IMPA: 633061

High Speed Steel Tip Welded Tool Bits – Bore Finishing Tool Model No. 42

The Model No. 42 High Speed Steel Tip Welded Tool Bit is a precision bore finishing tool designed for marine engineers and metalworkers who demand clean, accurate internal diameter finishes. The high speed steel tip is securely welded to a robust body, offering excellent heat resistance and edge retention during extended lathe operations.

Ideal for use in shipboard workshops, this welding-type tool bit delivers reliable performance on a wide range of ferrous and non-ferrous materials. The Model No. 42 configuration provides the rigidity and cutting geometry needed for effective boring and finishing, helping to prolong tool life and reduce downtime on repetitive repair jobs.

Key Features

Technical Specifications

ModelNo. 42
IMPA Code633061
CategoryIMPA 63 – Cutting Tools
Tip MaterialHigh Speed Steel
Body MaterialHeat-treated alloy steel
TypeWelded tool bit
ApplicationBore finishing, internal turning, marine maintenance
Cutting EdgePrecision ground HSS tip

Frequently Asked Questions

What is the Model No. 42 tool bit used for?

The Model No. 42 is a high speed steel tip welded tool bit designed for bore finishing and internal turning operations. It is commonly used in marine engineering workshops for precision repair and maintenance work.

Can this tool be used on stainless steel?

The HSS tip provides sufficient hardness for machining stainless steel and other challenging alloys under moderate cutting conditions. Always use appropriate speeds, feeds, and coolant for best results.

How should I maintain this tool bit?

Keep the cutting edge clean and free of chips. Store in a dry, protective container to prevent rust. Dressing or sharpening may be required after prolonged use to restore edge geometry.

What does IMPA 633061 mean?

IMPA 633061 is the ship stores classification code for this cutting tool, used by ship chandlers and procurement officers to identify and order the correct tool for maritime applications.

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