The ETBB15 is an angled tungsten bucking bar for backing rivets on sloped or stepped faces a square bar cannot meet flat. At 2.1 lb and 4 by 1 by 1 inches, it brings the backing mass of a much larger steel bar to the rivet, so shop heads form clean with less shock to your hand.
One end is cut at an angle so the working face meets a canted surface squarely while dense tungsten backs the rivet tail. At roughly 2.5 times the density of steel it delivers heavy backing from a slim bar.
- Dimensions: 4 by 1 by 1 in
- Weight: 2.1 lb (medium)
- Shape: Angled
- Best-fit access: sloped and canted surfaces
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Questions about this bar
What is the ETBB15 tungsten bucking bar used for?
The ETBB15 is an angled tungsten bucking bar for rivets in corners, flanges, and sloped structure, where the angled face tucks against the bucktail a square block cannot reach. Hold it firmly against the rivet tail so the shop head forms evenly.
How much does the ETBB15 bucking bar weigh and what size is it?
The ETBB15 weighs 2.1 lb and measures 4 by 1 by 1 inches. You buy a bucking bar by weight, and tungsten packs that weight into a far smaller block than steel.
Why is the ETBB15 made of tungsten instead of steel?
Tungsten alloy is about 2.5 times denser than steel, so the ETBB15 delivers the same bucking mass as a steel bar more than twice its size. The compact mass means better access in tight structure and less shock to your hand.
What is the closest ATS equivalent to the ETBB15?
The ETBB15 cross-references to ATS6007, sharing the 4 by 1 in face with an angled end. See the cross-reference page to confirm dimensions before ordering.
