Metric Size, Stainless Steel
Threaded Plugs
GN 252.5
GN 252.5

RoHS Compliant
GN 252.5 GN 252.5
Specification
Information

Body: Stainless steel, European Standard No. 1.4305 (American Standard Series 303) 
Type A - Without thread coating
Type PRB - With thread coating (polyamide overall thread coating)

Threaded plugs can be used as a spring retention unit as shown above or as a plug to keep debris from entering into a critical threaded area.
The PRB thread coating (polyamide overall thread coating) acts as a clamping lock, preventing the locking screw from inadvertently being loosened and becoming detached.
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HERE

Dimensions in:

millimeters
(inches)

Part Number d
Thread
h A/F
Type A Type PRB
252.5-M12X1.5-A
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252.5-M12X1.5-PRB
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M12 x 1.5 10
(.39)
6
(.24)
252.5-M16X1.5-A
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252.5-M16X1.5-PRB
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M16 x 1.5 10
(.39)
8
(.31)
252.5-M20X1.5-A
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252.5-M20X1.5-PRB
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M20 x 1.5 12
(.47)
10
(.39)
252.5-M24X1.5-A
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252.5-M24X1.5-PRB
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M24 x 1.5 12
(.47)
14
(.55)
252.5-M27X1.5-A
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252.5-M27X1.5-PRB
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M27 x 1.5 12
(.47)
14
(.55)