Chasers / Dies for Oster threading machines

oster style chasers dies

Symbol X1 Pipe | Symbol X1 Bolt | Symbol 8R | Symbol 8T | Symbol 77 | Symbol 784 | Symbol 8T | Quad Pipe | Quad Bolt | Symbol 300 Pipe | Symbol 300 Bolt | Symbol 74 Pipe | Symbol 74 Bolt | Symbol 704 | Symbol 44 |

 

 

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SYMBOL X-1 PIPE DIES - HIGH SPEED STEEL
Type  1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
NPT  OST.13000 OST.13003 OST.13006 OST.13009 OST.13012 OST.13015 OST.13018 OST.13021 OST.13024
NPT Stainless  OST.13002 OST.13005 OST.13008 OST.13011 OST.13014 OST.13017 OST.13020 OST.13023 OST.13026
NPSM  OST.13001 OST.13004 OST.13007 OST.13010 OST.13013 OST.13016 OST.13019 OST.13022 OST.13025

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X-1 BOLT DIES - HIGH SPEED STEEL
Type 1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 3/4"
NC OST.13200 OST.13202 OST.13204 OST.13206 OST.13208 OST.13210 OST.13212 OST.13214
Stainless na na OST.13205 na OST.13209 na OST.13213 OST.13215
NC-LH na na OST.13302 na OST.13304 na OST.13306 OST.13307
NF OST.13400 OST.13402 OST.13404 OST.13406 OST.13408 OST.13410 OST.13412 OST.13414

X-1 BOLT DIES - HIGH SPEED STEEL
Type 7/8" 1" 1 1/8" 1 1/4" 1 3/8" 1 1/2" 1 3/4" 2"
NC OST.13216 OST.13218 OST.13220 OST.13222 OST.13224 OST.13226 OST.13228 OST.13230
Stainless OST.13217 OST.13219 OST.13221 na OST.13225 OST.13227 na na
NC-LH OST.13308 OST.13309 na OST.13311 OST.13312 OST.13313 OST.13314 OST.13315
NF OST.13416 OST.13419 OST.13421 OST.13423 OST.13426 OST.13427 na na

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SYMBOL -8R
   
8R PIPE DIES - HIGH SPEED STEEL 
Standard 2 1/2"-8"
NPT OST.14425
NPT Stainless OST.14426

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SYMBOL-8T
   
8T PIPE DIES - HIGH SPEED STEEL 
Standard 2 1/2"-8"
NPT OST.14561
   

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SYMBOL - 77
     
77 PIPE DIES - HIGH SPEED STEEL   
Standard 2 1/2"-3" 3 1/2"-4"
NPT OST.14800 OST.14801

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SYMBOL - 784
784 PIPE DIES - HIGH SPEED STEEL
Type  2 1/2" 3" 3 1/2" 4"
NPT  OST.16000 OST.16003 OST.16006 OST.16009

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QUAD PIPE DIES - HIGH SPEED STEEL
Standard  1/8"  1/4"-3/8"  1/2"-3/4"  1" - 2"
NPT  OST.11000  OST.11003  OST.11006  OST.11009
NPSM  OST.11001  OST.11004  OST.11007  OST.11010
BSPT  OST.11100  OST.11101  OST.11102  OST.11103
NPT Stainless  OST.11002  OST.11005  OST.11008  OST.11011
NPT PVC  OST.11019  OST.11020  OST.11017  OST.11013
NPT BRASS  na  OST.11039  OST.11041  OST.11032

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QUAD BOLT DIES - HIGH SPEED STEEL
Type 1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 3/4"
NC OST.11200 OST.11201 OST.11202 OST.11203 OST.11204 OST.11205 OST.11206 OST.11207
NF OST.11300 OST.11301 OST.11302 OST.11303 OST.11304 OST.11305 OST.11306 OST.11307

QUAD BOLT DIES - HIGH SPEED STEEL
Type 7/8" 1" 1-1/8" 1-1/4" 1-3/8" 1-1/2" 1-3/4" 2"
NC OST.11208 OST.11209 OST.11210 OST.11211 OST.11212 OST.11213 OST.11214 OST.11215
NF OST.11308 OST.11309 OST.11310 OST.11311 OST.11312 OST.11313 na na

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SYMBOL - 300
Standard  1/8"  1/4"-3/8-"  1/2"-3/4"  1"- 1-1/4"  1-1/2" - 2"
NPT  OST.12000  OST.12004  OST.12009  OST.12015  OST.12020
NPSM  na  OST.12005  OST.12010  OST.12016  OST.12021
BSPT  na  OST.12103  OST.12106  OST.12109  OST.12112

 

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SYMBOL 300 BOLT DIES - HIGH SPEED STEEL
Type 1/4" 5/16' 3/8" 7/16" 1/2" 9/16" 5/8" 3/4"
NC OST.12200 OST.12201 OST.12202 OST.12203 OST.12204 OST.12205 OST.12206 OST.12207
NC-LH OST.12300 OST.12318 OST.12302 OST.12301 OST.12303 OST.12314 OST.12304 OST.12305
NF OST.12400 OST.12401 OST.12402 OST.12403 OST.12404 OST.12405 OST.12406 OST.12407

SYMBOL 300 BOLT DIES - HIGH SPEED STEEL
Type 7/8" 1" 1-1/8" 1-1/4" 1-3/8" 1-1/2" 1-3/4" 2"
NC OST.12208 OST.12209 OST.12210 OST.12211 OST.12212 OST.12213 OST.12214 OST.12215
NC-LH OST.12306 OST.12307 OST.12308 OST.12309 OST.12310 OST.12311 OST.12312 OST.12313
NF OST.12408 OST.12410 OST.12411 OST.12412 OST.12413 OST.12414 na na

 

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74 PIPE DIES - HIGH SPEED STEEL
Type 2-1/2"-4"
NPT OST.14600
NPT STAINLESS OST.14602

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74 BOLT DIES - HIGH SPEED
Type 2-1/4" 2-1/2" 2-3/4" 3"
NC OST.14700 OST.14701 OST.14702 OST.14703

 

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704-6 PIPE DIES - HIGH SPEED STEEL
Type 1" - 2" 2-1/2"-6"
NPT OST.17000 OST.17002
NPT STAINLESS OST.17005 OST.17003

 

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44 PIPE DIES - HIGH SPEED STEEL
Type 2-1/2" 3" 3-1/2" 4"
NPT OST.10301 OST.10302 OST.10303 OST.10304

link to comprehensive list of Oster threading machines indicating which Symbol die is used in each machine

 

July 2022, October 2020, updated February 2020, December 2018, January 2012, July 2010 CSS, January 2009, Oct 2007, March 2006

The descriptions, illustrations, specifications, dimensions, and part numbers are subject to change without notice.

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