Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

Galvanizing process for blind hole

SUGGESTED GALVANIZING BOOKS
for Engineers, Shops, Specifiers

"Hot Dip Galvanizing of Steel Structures" by Kuklik & Kudlacek (2016)
avail from eBay, AbeBooks, or Amazon

"Handbook of Hot Dip Galvanization" by Maass & Peissker (2011)
avail from eBay, AbeBooks, or Amazon

"Galvanized Steel Reinforcement in Concrete" by Stephen Yeomans (2004)
avail from eBay, AbeBooks, or Amazon

"Hot Dip Galvanizing -- A Guide to Process Selection & Galvanizing Practice" by M. J. Hornsby (1995)
avail from eBay, AbeBooks, or Amazon

"Faults in Hot-Dip Galvanizing" by Dietrich Horstmann (in English, French & German)
avail from Amazon

"User's Guide to Hot Dip Galvanizing for Corrosion Protection in Atmospheric Service" by NACE (1997 only rarely avail.)
avail from AbeBooks, or Amazon

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Our part: 1" round bar X 6.5" long with a blind hole (1/2-13) By 1.25 deep on one end.

I need this galvanized for corrosion purposes... How can we do this with out venting or drilling a hole through the complete part?
Todd Cardiff
- Hayward, California, USA

The type of product you are galvanizing has a couple of options, depending on the quantities you have. If there are not too many pieces involved, and the holes are already drilled & tapped, you can insert a bolt with high temp. anti-cease. Make sure the bolt is snug but not extremely tight. After dipping, the bolt can be simply removed. If you are manufacturing these parts regularly, I would look at drilling & tapping post galv.. The threads will normally not be galvanized on the i.d. anyway. The part is small enough to handle either way.

adv.
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