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Cleveland C40505 2-flute HSS single-end 90-point drill mill, uncoated steel finish

Cleveland

Cleveland C40505 2-Flute HSS Single End 90-Point Drill Mill

SKU CH-N1MS-ZBS3N

A 90-degree high-speed steel drill mill performs both drilling and milling in a single uncoated tool

  • Product typeMilling
  • Two-flute design clears chips efficiently during drilling and milling
  • High-speed steel construction resists wear in general-purpose machining
  • 90-degree point angle suits combined drilling and countersinking tasks
  • Single-end configuration simplifies tool changes in the spindle
  • Uncoated surface allows economical resharpening for extended tool life

What this tool does

The Cleveland C40505 is a 2-flute HSS single-end drill mill designed for milling operations. It suits machinists and fabricators who need a combined drilling and milling cutter in one tool. The uncoated high-speed steel body handles general-purpose metal cutting. It is not for buyers who require coated tooling for high-temperature alloys.

Thermals noise and power

Heat generation depends on the machine spindle speed, feed rate and workpiece material rather than the cutter itself. The uncoated HSS construction tolerates typical milling temperatures when proper coolant or lubrication is applied. No power-draw or noise figures are inherent to the accessory.

90-degree point angle

The 90-degree point angle determines the chamfer profile and starting behaviour in the workpiece. This fixed geometry suits centred drilling and chamfering tasks that call for a right-angle included angle. Select a different point angle if the joint design or hole preparation requires a sharper or shallower profile.

How it compares

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

Price $150.99
Pricier than about 90% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeMilling

Questions about this item

How do I install the Cleveland C40505 drill mill and what step do people often get wrong?

Secure the 1 in shank fully in the collet or chuck before tightening; the common error is leaving a gap that lets the tool pull out under load.

What maintenance or replacement will the Cleveland C40505 need later?

The uncoated high-speed steel flutes will dull with use; plan to resharpen or replace the tool once the 90-degree point no longer cuts cleanly.

What limit appears first on the Cleveland C40505 during sustained cutting?

Heat buildup in the uncoated HSS body reduces edge hardness fastest, so cutting speed must drop before the 90-degree point wears excessively.

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