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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hexagonal Boron Nitride
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<blockquote data-quote="Pdvdh" data-source="post: 1105809" data-attributes="member: 4191"><p>Good to hear Ray, and glad your HBN bullets are looking better under your inspection, visual and otherwise. You caused me to question the use of any tumbling media, and I have pretty much concluded there should be no need for any pellets. Thanks for sharing your experience, because I have benefited from it. </p><p></p><p>The surface of the bullets that needs to be coated is the bearing surface, and that surface will be the primary surface impacting in the plastic container loaded solely with bullets, so the bearing surfaces should impact plate with HBN just fine. The boattails and the tapering points may not impact plate with HBN as well without my 1/8" stainless pellets, but those surfaces of the bullets don't contact the bore anyhow. So I have no concerns vibratory tumbling the bullets against themselves - solely.</p><p></p><p>Eliminating the stainless tumbling media from the plastic container also reduces the weight loading on the vibratory tumbler, which means the energy/vibration/impacts from the tumbler should be more efficient/effective in impact coating the HBN on the bearing surfaces of our bullets. I'm pretty sure David Tubbs came to realize this long ago, and that's why he doesn't use or sell stainless tumbling media. </p><p></p><p>I don't know where the pellets and tumbling media added to the bullets came from. I suspect folks felt it to be an improvement and it caught on and took hold. But how does one improve on the David Tubbs' method? He's been coating bullets with HBN and using them in competition for the past 10 years. That's a tough one to improve upon...</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1105809, member: 4191"] Good to hear Ray, and glad your HBN bullets are looking better under your inspection, visual and otherwise. You caused me to question the use of any tumbling media, and I have pretty much concluded there should be no need for any pellets. Thanks for sharing your experience, because I have benefited from it. The surface of the bullets that needs to be coated is the bearing surface, and that surface will be the primary surface impacting in the plastic container loaded solely with bullets, so the bearing surfaces should impact plate with HBN just fine. The boattails and the tapering points may not impact plate with HBN as well without my 1/8" stainless pellets, but those surfaces of the bullets don't contact the bore anyhow. So I have no concerns vibratory tumbling the bullets against themselves - solely. Eliminating the stainless tumbling media from the plastic container also reduces the weight loading on the vibratory tumbler, which means the energy/vibration/impacts from the tumbler should be more efficient/effective in impact coating the HBN on the bearing surfaces of our bullets. I'm pretty sure David Tubbs came to realize this long ago, and that's why he doesn't use or sell stainless tumbling media. I don't know where the pellets and tumbling media added to the bullets came from. I suspect folks felt it to be an improvement and it caught on and took hold. But how does one improve on the David Tubbs' method? He's been coating bullets with HBN and using them in competition for the past 10 years. That's a tough one to improve upon... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Hexagonal Boron Nitride
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