Concentricity Gauge « Daily Bulletin

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August 12th, 2011

Big Sale on Hornady Reloading Products at Grafs.com

Grafs.com is having a big sale on certain Hornady reloading products. The Lock N Load Auto Charge Scale/Powder Dispenser is now just $199.99, marked down from $224.99. Reports on this unit have been generally positive. This sale makes the Hornady scale/dispenser much less expensive than an RCBS Chargemaster, which typically sells for about $330.00.

Hornady Auto charge Dispenser Scale

Next, the price of the Hornady Lock N Load Ultrasonic Cleaning Machine has been knocked down to $84.99 from $99.99. That makes the machine cheaper than “no-name” alternatives sold on eBay. This is similar to the machine we used for our original ultrasonic cleaning tests. It should do the job, unless you have large quantities of brass, in which case we recommend the larger Hornady Magnum Sonic Cleaning Machine, which has twin transducers and a larger immersion bay.

Hornady Ultrasonic Cases Cleaner machine

Grafs.com has also slashed the price of the Hornady Concentricity Gauge from $94.99 to $79.99. This tool can measure bullet run-out, and it has the capacity to straighten bullet alignment in the neck. Be aware, however, that because this tool supports a cartridge at both ends (like holding the two ends of a jump-rope), you will typically get a different run-out reading than with a traditional tool, such as the Sinclair Concentricity Gauge, which supports the case body only (without touching the bullet tip). Both tool designs give meaningful results, but the read-outs will not normally be the same.

Hornady Concentricity Gauge

Hornady reloading manual Hornady Reloading Handbook $10.00 with Bullet Purchase
In addition to the tool sales, Grafs.com is now offering the lastest Hornady Reloading Handbook for just $10.00 if you purchase five (5) boxes of in-stock Hornady Bullets. If you could use the book, we recommend Hornady’s V-Max bullets for varmint hunters, and the new BTHP match bullets for target shooters. The new BTHP match bullets feature AMP (Advanced Manufacturing Process) jackets for greater dimensional uniformity.

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October 5th, 2010

H&H Concentricity Gauge and Bullet Straightener

In our feature article on Case Neck Tools we explained the importance of case neck uniformity and reviewed the best tools for measuring case neck thickness. But having uniform case neck walls is only part of the accuracy equation. You also want your cases to exhibit minimal run-out, as measured by a precision tool. For this reason, a quality concentricity gauge belongs on your loading bench if you are looking for the Nth degree of accuracy.

We’ve worked with quite a few concentricity gauges. They all have their strengths and weaknesses, but some just didn’t perform well at all with very short cases like the 6BR and 6PPC. One of our regular readers suggested we check out the H&H Concentricity Gauge, made by Bill Herron in Oregon. So far we are very impressed. A 6BR or PPC case doesn’t tip or rock, causing the needle to jump. We were able to get good, repeatable readings off a seated bullet, which wasn’t easy at all with some of the other units. Our friend agreed with our positive assessment of the H&H, saying: “I have four concentricity gauges. Among these tools, the H&H is the least expensive and the easiest to use of those designed for loaded round measurement AND bullet straightening. It is also built like a brick. However, the Sinclair is [probably] the best for looking at the case alone due to the bearing balls and their adjustability.”

The H&H uses an indicator block to eliminate off-center indicator readings. It will accept .22 PPC through .375 length cases. A reversible spindle acts as a pilot for checking neck thickness. Bill Herron says the unit can also re-align bullets, but we didn’t try out that capability. For more info, visit the H&H Industries website, or call Bill at (541) 327-1411.