Redding Titanium Nitride Neck Bushings are a hand polished heat treated steel insert which have an additional Titanium Nitride surface treatment to further increase hardness and reduce friction when neck sizing. The Titanium Nitride Bushings have an external diameter of 12.7mm OD x 9.525mm long (1/2 O.D. x 3/8 long) and freely interchange in all Redding Bushing style Neck Sizing Dies. They are available in .001 size increments.
To determine your bushing size, measure the outside diameter of your cartridge neck with a bullet seated. Subtract .001 from that measurement to get your bushing size. By selecting the correct bushing, you are now able to provide just the right amount of neck tension to properly hold the bullet without excessive resizing.
For more information seeRedding Tech Tips Choosing Bushing for Type S Dies
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