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Slotted Locator Bushings - 178-00
Case Hardened and Ground - Black Oxide Finished

Slotted Locator Bushings for hard tooling. Use with “L” or “T” pins. Refer to the master round
press fit bushing section of our main catalog for a complete selection, used with the locator
bushings.
FEATURES & BENEFITS
• Cuts tool fabrication costs.
• Reduces loading & unloading time.
• Limits binding, pin breakage and shearing of holes due to slight misalignment.
• Perfect for use on high production tooling.
INSTALLATION
A. Drill and ream a 3/16 hole, 5mm for metric sizes, for the roll pin.
B. Bore mounting hole to provide minimum diametral interference, 0.0003 to 0.0005 inch,
 .0076 to 7 mm, is generally adequate.
C. Press slotted locator bushing and roll pin together until flush with top of plate. The roll pin
sets a precise alignment between slotted hole and layout axis.



Slotted Locator Bushings - 178-00



Inch

P/N A B C L
178-00 .1876 / .1882 .312 .7504 .400
178-05 .2501 / .2507 .375 .7504 .400
178-10 .2501 / .2507 .375 1.0004 .400
178-15 .3126 / .3132 .437 1.0004 .400
178-20 .3751 / .3757 .500 1.0004 .400
178-25 .5001 / .5007 .625 1.0004 .400
178-30 .5001 / .5007 .625 1.0004 .900
178-35 .6251 / .6257 .750 1.2504 .900
178-40 .7501 / .7510 .812 1.5004 1.000
178-45 .8751 / .8760 1.000 1.5004 1.000
178-50 1.0001 / 10010 1.062 1.5004 1.000
Metric

P/N A B C D
179-50
6.00 / 6.03mm .2363 / .2373
9mm 
.354
20mm 
.7874
9mm 
.354
179-55 8.00 / 8.03mm .3151 / .3161 11mm
.423
24mm
.9449
9mm 
.354
179-60 10.00 / 10.30mm .3938 / .3948 13mm
.512
24mm
.9449
9mm 
.354
179-65 12.00 / 12.30mm .4725 / .4735 15mm 
.591
24mm 
.9449
14mm 
.551
179-70 16.00 / 16.30mm .6300 / .6310 18mm 
.709
30mm 
1.1811
12mm 
.472
179-75 20.00 / 20.30mm .7875 / .7885 22mm 
.866
36mm 
1.4173
19mm 
.748
179-80 25.00 / 25.30mm .9844 / .9854 27mm 
1.063
40mm 
1.5748
19mm 
.748



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