Neck Turning Tool - Big Boy Model A - Adjustable
The PMA Neck Turning Tool just got a big brother.
The Big Boy as per it's little brother is the best neck turner available today. You know why you need or want to neck turn, but with so many different models on the market, which do you choose? The factors determining your choice of neck turning tools essentially boils down to three key demands; ease and repeatability of adjustment, the comfort of use and cut finish. This tool absolutely satisfies these demands.
The larger size perfect for turning those larger calibres from 35 to 50cal.
The PMA neck turning tool does not use a course or fine drive screw to move the cutter towards or away from the mandrel. We don’t utilize an unnecessary micrometer or dial indicator. Nor do we rotate the mandrel on an eccentric which changes the center of the cut and has inconsistent adjustment. Our Model A simply adjusts by moving the mandrel toward or away from the stationary cutter with VERY minimal backlash. The Model A utilizes a super-fine 80TPI drive screw giving you .0002” adjustment between each mark, the marks have ample space between them allowing you to make adjustments as fine as .0001”.
This tool takes all of the standard carbide cutters including:
17.5˚, 20˚, 21.5˚, 23˚, 25˚, 28˚, 30˚, 35˚, 40˚
Common sizes are:
15˚44' for 50BMG
22˚ for 375 and 408 Cheytac
35˚ for 375 Snipetac
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