In applications requiring resistance to a pulling force, TT Spring custom produces extension springs of any length, end type, and degree of tension. We produce extension springs custom designed to produce the desired return force at any spring position by offering: • Hooks ends: machine, extended, over-center, swivel • Loop ends: full loops and double twisted

Specifications
Wire Diameter |
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Hooks |
Extended |
Machine |
Over-Center |
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Loops |
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Full loops |
Material |
Carbon Steel |
Music wire |
Hard Drawn |
Oil-tempered |
17-7 Stainless Steel |
316 Stainless Steel |
302/304 Stainless Steel |
Titanium |
Inconel |
Chrome Silicon |
Coating |
Black Oxide |
Powder Coating (any color) |
Plating |
Zinc |
Cadmium |
Tin |
Silver |
Gold |
All Precious Metals |
Process Information
Stress Relief |
All springs are stress relieved per material specification. |
Quality Control |
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¡¤ Mandatory 1st Article check process | |
¡¤ When requested, the 1st Article check can be approved by the customer. |
¡¤ Statistical Process Control measures | |
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¡¤ Rockwell testing |
Engineering Services |
Based on application requirements, the Engineering Department advises and creates designs for any custom product. |
Industries |
¡¤ Aerospace |
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¡¤ Government and Defense | |
¡¤ Energy & Utilities | |