Description
TU21315 — 2.126″ OD x 0.315″ wall DOM steel tube, sold by foot. Heavy wall-to-diameter ratio suited for stub shaft blanks and specialty machined drivetrain parts.
TU21315 is 2.126" OD x 0.315" wall DOM steel tube -- a wall thickness that is unusually heavy relative to the tube OD. At these proportions, this is not standard driveshaft tube stock. The 0.315" wall leaves an inside diameter of approximately 1.496" (2.126 - 2x0.315), which is consistent with tube stock used to machine stub shafts, yoke blanks, or other solid-section drivetrain components rather than hollow driveshaft tubes.
Applications requiring this heavy a wall-to-OD ratio include:
- Stub shaft blanks machined to a specific spline or journal dimension
- Sleeve stock for custom U-joint or coupling interfaces
- High-stress intermediate shaft sections in multi-piece assemblies
DOM construction is specified for consistent ID and OD tolerances, which reduces material removal during finish machining to achieve target dimensions.
| Attribute | Value |
|---|---|
| OD | 2.126" |
| Wall | 0.315" |
| Approx ID | 1.496" |
| Sold | By foot |
See stub and midship shaft components for related parts.
| Brand | UDS |
|---|---|
| Material | STEEL |
| Notes | SOLD BY FOOT – DOM |
| Tube length | 2″ |
| Tube wall | 0.315″ |
| Tube dia | 2.126″ |
| Partn number | TU21315 |
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