3.8mm Slotted Tungsten Beads for Fly Tying – Premium Weight for Large Rivers and Heavy Nymphs
Our 3.8mm slotted tungsten beads, made from 97% pure tungsten, are the perfect choice for tying heavy nymphs designed for large rivers and fast currents. These beads add the extra weight needed to ensure your flies reach the bottom quickly, making them ideal for targeting fish in deep, fast-moving water. Designed for use with Euro nymphs, these beads are the go-to choice for fly tyers who demand high-quality materials to enhance their fishing success.
Suited for hooks in sizes #10 and #12, the 3.8mm size provides maximum sink rate, helping your flies get to the strike zone faster and stay there longer. The slotted design ensures easy and secure placement on jig hooks, improving balance and control in the water. Each pack contains 25 premium slotted tungsten beads, making them an essential component for any fly tyer’s kit.
Key Features:
- Larger size (3.8mm), ideal for heavy nymphs and fishing in large rivers with strong currents
- Best used with hooks #10 and #12, providing the weight needed for deep presentations
- Slotted design for a perfect fit on jig hooks, improving fly presentation and balance
- Durable anodized and painted finishes ensure long-lasting use in challenging conditions
- Made from 97% pure tungsten, delivering superior density and sink rate
- Each pack contains 25 premium slotted tungsten beads, ideal for serious fly tyers who need the best materials for Euro nymphing and fly tying
Matching the slotted bead with the jig hook Demmon ST 320 BL as reference:
| Bead Diameter in mm | ST 320 #6 | ST 320 #8 | ST 320 #10 | ST 320 #12 | ST 320 #14 | ST 320 #16 | ST 320 Size #18 | ST 320 Size #20 | |
| 2mm | No | No | No | No | No | Yes | Yes | Yes | |
| 2.5mm | No | No | No | No | Yes | Yes | Yes | Yes | |
| 2.8mm | No | No | No | No | Yes | Yes | Yes | Yes | |
| 3mm | No | No | Yes | Yes | Yes | yes | Yes | Yes | |
| 3.3mm | No | No | Yes | Yes | Yes | Yes | At limit | No | |
| 3.5mm | No | Yes | Yes | Yes | Yes | Yes | Yes | No | |
| 4mm | Yes | Yes | Yes | Yes | Yes | At limit | No | No | |
| 4.6mm | Yes | Yes | Yes | At limit | No | No | No | No | |
| 5.5mm | Yes | Yes | Yes | No | No | No | No | No |
Tungsten Weight Cart:
| Bead Diameter in mm | Weight /bead in grams | |
| 2mm | 0.06 | |
| 2.5mm | 0.12 | |
| 2.8mm | 0.16 | |
| 3mm | 0.20 | |
| 3.3mm | 0.30 | |
| 3.5mm | 0.32 | |
| 4mm | 0.48 | |
| 4.6mm | 0.73 | |
| 5.5mm | 1.25 |
