What arrow spine for 60 lb draw at a 28 inch arrow
The starting spine for a 60 lb draw at a 28 inch arrow with a 100 grain point, and the weight floor.
Dry-fire warning
Crossbow bolt data and archery arrow spine, nock and thread data are quoted from each manufacturer's published figures, owner documentation and industry standards, cited on every page. A nock, spine or grain-weight mismatch can cause a dry-fire that damages the bow and can injure the shooter. Confirm against your own owner's manual and the arrow maker's own chart before shooting, and never drop below the stated minimum total weight.
| Draw weight | 60 lb |
|---|---|
| Arrow length | 28 in (cut, nock groove to shaft end) |
| Point weight | 100 gr |
| Recommended spine | 400 (published band 340-400) |
| Minimum total weight | 300 gr, from the 5-grains-per-pound floor |
Easton 5mm Axis carbon arrow shaft (400 spine)
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A 60 lb bow with a 28 inch arrow and a 100 grain point falls in the 340 to 400 band; the moderate draw and short cut place it at 400. A heavier point or longer arrow moves it toward 340.
Spine is a starting point, not a guarantee, because a 340 from one brand can differ from another. Confirm on your arrow maker's chart at 28 inches and 60 pounds, or bare-shaft test before cutting a dozen.
Whatever spine you land on, keep the finished arrow at or above 300 grains total, the 5-grains-per-pound floor, so the bow is not shooting dangerously light.
The rules behind this pick
Sources: Nock On Archery - Arrow Spine Chart: choosing the correct spine · Sportsman's Warehouse - Arrow Spine Charts: Compound, Recurve and Traditional