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Opening up Boltface
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Erik Fryman
one of us
posted
I need to open up my Win Mod 70 bolt to fit the 358 Norma Mag. (.531). Do I need to open the boltface to the exact rim diameter or a little larger?.
 
Posts: 355 | Location: Anchorage, Alaska | Registered: 09 November 2001Reply With Quote
Saeed
Administrator
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efryman,

Slightly larger.

------------------
saeed@ emirates.net.ae

www.accuratereloading.com

 
Posts: 69275 | Location: Dubai, UAE | Registered: 08 January 1998Reply With Quote
Erik Fryman
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Thanks Saeed,

How much larger?

 
Posts: 355 | Location: Anchorage, Alaska | Registered: 09 November 2001Reply With Quote
z1r
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Picture of z1r
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Up to .538".

-Mike

 
Posts: 4865 | Location: Lakewood, CO | Registered: 07 February 2002Reply With Quote
<Caledonian>
posted
Dave Manson Reamers have bolt squaring burrs which should do this joh, although you should check with them. The diameter they use for the magnum case head is .537in., and although it's expensive ($60), you might well find it useful for other projects, or find somebody to share it. I've never used these, but I've found Dave Manson extremely efficient and helpful for reamers.

http://www.mansonreamers.com

 
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<Sparticus>
posted
also, they are carbide and with proper use will last a long time. [Smile]
 
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