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Bolt Cartridge Heaters, Bolt HeatersBolt Heaters for Industry
Bolt heaters are used to tighten large bolts that secure heavy machinery and equipment. The shaft of the heater is inserted into the hollow bolt and energized to expand it, which allows further tightening of the nut. Manufactured with a high watt density, they heat up in just a few minutes, resulting in cost savings on reduced man hours removing nuts from bolts and studs. Large bolts can be heated to full expansion in just a few minutes. This heater design is manufactured with specific diameter sheaths to fit industry standard hollow bolts. High watt densities with special heated lengths distribute heat evenly to surrounding bolt.
Features:
Specifications: The hole diameter should be as close to heater diameter as possible, but within approximately 1/16" (.062) clearance for insertion applications. Close tolerance permits maximum heat transfer and prolonged heater life.
Additional Options: Typical sizes for electric bolt heaters include: .250", .375", .438", .500", .550", .688", .781", .813", .938", 1", and 1.250". If you do not see the size you need here, contact us and we will make it for you.
Applications:
Bolt Cartridge Heaters Selection Guide The key questions which need to be answered before selecting a cartridge heater for your application are:
How To Order Cartridge Heaters |
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