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Rifles, Reloading, Optics, Equipment
Gunsmithing
Reducing Bolt Diameter
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<blockquote data-quote="ntsqd" data-source="post: 1756561" data-attributes="member: 93138"><p>When most everyone else is looking to tighten up the bolt to action fit I'm wondering why the OP wants to go in the opposite direction? Concern about function while dirty? Too tight & binds when clean now?</p><p></p><p>I too would look into having it ground, or doing as CNC guy suggests. It probably isn't so hard that grinding is the only option, but given the small dimensional change desired combined with its relative hardness choosing the right insert and then getting it to cut seems pretty risky.</p><p>In absence of having a tool post grinder my boss at the Vintage Touring/Race car shop (a Tool & Die guy by training) had an extended QC tool holder with a Makita die grinder hose clamped onto it that we used for ID and OD grinding when needed. Lest anyone scoff at the hose clamp, know that typically 4 of them are all that holds a Top Fuel Dragster or Funny Car engine in the chassis. Buy good ones like ABA.</p></blockquote><p></p>
[QUOTE="ntsqd, post: 1756561, member: 93138"] When most everyone else is looking to tighten up the bolt to action fit I'm wondering why the OP wants to go in the opposite direction? Concern about function while dirty? Too tight & binds when clean now? I too would look into having it ground, or doing as CNC guy suggests. It probably isn't so hard that grinding is the only option, but given the small dimensional change desired combined with its relative hardness choosing the right insert and then getting it to cut seems pretty risky. In absence of having a tool post grinder my boss at the Vintage Touring/Race car shop (a Tool & Die guy by training) had an extended QC tool holder with a Makita die grinder hose clamped onto it that we used for ID and OD grinding when needed. Lest anyone scoff at the hose clamp, know that typically 4 of them are all that holds a Top Fuel Dragster or Funny Car engine in the chassis. Buy good ones like ABA. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Reducing Bolt Diameter
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