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Silver split-point jobber drill bit .4040 size 135-degree angle

Chicago-Latrobe

Chicago-Latrobe 45795 135° Heavy-Duty Jobber Drill Bit .4040

SKU CH-N9AJ-3S3TK

Drills precise holes in metal with a 135-degree split point and black oxide finish

  • Product typeDrill Bits
  • Main materialHAWA
  • 135° split point starts on contact without walking
  • High-speed steel with black oxide resists wear and corrosion
  • Jobber length gives standard reach for general drilling
  • Decimal size .4040 matches exact specification needs
  • Letter size Y fits precise hole-chart requirements

Drill Bit Y Size Split Point

This Chicago-Latrobe jobber drill bit carries the model number 45795 and is sized to letter Y with a decimal equivalent of .4040. It features a 135 degree split point that starts on contact and reduces walking across the workpiece surface. The black oxide finish adds lubricity and resists corrosion during storage and use.

Suited for hand drilling in steel and alloy

Machinists and maintenance technicians who need a reliable high speed steel bit for general purpose drilling will find this tool fits the task. The split point geometry helps centre the bit without a centre punch in softer materials. Buyers who require coolant through holes or a cobalt substrate for sustained high temperature cutting should select a different style.

HAWA high speed steel construction

The bit is manufactured from HAWA designated high speed steel rather than cobalt or carbide grades. This material choice determines wear resistance and red hardness for the intended intermittent drilling cycles. No other substrate or coating options are offered for this part number.

How it compares

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

Price $6.99
Cheaper than about 92% 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

Should I choose the .4040 size or another diameter?

The .4040 decimal equivalent identifies this specific drill bit; select it when your application requires that exact hole diameter.

What does the 135 degree point angle do in use?

The 135 degree split point reduces walking and starts drilling on contact, especially in harder materials.

How does the jobber length design affect drilling depth?

Jobber length provides standard flute and overall length for general-purpose drilling in a wide range of materials.

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