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Cleveland C33840 HSS square end mill with TiCN coating

Cleveland

Cleveland C33840 2-Flute HSS Square Single End Mill TiCN

SKU CH-8HRD-PD7G0

Two-flute HSS square end mill with TiCN coating, 0.75 inch diameter and 1.3125 inch cut length

  • Product typeMilling
  • 2-flute design enables efficient chip evacuation in slots
  • TiCN coating extends tool life in steel and cast iron
  • 75 in cutting diameter suits medium milling passes
  • 3125 in length of cut reaches deep features
  • Weldon flat shank locks securely in standard holders

Cleveland C33840 End Mill

The Cleveland C33840 is a 2-flute high-speed steel square end mill with a TiCN coating for extended tool life. It suits general-purpose milling operations in ferrous and non-ferrous materials. The Weldon flat shank ensures secure clamping in standard holders. This tool is not suited for applications requiring coolant-through capability or necked clearance for deep cavities.

Sustained Load Behaviour

The TiCN coating reduces friction and heat buildup during prolonged cuts compared to uncoated high-speed steel. Two flutes provide efficient chip evacuation in slotting and pocketing, lowering the risk of re-cutting chips under continuous engagement. The rigid 5/8 in shank diameter resists deflection during heavy side loads. It is not designed for high-speed machining strategies that demand carbide substrate rigidity.

Thermals Noise and Power

Cutting temperatures remain manageable in conventional milling parameters due to the coating's thermal barrier properties. No internal coolant channels mean external flood or mist coolant is required for heat-intensive operations. Vibration levels depend on machine spindle condition and workholding rigidity rather than tool geometry alone. Power consumption scales directly with material removal rate and workpiece hardness.

How it compares

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

Price $46.99
Pricier than about 65% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeMilling

Questions about this item

How much heat does the 0.75 in diameter HSS body generate during a full day of milling?

High-speed steel conducts heat into the chips rather than the tool holder, so the 0.75 in cutter stays cooler than carbide equivalents during extended cuts.

What holder or machine interface is required for the 5/8 in Weldon flat shank?

A standard Weldon side-lock holder with a 5/8 in bore accepts the flat directly — no collet, sleeve or adapter is needed.

Will the 1.3125 in length of cut reach the same depth as the older 1 in flute tools I already own?

The 1.3125 in flute length exceeds 1 in tools by about 0.31 in, so it reaches deeper pockets without changing set-ups.

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