Get a ground one http://www.cencogrinding.com/drillblanks.html They can and do it.

Martin

Martin Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
NRA LOH & Endowment Member
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member


wrote:


Drill rod would be overkill and unecessarily expensive.
Cold rolled steel would be the material of choice here.

Ken.


Ken: I think you may have missed an important feature of the drill rod.
Cold rolled and plated steel has a pretty broad diameter tolerance and
may be very difficult to fit into bearings. The drill rod will be
tighter tolerance but probably .001-.002 oversize. What this fellow
needs is a short piece of C1065 TPG (turned, polished & ground)
available from many metal supply houses. Very stuff, very straight and
right on the correct diameter. Leigh @ MarMachine


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