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 Bag of Grub Screws - What are they for?
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 Return to top of page · Post #: 1 · Written at 12:02:13 PM on 9 April 2016.
Cpsmusic's Gravatar
 Cpsmusic
 Location: Melbourne, VIC
 Member since 18 February 2014
 Member #: 1507
 Postcount: 53

Hi Folks,

Still clearing out my late-Father's workshop. I came across a bag of grub screws - just wondering what they were used for?

See here:

http://tinypic.com/r/2ciehoy/9

Cheers!
 
 Return to top of page · Post #: 2 · Written at 12:31:38 PM on 9 April 2016.
Robbbert's avatar
 Robbbert
 Location: Hill Top, NSW
 Member since 18 September 2015
 Member #: 1801
 Postcount: 2078

They look like ferrite core adjusters.
 
 Return to top of page · Post #: 3 · Written at 3:32:03 PM on 9 April 2016.
GTC's avatar
 GTC
 Location: Sydney, NSW
 Member since 28 January 2011
 Member #: 823
 Postcount: 6761

Yep, ferrite adjusters. They go in cores like these: http://www.piclist.com/images/www/hobby_elec/picture/coil1.jpg
 
 Return to top of page · Post #: 4 · Written at 6:11:21 AM on 10 April 2016.
Wa2ise's avatar
 Wa2ise
 Location: Oradell, US
 Member since 2 April 2010
 Member #: 643
 Postcount: 831

Cores like those were also used in IF transformers in tube radios.
 
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