Precision Tiller Bolts
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Introducing Precision Tiller Bolts!

After recognizing the industry trend of less-than-ideal tolerances in limb-to-tiller bolt interfaces, we decided to create a higher quality and more precisely machined tiller bolt to enhance your bow tuning experience.

Our tiller bolts are designed to ensure consistent limb alignment, leading to improved accuracy and tighter groups downrange. Crafted with precision machining to .001" tolerances, our .375" bolts measure .374-.375", and our .380" bolts measure .379-.380", guaranteed!

Experience easier and more consistent tuning with laser-engraved indicators on each bolt. Built to last, our tiller bolts are constructed with durable stainless steel material. Each bolt weighs 44 grams (1.56 oz).

Proudly machined, etched, and packaged in the USA or Austria, supporting our local economies. We are committed to providing you with the highest quality products while contributing to our communities.

Riser Fitment Details


  • For 2009+ risers, together with trad and hunting risers including but not limited to; GMX, Excel, Horizon, Horizon Pro, Epik, Arcos, Xceed, Alero, Xact, GPX, Formula RX, Formula HPX, Formula Ion-X, Formula Faktor, Formula X, Formula Xi, Formula Prodigy, Formula Prodigy XT, Formula XD, Formula Excel, Formula Faktor HP, Satori, Buffalo, Tiburon 
  • Does not include locking set screws. If your bow uses collet style bolts you will need to order Hoyt Tiller Bolt Set Screws

Enhance your archery performance with Precision Tiller Bolts, trusted by archers for consistent performance and accuracy. Order now and take your bow tuning to the next level!

Win&Win | Sebastien Flute

  • Includes a new locking set screw
  • For A&B type risers that use M13x1.25 threaded tiller bolt including but not limited to; INNO AXT, INNO AL1, Winex, Winact-VT, META DX, RADICAL PRO, ATF, ATF-X, ATD-DX, TFT, TFT-G, CX7 WINEX, CXT (with M13x1.25 thread, apparently some come with larger tiller bolts!)
  • Also Fits Sebastien Flute NEO, EVO, ISO PRO, Ascent and Newtron risers
  • Does not fit INNO Max, INNO CXT, RCX-100, Rapido, SF Forged Plus, SF Axiom+L, SF Axiom Plus Light, SF Axiom, and SF Premium Plus risers (these use C type bolts and use M12x1.25 Thread)

What Size Do You Need?

If you measure the inside diameter of the base (fork/butt) of the limb where the Tiller Bolt goes with a set of calipers, find the smallest measurement possible inside the base of the limbs and order sizes accordingly;

  • Order .375" bolt for any limb measuring .376" or under
  • Order .380" bolt for any limb measuring .377" and over

For detailed info on how to measure your limbs, follow this tutorial

*Note that tiller bolts cannot be exchanged for other sizes if there are signs of wear or damage resulting from return shipment, buyer to pay for return and new shipment for exchanges.

69.99 69.99 USD 69.99

1.00 €

Not Available For Sale

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Riser Compatibility Hoyt or Win & Win or Sebastien Flute
Size .375" or .380"
Color Silver or Black