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The Easton 6.5mm Hunter Classic in a 400 spine: 8.4 grains per inch,.246 in bore, the 6.5mm Microlite nock (8 gr) it takes and the 8-32 thread. Suits a medium draw of roughly 45 to 65 lb. Sourced.

Updated 05 September 2026.

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Easton 6.5mm Hunter Classic in a 400 spine: GPI, bore and nock

The 400 spine of the Easton 6.5mm Hunter Classic: its exact GPI, the nock and thread it takes, and the draw it suits.

The Easton 6.5mm Hunter Classic in a 400 spine weighs 8.4 grains per inch and suits a medium draw of roughly 45 to 65 lb. It takes the 6.5mm Microlite nock (8 gr) its.246 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 6.5mm Hunter Classic
BrandEaston
Spine400
Outside diameter.294 in OD
Weight8.4 GPI
Grains per inch8.4 GPI
Inside diameter.246 in
Stock nock6.5mm Microlite nock (8 gr)
Stock insert6.5mm Hunter Classic insert (23 gr, 5/16 field points)
Point thread8-32
Straightness+/-.003 in
Suitsa medium draw of roughly 45 to 65 lb
The shaft

Easton 6.5mm Hunter Classic carbon arrow shaft (400 spine)

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Field notes

This is the 400 spine of the Easton 6.5mm Hunter Classic, a 6.5mm class (.246 in ID) shaft with a.246 in inside diameter. In this spine it weighs 8.4 grains per inch and measures.294 in OD across. A 400 spine sits at the mid range, the most common hunting-weight compound band.

Because the bore is.246 in, it takes the 6.5mm Microlite nock (8 gr) and the 6.5mm Hunter Classic insert (23 gr, 5/16 field points), and it threads to the 8-32. Those do not change with spine; only the GPI and outside diameter move across the table.

Spine is a starting point, not a guarantee: a 400 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 6.5mm Hunter Classicthe full shaft spec (250, 300, 340, 400, 500)Easton 6.5mm Hunter Classic 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.246 in shaftThe 5-grains-per-pound floorkeep the finished arrow heavy enoughGold Tip Hunter Pro (GTO)another Gold Tip shaft

Questions and answers

What is the model of the Easton 6.5mm Hunter Classic in a 400 spine?

Easton 6.5mm Hunter Classic

What is the brand of the Easton 6.5mm Hunter Classic in a 400 spine?

Easton

What is the spine of the Easton 6.5mm Hunter Classic in a 400 spine?

400

What is the outside diameter of the Easton 6.5mm Hunter Classic in a 400 spine?

.294 in OD