Sizes are held within 0005 t i r.
Extra thin wall drill bushings.
Standard wall 8261 thin wall 2273 measurement system decimal inch 326 fractional inch 4248 letter 1390 metric 1758 wire 2812 inside dia.
Thin wall bushings are designated in preference to the p type headless press fit drill bushing when space on the jig is limited.
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Thin wall drill bushings allow for closer hole spacing.
These bushings are also used for applications where holes are close together.
Wall thickness w must fall within the range indicated.
Press fit drill bushings.
And type dgdb locking pin bushings.
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Thin wall bushings take up minimal space and can be placed close together.
Standard wall drill bushings have thick walls for strength.
Thinwall bushings as their name implies are drill bushings made with a very thin wall figure 10 50.
The standard technical specifications will be as follows.
One note of caution.
The headless press fit thin wall drill bushing or ptw type have all the features of the p type bushing but with the extra feature of a thin wall.
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Press fit bushings are permanently pressed into a jig plate and are generally used in single operation drilling or reaming.
Since the wall thickness is quite thin these bushings will tend to follow the shape of the mounting hole.
Choose from our selection of press fit drill bushings made to order press fit drill bushings light duty sleeve bushings and more.
All products made to ansi specifications unless otherwise specified.
Bushings with i d s of 1 8 to 1 are ground to give a uniform wall thickness within 0003 t i r.
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Extra thinwall bushings type xtw xtw bushings are lapped honed or ground in the i d.
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They improve accuracy so that your drilled holes and cuts are consistent from part to part.
This type of drill bushing is most commonly used for large batch production and continuous use.
Also known to some as a master bushing liner drill bushings are permanently attached to a jig body.
Thin walled bushings inch and metric gun drill bushings liners type gdl.
Inserts type gdi.
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