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The Easton 5mm Axis in a 500 spine: 8.1 grains per inch,.204 in bore, the Easton X nock (9 gr) it takes and the 8-32 thread. Suits a lighter draw of roughly 25 to 45 lb. Sourced.

Updated 05 September 2026.

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Easton 5mm Axis in a 500 spine: GPI, bore and nock

The 500 spine of the Easton 5mm Axis: its exact GPI, the nock and thread it takes, and the draw it suits.

The Easton 5mm Axis in a 500 spine weighs 8.1 grains per inch and suits a lighter draw of roughly 25 to 45 lb. It takes the Easton X nock (9 gr) its.204 in bore requires and the 8-32 point thread; confirm on the maker chart for your exact draw and length.
This spinemanufacturer data, cited
ModelEaston 5mm Axis
BrandEaston
Spine500
Weight8.1 GPI
Grains per inch8.1 GPI
Inside diameter.204 in
Stock nockEaston X nock (9 gr)
Stock insertEaston ST Axis HIT insert (16 gr)
Point thread8-32
Straightness+/-.003 in
Suitsa lighter draw of roughly 25 to 45 lb
The shaft

Easton 5mm Axis carbon arrow shaft (500 spine)

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Field notes

This is the 500 spine of the Easton 5mm Axis, a 5mm micro (.204 in ID) shaft with a.204 in inside diameter. In this spine it weighs 8.1 grains per inch. A 500 spine sits at the light band, for lower draw weights and youth-to-adult setups.

Because the bore is.204 in, it takes the Easton X nock (9 gr) and the Easton ST Axis HIT insert (16 gr), and it threads to the 8-32. Those do not change with spine; only the GPI move across the table.

Spine is a starting point, not a guarantee: a 500 from one brand can differ from another. Read your exact draw weight and arrow length on the maker chart or bare-shaft test before cutting a dozen, and keep the finished arrow above the 5-grains-per-pound floor.

Spec, chart, nock and concept

Easton 5mm Axisthe full shaft spec (260, 300, 340, 400, 500, 600, 700)Easton 5mm Axis spine chartwhich spine for your draw weightWhat an arrow spine number meanshow to read the deflection numberThe nock that fits this borepress-fit nock for the.204 in shaftThe 5-grains-per-pound floorkeep the finished arrow heavy enoughGold Tip Hunter XTanother Gold Tip shaft

Questions and answers

What is the model of the Easton 5mm Axis in a 500 spine?

Easton 5mm Axis

What is the brand of the Easton 5mm Axis in a 500 spine?

Easton

What is the spine of the Easton 5mm Axis in a 500 spine?

500

What is the weight of the Easton 5mm Axis in a 500 spine?

8.1 GPI