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Proto 7/8" Black Oxide Alloy Steel Cold Hex Chisel

Proto 86A3/4X8
SKU PRO-86A34X8
Proto 7/8" Black Oxide Alloy Steel Cold Hex Chisel

Image may not depict product actual color, inclusions or accessories

This cold alloy steel hex shaped chisel has a modified parabolic striking end to help reduce mushrooming and chipping. This tool provides a hand ground cutting edge with a corrosion resistant black oxide finish.

  • Cutting Width: 7/8 in.
  • Stock Shape: Hex.
  • Overall Length: 8 in.
  • Material: Alloy Steel.
  • Finish: Black Oxide.
  • Tip Type: Straight.
  • Applicable Materials: Soft Cast Iron, Brass, Copper, Aluminum, Mild Steel, Bolts, Rivets.
  • Type: Cold Chisel.

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Proto 86A3/4X8 Description

This cold alloy steel hex shaped chisel has a modified parabolic striking end to help reduce mushrooming and chipping. This tool provides a hand ground cutting edge with a corrosion resistant black oxide finish.

  • Cutting Width: 7/8 in.
  • Stock Shape: Hex.
  • Overall Length: 8 in.
  • Material: Alloy Steel.
  • Finish: Black Oxide.
  • Tip Type: Straight.
  • Applicable Materials: Soft Cast Iron, Brass, Copper, Aluminum, Mild Steel, Bolts, Rivets.
  • Type: Cold Chisel.

Similar Chisel & Pick Products

22 Oz Rock Pick
Estwing 22 Oz Rock Pick
$48.07Each
E3-22P
$22.78Each
In Stock-

Ships between 03/23/2026 - 03/24/2026

ReturnThis item is non-returnable
Country of Origin

Made in the U.S.A.
This item is proudly made in the United States of America.

Proto
Visit The Proto Store

Product Specifications

Part Number86A3/4X8, 577-86A3/4X8
Country of OriginUSA
Weight0.94-lb
UPC662679010590

Shop Top 100 Tools & Hardware Products.

View other Chisel & Pick Best Sellers.

Manufacturer Description

7/8" Cold Chisel

  • Hand ground cutting edge. Modified parabolic striking end to help reduce mushrooming and chipping
  • Applicable Materials: Soft Cast Iron Brass Copper Aluminum Mild Steel Bolts Rivets
  • Finish: Black Oxide
  • Material: Alloy Steel
  • Type: Cold Chisel
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
Proto 7/8" Black Oxide Alloy Steel Cold Hex Chisel
$22.78Each
In Stock-

Ships between 03/23/2026 - 03/24/2026

ReturnThis item is non-returnable
Country of Origin

Made in the U.S.A.
This item is proudly made in the United States of America.

Similar Chisel & Pick Products

22 Oz Rock Pick
Estwing 22 Oz Rock Pick
$48.07Each
E3-22P

Proto 86A3/4X8 Description

This cold alloy steel hex shaped chisel has a modified parabolic striking end to help reduce mushrooming and chipping. This tool provides a hand ground cutting edge with a corrosion resistant black oxide finish.

  • Cutting Width: 7/8 in.
  • Stock Shape: Hex.
  • Overall Length: 8 in.
  • Material: Alloy Steel.
  • Finish: Black Oxide.
  • Tip Type: Straight.
  • Applicable Materials: Soft Cast Iron, Brass, Copper, Aluminum, Mild Steel, Bolts, Rivets.
  • Type: Cold Chisel.

Product Specifications

Proto
Visit The Proto Store
Part Number86A3/4X8, 577-86A3/4X8
Country of OriginUSA
Weight0.94-lb
UPC662679010590

Shop Top 100 Tools & Hardware Products.

View other Chisel & Pick Best Sellers.

Manufacturer Description

7/8" Cold Chisel

  • Hand ground cutting edge. Modified parabolic striking end to help reduce mushrooming and chipping
  • Applicable Materials: Soft Cast Iron Brass Copper Aluminum Mild Steel Bolts Rivets
  • Finish: Black Oxide
  • Material: Alloy Steel
  • Type: Cold Chisel
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

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