Harrows Tristar Thunderbolt 90% Tungsten 18 grams
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Harrows Tristar Thunderbolt 90% Tungsten 18 grams

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Brand: Harrows
Item #: 16773
Package: 3 Darts per Set
Shipping Weight: 0.3 Lbs


Harrows Thunderbolt darts have the largest diameter barrel in the Tristar series making an imposing profile, with a variety of grip patterns.  At 18 grams (throwing weight 19.8 grams), the Thuderbolt is the most popular weight option in the Tristar series.  A dominant rear grip zone, made up of staggering shark cuts, combines with the traditional square cuts in the center of the barrel, culminating in a perfectly balanced dart.  The darts are matched to +/- 0.005 grams and fitted with Clear Midi Supergrip shafts, quality Pro Tips, Prime flights and are presented in Harrow's stylish, new Aero Header display carton.


  • Match Weight (Dart to Dart): +/- 0.05 grams
  • Barrel Color (3): Silver.

Barrel & Tip Specifications:

  • Material: 90% Tungsten
  • Barrel Weight (barrel only) (1): 18 grams
  • Length (2): 40 mm
  • Max Diameter (2): 7.4 mm
  • Min Diameter (2):  6.5 mm
  • Grip (4): Radial Grooves & Shark Skins
  • Thread Size: 2ba
  • Points/Tips: Pro Tips 

What’s Included (5)

  • 3 Darts
  • Flights: 3 Flights (1 set)  (Custom - Standard)
  • Shafts: 3 Shafts ( 1 set)  (Super Grip - Midi)
  • Soft Tips: 3 Tips  (1 set)

Warranty (4):  Lifetime on barrel breakage only, return to manufacturer.  Does not include tip breakage.


  1. Barrel weights are specified by the manufacturers, barrel and tip only. Full weights are dependent on the accessories (flights, shafts, etc.) supplied with the dart and not guaranteed,
  2. Barrel lengths and diameters are measured and rounded to the nearest millimeter. The measurements are subject to change, by the manufacturer, without notice,
  3. Some Manufacturers warrant their darts against fractures and breakage. However, coatings are NOT guaranteed (this includes titanium, graphics or any type of paint on the barrel),
  4. There are no industry standards for barrel grip. Numbers shown are subjective from the manufacturer.,
  5. The dart set ordered should match the barrel pictured. All other components (flights, shafts and tips) may vary in color, design and length,
  6. Please call (800) 345-6519 with questions concerning the darts and accessories


  • Choking Hazard - Children Under 3: This product is not suitable for ages under 3 years. It contains one or more of the following items marbles; small ball; or small parts.