| ° |
Degree |
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| 1/E |
One end of the extrusion |
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| 1T |
One T-slot |
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| A |
Anodized part with No Hardware |
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| AFCB |
Anchor Fastener Counterbore |
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| AH |
Access Hole |
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| B/E |
Both Ends of extrusion |
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| BE |
Beveled Edge |
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| CB |
Counter Bores for other uses than Anchor Fasteners |
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| Ø |
Diameter |
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| DIM |
Dimensional Issue |
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| DM |
Die or Drag Marks |
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| HT |
Hole Tolerance Issue |
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| ID |
Inside Diameter |
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| L |
Lite, lighterweight extrusion series |
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| MC |
Mitre Cut |
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| MF |
Mill Finish, non-anodized surface |
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| MOD |
Modified, a standard part with non-stock modifications |
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| N |
New, a new factory-quality part |
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| OD |
Outside Diameter |
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| Oily |
Machine oil on extrusion or part |
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| S |
Surplus, as opposed to factory-new, but in excellent condition |
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| SC |
Surface scratches on extrusion or part finish |
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| SSCE |
Sharp Saw Cut Edges |
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| Tap |
One or more Taps on extrusion or part |
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| TF |
Tumble Finish, smoothed edges with finish similar to galvanized steel |
| TH |
Thru Hole, a hole drilled through the extrusion or part |
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| UN |
Unfinished, a machined part with MF and SSCE |
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| Used |
Used but 100% functional part or extrusion |
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