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Difference between revisions of "Stud Extractor"

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[[File:StudExtractors.png|200px|right]]
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__TOC__
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=====Description=====
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[https://en.wikipedia.org/wiki/Screw_extractor '''Stud Extractors'''] are tapered left-hand threads of different sizes made in [https://en.wikipedia.org/wiki/Hardened_steel hardened steel].
 
[https://en.wikipedia.org/wiki/Screw_extractor '''Stud Extractors'''] are tapered left-hand threads of different sizes made in [https://en.wikipedia.org/wiki/Hardened_steel hardened steel].
  
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=====Features and Applications=====
  
 
If a [http://wiki.dtonline.org/index.php/Nuts,_Bolts_and_Washers#Studs '''Stud'''], [http://wiki.dtonline.org/index.php/Nuts,_Bolts_and_Washers#Bolt_and_Screw_Head_Shapes '''Bolt'''] or [http://wiki.dtonline.org/index.php/Nuts,_Bolts_and_Washers#Bolt_and_Screw_Head_Shapes'''Machine Screw'''] is sheared off inside a threaded hole, it can sometimes be removed by drilling a pilot hole down its centre then screwing in an '''Extractor'''.
 
If a [http://wiki.dtonline.org/index.php/Nuts,_Bolts_and_Washers#Studs '''Stud'''], [http://wiki.dtonline.org/index.php/Nuts,_Bolts_and_Washers#Bolt_and_Screw_Head_Shapes '''Bolt'''] or [http://wiki.dtonline.org/index.php/Nuts,_Bolts_and_Washers#Bolt_and_Screw_Head_Shapes'''Machine Screw'''] is sheared off inside a threaded hole, it can sometimes be removed by drilling a pilot hole down its centre then screwing in an '''Extractor'''.
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Because they are left-handed, the '''Extractor''' will start to unscrew the broken [http://wiki.dtonline.org/index.php/Nuts,_Bolts_and_Washers#Studs '''Stud'''] as it tightens inside the pilot hole.
 
Because they are left-handed, the '''Extractor''' will start to unscrew the broken [http://wiki.dtonline.org/index.php/Nuts,_Bolts_and_Washers#Studs '''Stud'''] as it tightens inside the pilot hole.
  
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{{Threading Buyers Guide}}
  
 
[[Category:Threading Tools]]
 
[[Category:Threading Tools]]

Latest revision as of 18:17, 12 September 2016

StudExtractors.png


Description

Stud Extractors are tapered left-hand threads of different sizes made in hardened steel.


Features and Applications

If a Stud, Bolt or Machine Screw is sheared off inside a threaded hole, it can sometimes be removed by drilling a pilot hole down its centre then screwing in an Extractor.


Because they are left-handed, the Extractor will start to unscrew the broken Stud as it tightens inside the pilot hole.


DT Online Buyers' Guide
Metric Tap and Die Set BA Tap & Die Set BSF & BSW Tap & Die Set UNF Tap and Die Set BSP Tap and Die Set T-Handle Reversible Ratchet Tap Wrench Hexagon Die Nut Set Tailstock Dieholder Screw Thread Chasers Screw Remover and Extractor Set
Metric Tap and Die Set BA Tap & Die Set BSF & BSW Tap & Die Set UNF Tap and Die Set BSP Tap and Die Set T-Handle Reversible Ratchet Tap Wrench Hexagon Die Nut Set Tailstock Dieholder Screw Thread Chasers Screw Remover and Extractor Set