Mueller Kueps 290 231 6" Concave Hammer Insert

Key Facts

Part Number: 290 231

• 6" concave hammer insert for precision impact applications
• Concave tip design ensures accurate centering of bolts and pins
• 0.401" shank for secure fit with compatible air hammers
• Designed for controlled, damage-reducing impact force
• Ideal for professional automotive and industrial use

Overview

The 6" Concave Hammer Insert is engineered for precision impact work where accuracy and control are critical. Its concave tip design allows for centered contact on bolts, pins, and similar components, reducing the risk of slipping or surface damage during use.

Designed to fit tools with a 0.401" shank, this insert is commonly used with vibro-impact and air hammer systems. It provides focused force application, making it especially useful in delicate or controlled removal and installation tasks.

Features

• Concave tip for precise centering of fasteners and pins
• 6" length provides reach and control in tight areas
• 0.401" shank ensures compatibility with standard air hammer tools
• Supports controlled impact to minimize component damage
• Durable construction for repeated professional use

Technical Specifications

• Length: 6" (150 mm)
• Shank Size: 0.401"
• Tip Design: Concave
• Type: Hammer insert

Compatibility

• Compatible with air hammers and vibro-impact tools with 0.401" shank
• Designed for use with Mueller-Kueps Vibro-Impact® Hammer systems

Use Cases

• Driving and removing pins and bolts with precision
• Automotive repair and maintenance tasks
• Machinery assembly and disassembly
• Controlled impact applications where accuracy is critical

What’s Included

• 1 × 6" Concave Hammer Insert

Category FAQs

• What is a concave hammer insert used for?
  It is used to center impact force on bolts or pins, reducing slippage and improving accuracy during hammering.
• Why use a concave tip instead of flat?
  A concave tip helps keep the tool aligned on rounded or recessed surfaces, improving control and reducing damage risk.
• What tools is this insert compatible with?
  It fits air hammers and vibro-impact tools that use a 0.401" shank.
• Is this suitable for heavy-duty use?
  Yes, it is designed for repeated professional use in automotive and industrial environments.