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Steel scaling chisel with round 0.401 in shank and 5/8 in tip

Westward

Westward 4MHE7 Scaling Chisel 0.401 In Shank 5/8 In Tip

SKU CH-S3CV-ET7G0

Scaling chisel with a 0.401 in round shank and 5/8 in tip for air hammers, made from 42CRMO steel

  • Product typeAngle, Pitch & Slope Locators
  • Scaling chisel fits 0.401 in shank air hammers
  • 5/8 in tip width suits edging tasks
  • 42CRMO steel grade resists wear under impact
  • 5 3/8 in overall length gives reach in tight spots
  • Round collar design aligns securely in compatible tools

Westward 4MHE7 Scaling Chisel

The Westward 4MHE7 is a scaling chisel designed for use with compatible air hammers. It features a 0.401 in round shank and a 5/8 in wide tip made from 42CRMO steel. The overall length measures 5 3/8 in.

Suited for air hammer scaling tasks

This chisel fits air hammers that accept a 0.401 in round shank and IR scaler style. It is not a non-sparking tool, so it is unsuitable for environments requiring spark-resistant equipment. Buyers needing a different shank diameter or collar type should look elsewhere.

0.401 in round shank compatibility

The shank size and round collar determine whether this chisel fits the intended air hammer. Verify the tool accepts a 0.401 in round shank with IR scaler styling before purchase.

How it compares

Measured against everything we stock in Utility & Specialty Hand Tools, at today’s prices. Recalculated every night.

Price $6.99
Cheaper than about 90% of the 2,474 comparable items (median $23.99).

Specifications

Product
Brand nameWestward
Product typeAngle, Pitch & Slope Locators

Questions about this item

How do I fit the 0.401 in round shank into my air hammer and what step is often missed?

Insert the round shank fully into the air hammer chuck and tighten the retainer until the collar seats; the step often missed is confirming the collar sits flush so the chisel cannot rotate under impact.

What maintenance or replacement will the 42CRMO steel scaling chisel need after extended edging work?

The tip will gradually mushroom and lose its 5/8 in cutting profile; dress it with a bench grinder or replace the chisel once the edge no longer cleans scale cleanly.

What limit appears first when the chisel is used continuously on heavy scaling jobs?

The 5 3/8 in overall length transmits vibration to the operator’s hand, so fatigue and heat buildup in the shank become the practical limit before the steel itself yields.

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