Heavy tungsten bucking bars
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Tungsten Bucking Bar ETBB50 (Offset, 3.85 lb)
The ETBB50 is an offset stepped tungsten bucking bar for backing rivets across changing steps and lands in close structure. At 3.85 lb and 5.5 x 2.5 x 0.9 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. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote -
Tungsten Bucking Bar ETBB49 (Angled, 4.2 lb)
The ETBB49 is an angled-face tungsten bucking bar for rivets in corners, flanges, and sloped structure where a square block cannot sit flat. At 4.2 lb and 6.5 by 2 by 0.9 inches it packs the bucking mass of a much larger steel bar into a compact block, so shop heads form clean with less shock to your hand. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote -
Tungsten Bucking Bar ETBB48 (Offset, 3.25 lb)
The ETBB48 is an offset C-channel tungsten bucking bar for backing rivets along a raised edge or flange a flat bar cannot straddle. At 3.25 lb and 3 x 2.2 x 1.1 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. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote -
Tungsten Bucking Bar ETBB47 (Offset, 5.05 lb)
The ETBB47 is an offset stepped tungsten bucking bar for backing rivets in recessed or stepped structure a flat bar bottoms out against. At 5.05 lb and 5 x 2 x 2 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. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote -
Tungsten Bucking Bar ETBB46 (Straight, 4.2 lb)
The ETBB46 is a straight tungsten bucking bar for backing solid rivets on flat skin and open structure. At 4.2 lb and 6 by 1.1 by 1 inches it packs the bucking mass of a much larger steel bar into a compact block, so shop heads form clean with less shock to your hand. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote -
Tungsten Bucking Bar ETBB42 (Hook, 5.15 lb)
The ETBB42 is a hook tungsten bucking bar for reaching around structure to back rivets a flat bar cannot reach behind. At 5.15 lb and 6.3 x 3.7 x 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. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote -
Tungsten Bucking Bar ETBB41 (Angled, 3.25 lb)
The ETBB41 is an angled-face tungsten bucking bar for rivets in corners, flanges, and sloped structure where a square block cannot sit flat. At 3.25 lb and 4.1 by 1.8 by 0.87 inches it packs the bucking mass of a much larger steel bar into a compact block, so shop heads form clean with less shock to your hand. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote -
Tungsten Bucking Bar ETBB40 (Low-Profile, 3.05 lb)
The ETBB40 is a contoured saddle tungsten bucking bar for backing rivets along a curved skin, tube, or bead that a flat bar cannot follow. At 3.75 x 1.875 x 1 inches and 3.05 lb, 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. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote -
Tungsten Bucking Bar ETBB37 (Hook, 5.75 lb)
The ETBB37 is a hook (L or shoe) tungsten bucking bar that reaches around edges and into channels a block bar cannot enter. At 5.75 lb and 5 by 1.5 by 1.5 inches it packs the bucking mass of a much larger steel bar into a compact block, so shop heads form clean with less shock to your hand. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote -
Tungsten Bucking Bar ETBB35 (Straight, 3.1 lb)
The ETBB35 is a straight tungsten bucking bar for backing solid rivets on flat skin and open structure. At 3.1 lb and 3 by 1.25 by 1.25 inches it packs the bucking mass of a much larger steel bar into a compact block, so shop heads form clean with less shock to your hand. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote -
Tungsten Bucking Bar ETBB33 (Hook, 8.25 lb)
The ETBB33 is a long hook tungsten bucking bar for reaching deep into channels and box structure to back rivets far from an open edge. At 8.25 lb and 11 x 2.75 x 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. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote -
Tungsten Bucking Bar ETBB28 (Low-Profile, 3.15 lb)
The ETBB28 is a low-profile saddle tungsten bucking bar for backing rivets along a raised bead, tube, or curved feature. At 3.15 lb and 4 x 1.625 x 0.938 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. Request a quote for current pricing and lead time.
When this bar wears out, the tungsten still holds value: return it and the weight becomes a recovery credit toward your next order through our Buyback program.
Request a Quote
Compare these bars
| SKU | Dimensions (L x W x H, in) | Weight (lb) | Shape | Weight class | Access | ATS equivalent |
|---|---|---|---|---|---|---|
| ETBB05 | 4 x 1.5 x 1.5 | 5.65 | Straight | Heavy (3–6 lb) | Open | |
| ETBB08 | 6 x 1.5 x 1.5 | 6.0 | Offset | Extra-Heavy (6 lb+) | Open | |
| ETBB10 | 7.1 x 1.625 x 1.625 | 3.85 | Straight | Heavy (3–6 lb) | Open | |
| ETBB24 | 8.625 x 2.5 x 1.5 | 4.05 | Offset | Heavy (3–6 lb) | Tight / Confined | |
| ETBB25 | 3 x 1.75 x 1.438 | 3.15 | Offset | Heavy (3–6 lb) | Open | |
| ETBB28 | 4 x 1.625 x 0.938 | 3.15 | Low-Profile | Heavy (3–6 lb) | Open | |
| ETBB33 | 11 x 2.75 x 1 | 8.25 | Hook | Extra-Heavy (6 lb+) | Open | |
| ETBB35 | 3 x 1.25 x 1.25 | 3.1 | Straight | Heavy (3–6 lb) | Open | |
| ETBB37 | 5 x 1.5 x 1.5 | 5.75 | Hook | Heavy (3–6 lb) | Edges & Flanges | |
| ETBB40 | 3.75 x 1.875 x 1 | 3.05 | Low-Profile | Heavy (3–6 lb) | Open | |
| ETBB41 | 4.1 x 1.8 x 0.87 | 3.25 | Angled | Heavy (3–6 lb) | Edges & Flanges | |
| ETBB42 | 6.3 x 3.7 x 1 | 5.15 | Hook | Heavy (3–6 lb) | Open | |
| ETBB46 | 6 x 1.1 x 1 | 4.2 | Straight | Heavy (3–6 lb) | Open | |
| ETBB47 | 5 x 2 x 2 | 5.05 | Offset | Heavy (3–6 lb) | Open | |
| ETBB48 | 3 x 2.2 x 1.1 | 3.25 | Offset | Heavy (3–6 lb) | Open | |
| ETBB49 | 6.5 x 2 x 0.9 | 4.2 | Angled | Heavy (3–6 lb) | Edges & Flanges | |
| ETBB50 | 5.5 x 2.5 x 0.9 | 3.85 | Offset | Heavy (3–6 lb) | Open |
Heavy tungsten bucking bars (3 lb and up) put maximum bucking mass behind larger rivets and thicker structure. More mass keeps the bar planted under the gun, forming full heads with less bounce, up to 8.25 lb. Request a quote.