Bottom Bracket Welding Heat Sink

Use these heat sinks to help you to increase the quality of your work and to increase the ease with which you produce that work.

Benefits:

• Easier to control heat on thin tubing welds
• Less distortion to tubing
• Your bottom bracket taps/facers will thank you and last longer
• Tool doubles as a backpurge location for argon gas

Specifications:

• Follows profile and internal relief of BB shell
• 1/8″ NPT female threads for argon purge connection
• 12mm wrench flats on internal shaft
• 24mm hex nut
• Bronze expander
• Stainless steel internal, washer, and hex nut