill Bit

The Chicago-Latrobe 43796 is a heavy-duty jobber length drill bit manufactured for demanding drilling tasks. It is built from high speed steel with a TiCN coating to extend tool life in tough materials. The split point design ensures accurate starting without centre punching. This bit suits professional mechanics and fabrication shops.

135 Degree Point Angle and Z Size Capacity

The 135 degree point angle provides strong centring and reduces thrust when drilling hard metals such as stainless steel. Decimal size .4130 handles letter Z holes for specific bolt clearance or tapping requirements. The jobber length offers standard reach for general workshop depth. Non-coolant through construction limits use in deep-hole high-heat applications.

Split Point High Speed Steel Construction

The split point geometry is the critical specification that determines suitability for precision work on hard alloys. It eliminates walk and lowers drilling force compared to conventional points. TiCN coating adds surface hardness and lubricity for stainless and titanium. Buyers needing coolant-fed drilling or carbide substrate must select a different tool.

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
Size & build
Main materialHAWA

Questions about this item

Will this Z-size .4130 drill bit fit the chuck on my older 1/2-inch drill press?

The jobber-length shank is sized for standard drill chucks that accept letter-gauge bits, so it will seat in a 1/2-inch capacity chuck without an adapter.

How can I confirm the 135-degree split point is cutting correctly after I install the bit?

A properly centered split point starts on contact without walking, produces short curled chips in steel, and leaves a round hole at the .4130 decimal size.

Does the TiCN-coated high-speed steel bit come with a protective case or just the single bit?

The package contains only the individual 43796 drill bit; no case, index or additional accessories are included.

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