Stainless 17-4 H900 Dowel Pins
Precipitation-hardened stainless in its highest-strength condition.
17-4 PH in the H900 condition is the choice when a stainless pin has to be strong rather than merely corrosion resistant. Precipitation hardening gives it strength approaching alloy steel while keeping usable corrosion performance, which suits instrument mechanisms and load-bearing locating pins. H900 is the highest-strength and least ductile of the aging conditions, so it favours shear duty over anything that wants to flex.
17-4 in H900 turns up when a designer has run out of room: the pin has to fit a hole that cannot grow, and a 303 or 316 pin at that diameter will not carry the shear. Because it is aged to strength rather than work-hardened, it holds its properties through the section rather than only at the surface.
Any size, not a series
There is no size list here because there is no catalogue: diameters run from 0.015" to 0.375", including sizes between two standard ones, and lengths from 0.02" to 4" — turned to order rather than cut down from a stock pin and re-finished. Pricing in Stainless 17-4 H900 starts at $3.53 per piece at 100 off, and falls further at higher volumes.
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